:root {
  --accent:#22d3ee; --accent-dark:#06b6d4; --accent-light:#e8f8fd; --accent-shadow:rgba(34,211,238,0.3); --accent2:#6366f1;
  --pink:#f472b6; --pink-light:#fce7f3; --purple:#a78bfa; --purple-light:#ede9fe;
  --green:#34d399; --green-light:#d1fae5; --yellow:#fbbf24; --yellow-light:#fef3c7;
  --red:#f87171; --red-light:#fee2e2;
  --bg:#ffffff; --sidebar:#ffffff; --card:#ffffff; --input-bg:#f8f9fb;
  --text:#1e293b; --text-muted:#94a3b8; --text-soft:#64748b; --border:#e8eef6;
  --shadow:0 2px 12px rgba(14,90,120,0.06); --radius:18px; --radius-sm:12px;
  --nav-active-text:#0891b2; --nav-active-bg:#e8f8fd; --nav-icon-bg:#f0f5fb;
}
body.dark {
  --accent:#a78bfa; --accent-dark:#7c3aed; --accent-light:#1e1433; --accent-shadow:rgba(167,139,250,0.25); --accent2:#818cf8;
  --pink:#f472b6; --pink-light:#2d1221; --purple:#c4b5fd; --purple-light:#1e1433;
  --green:#6ee7b7; --green-light:#052e16; --yellow:#fcd34d; --yellow-light:#1c1600;
  --red:#fca5a5; --red-light:#2d0e0e;
  --bg:#18181f; --sidebar:#18181f; --card:#18181f; --input-bg:#2a2a38;
  --text:#e8e8f0; --text-muted:#6b6b80; --text-soft:#9090a8; --border:#2e2e3e;
  --shadow:0 4px 28px rgba(0,0,0,0.45),0 1px 4px rgba(0,0,0,0.3);
  --nav-active-text:#c4b5fd; --nav-active-bg:#1e1433; --nav-icon-bg:#2a2240;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);transition:background .3s,color .3s;}

.links-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.logo-icon{width:36px;height:36px;border-radius:0;display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:visible;}
.logo-icon svg{width:36px;height:36px;overflow:visible;}

/* ── WAX COUNTER ── */
.topbar-wax{display:flex;align-items:center;gap:5px;background:linear-gradient(135deg,#fef9e7,#fef3c7);border:1.5px solid rgba(251,191,36,.4);border-radius:50px;padding:5px 12px;min-width:72px;height:36px;cursor:pointer;transition:background .15s;position:relative;}
.topbar-wax:hover{background:#fef0b0;border-color:rgba(217,119,6,.5);}
body.dark .topbar-wax{background:linear-gradient(135deg,#2a1f00,#1c1600);border-color:rgba(251,191,36,.25);}
body.dark .topbar-wax:hover{background:#251a00;}
.topbar-wax-icon{font-size:18px;line-height:1;display:flex;align-items:center;}
.topbar-wax-num{font-family:'Nunito',sans-serif;font-weight:900;font-size:15px;color:#d97706;line-height:1;display:flex;align-items:center;}
/* sparkle animations in wax popup */
.wax-sparkle{position:absolute;font-size:11px;color:#f59e0b;animation:waxSparkle 2s ease-in-out infinite;pointer-events:none;}
@keyframes waxSparkle{0%,100%{opacity:0;transform:scale(.6) translateY(0);}40%{opacity:1;transform:scale(1) translateY(-4px);}70%{opacity:.5;transform:scale(.8) translateY(-7px);}}
/* dark mode wax popup bg */
body.dark #waxPotArea{background:linear-gradient(160deg,#2a1f00 0%,#1c1600 100%) !important;}
body.dark #waxPotArea .wax-sparkle{color:#fbbf24;}

@keyframes logoShimmer{0%{background-position:0% 50%;}50%{background-position:100% 50%;}100%{background-position:0% 50%;}}
@keyframes spin{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}
.logo-text{font-family:'Nunito',sans-serif;font-weight:900;font-size:21px;line-height:1;background:linear-gradient(135deg,#06b6d4 0%,#a78bfa 30%,#6366f1 55%,#22d3ee 78%,#06b6d4 100%);background-size:300% 300%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:logoShimmer 4s ease infinite;}
body.dark .logo-text{background:linear-gradient(135deg,#a78bfa 0%,#f472b6 30%,#818cf8 55%,#c4b5fd 78%,#a78bfa 100%);background-size:300% 300%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:logoShimmer 4s ease infinite;}
.nav-section-label{font-size:10.5px;font-weight:800;letter-spacing:.08em;color:var(--text-muted);text-transform:uppercase;padding:4px 10px 5px;}
.nav-section-divider{display:none;}
.nav-item{display:flex;align-items:center;gap:9px;padding:11px 13px;border-radius:14px;cursor:pointer;transition:background .15s,color .15s,transform .12s;font-size:14px;font-weight:500;color:var(--text-muted);margin-bottom:5px;border:1.5px solid transparent;background:none;width:100%;text-align:left;}
.nav-item:hover{background:rgba(34,211,238,0.10);color:var(--nav-active-text);transform:translateX(2px);}
body.dark .nav-item:hover{background:rgba(167,139,250,0.12);}
.nav-item.active{background:#dff6fb;color:var(--nav-active-text);font-weight:700;border-color:rgba(34,211,238,0.18);}
body.dark .nav-item.active{background:var(--nav-active-bg);border-color:rgba(167,139,250,0.18);}
.nav-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.nav-icon svg{width:22px;height:22px;fill:currentColor;}
.nav-label{display:inline-flex;align-items:center;gap:7px;font-size:14px;line-height:1.2;}
.sidebar-bottom{margin-top:auto;padding-top:10px;border-top:none;display:flex;flex-direction:column;gap:8px;}
.alma-btn{display:flex;align-items:center;gap:10px;width:100%;padding:11px 16px;border-radius:16px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:white;border:none;cursor:pointer;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;transition:all .2s;box-shadow:0 6px 20px var(--accent-shadow);}
.alma-btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px var(--accent-shadow);}
.alma-btn svg{width:15px;height:15px;stroke:white;flex-shrink:0;}
.user-card{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:16px;background:var(--card);}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:12px;color:white;font-weight:800;font-family:'Nunito',sans-serif;flex-shrink:0;}
.user-name{font-size:13px;font-weight:600;}
.user-grade{font-size:11px;color:var(--text-muted);}

#main-content-area{flex:1;min-height:100vh;background:transparent;}
.page{display:none;animation:fadeIn .25s ease;}
.page.active{display:block;}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.page-header{margin-bottom:30px;}
.page-title{font-family:'Nunito',sans-serif;font-size:28px;font-weight:900;}
.page-sub{font-size:13px;color:var(--text-muted);margin-top:3px;}

.card{background:var(--card);border-radius:var(--radius);box-shadow:none;padding:28px;border:1.5px solid var(--border);transition:background .3s,border .3s;}
.card-title{font-family:'Nunito',sans-serif;font-weight:800;font-size:15px;margin-bottom:18px;display:flex;align-items:center;gap:8px;}
.card-title svg{width:16px;height:16px;stroke:var(--accent);}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px;}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px;}
.stat-card{background:var(--card);border-radius:var(--radius);padding:22px;border:1.5px solid var(--border);box-shadow:none;transition:background .3s,border-color .18s,box-shadow .18s;}
.stat-card:hover{box-shadow:0 4px 20px rgba(14,90,120,0.08);border-color:rgba(34,211,238,0.3);}
.stat-icon{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.stat-icon svg{width:18px;height:18px;}
.stat-label{font-size:12px;color:var(--text-muted);font-weight:500;margin-bottom:4px;}
.stat-value{font-family:'Nunito',sans-serif;font-size:26px;font-weight:900;}
.stat-sub{font-size:11px;color:var(--text-muted);margin-top:2px;}

input[type="text"],input[type="date"],input[type="number"],input[type="email"],textarea,select{border:1.5px solid var(--border);border-radius:14px;padding:10px 14px;font-family:'DM Sans',sans-serif;font-size:13px;color:var(--text);background:var(--input-bg);outline:none;transition:border .15s,background .3s,box-shadow .15s;}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-shadow);}
textarea{resize:vertical;width:100%;font-family:'DM Sans',sans-serif;}
.btn{padding:10px 20px;border-radius:50px;border:none;cursor:pointer;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;transition:all .18s;}
.btn-primary{background:var(--accent);color:white;box-shadow:0 4px 14px var(--accent-shadow);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 20px var(--accent-shadow);}
.btn-ghost{background:var(--bg);color:var(--text-soft);border:1px solid var(--border);}
.btn-ghost:hover{background:var(--border);}
.btn-danger{background:var(--red-light);color:var(--red);}
.btn-danger:hover{background:var(--red);color:white;}

#savedToast{position:fixed;bottom:24px;right:24px;background:var(--card);color:var(--text);border:1px solid var(--border);font-size:12px;font-weight:600;padding:8px 16px;border-radius:20px;opacity:0;transition:opacity .3s;z-index:9999;pointer-events:none;display:flex;align-items:center;gap:6px;box-shadow:var(--shadow);}
#savedToast svg{width:13px;height:13px;stroke:var(--accent);}

.cal-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.cal-month{font-family:'Nunito',sans-serif;font-weight:900;font-size:18px;}
.cal-btn{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:var(--card);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:all .15s;color:var(--text-soft);}
.cal-btn:hover{background:var(--accent-light);border-color:var(--accent);color:var(--nav-active-text);}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;}
.cal-day-label{text-align:center;font-size:11px;font-weight:700;color:var(--text-muted);padding:6px 0;text-transform:uppercase;}
.cal-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:15px;font-weight:500;cursor:pointer;transition:all .18s;position:relative;color:var(--text-soft);min-height:44px;}
.cal-day:hover{background:var(--bg);color:var(--text);}
.cal-day.other-month{color:var(--border);}
.cal-day.today{background:var(--accent);color:white;font-weight:800;box-shadow:0 4px 14px var(--accent-shadow);}
.cal-day.has-event::after{content:'';position:absolute;bottom:3px;width:4px;height:4px;background:var(--pink);border-radius:50%;}
.cal-day.today.has-event::after{background:white;}
.event-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;max-height:300px;overflow-y:auto;}
.event-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--card);border-radius:14px;font-size:13px;}
.event-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;}
.event-name{font-weight:600;flex:1;}
.event-date{font-size:11px;color:var(--text-muted);}
.add-event-form{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}

.todo-add{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap;}
.todo-add input{flex:1;min-width:120px;}
.todo-filters{display:flex;gap:8px;margin-bottom:16px;}
.filter-btn{padding:6px 16px;border-radius:50px;border:1.5px solid var(--border);background:var(--card);font-size:12px;font-weight:600;cursor:pointer;transition:all .15s;color:var(--text-soft);}
.filter-btn.active{background:var(--accent-light);border-color:var(--accent);color:var(--nav-active-text);}
.todo-list{display:flex;flex-direction:column;gap:8px;}
.todo-item{display:flex;align-items:center;gap:12px;padding:13px 16px;background:var(--card);border-radius:16px;transition:all .18s;border:1.5px solid var(--border);}
.todo-item:hover{border-color:var(--accent-light);background:var(--card);box-shadow:0 2px 12px rgba(14,90,120,0.06);}
.todo-item.done{opacity:.5;}
.todo-item.done .todo-text{text-decoration:line-through;}
.todo-check{width:20px;height:20px;border-radius:6px;border:2px solid var(--border);cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:all .15s;background:var(--card);}
.todo-check.checked{background:var(--accent);border-color:var(--accent);}
.todo-check.checked::after{content:'';width:5px;height:9px;border-right:2px solid white;border-bottom:2px solid white;transform:rotate(45deg) translate(-1px,-1px);display:block;}
.todo-text{flex:1;font-size:14px;}
.todo-subject{font-size:11px;padding:2px 8px;border-radius:20px;font-weight:600;background:var(--accent-light);color:var(--nav-active-text);}
.todo-delete{color:var(--text-muted);cursor:pointer;font-size:18px;opacity:0;transition:opacity .15s;padding:4px;line-height:1;}
.todo-item:hover .todo-delete{opacity:1;}
.priority-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;}

.gpa-display{text-align:center;padding:28px;background:linear-gradient(135deg,var(--accent-light),var(--purple-light));border-radius:var(--radius);margin-bottom:24px;}
.gpa-number{font-family:'Nunito',sans-serif;font-size:64px;font-weight:900;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1;}
.gpa-label{font-size:13px;color:var(--text-muted);margin-top:6px;font-weight:500;}
.course-table{width:100%;border-collapse:collapse;}
.course-table th{text-align:left;font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:8px 12px;border-bottom:1px solid var(--border);}
.course-table td{padding:10px 12px;font-size:13px;border-bottom:1px solid var(--border);}
.course-table tr:last-child td{border-bottom:none;}
.course-table tr:hover td{background:var(--bg);}
.grade-badge{display:inline-flex;align-items:center;justify-content:center;min-width:50px;height:24px;padding:0 8px;border-radius:6px;font-size:12px;font-weight:700;}
.add-course{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.grade-hint{font-size:11px;color:var(--text-muted);margin-top:8px;}
.gpa-input-group{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:12px;}
.gpa-step-btns{display:flex;flex-direction:column;gap:2px;}
.gpa-step-btn{width:22px;height:18px;border:1px solid var(--border);border-radius:4px;background:var(--input-bg);cursor:pointer;color:var(--text-soft);font-size:11px;display:flex;align-items:center;justify-content:center;transition:all .1s;}
.gpa-step-btn:hover{background:var(--accent-light);border-color:var(--accent);color:var(--nav-active-text);}
.gpa-presets{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px;}
.gpa-preset{padding:4px 10px;border-radius:20px;border:1.5px solid var(--border);background:var(--card);font-size:11px;font-weight:700;cursor:pointer;transition:all .15s;color:var(--text-soft);}
.gpa-preset:hover{background:var(--accent-light);border-color:var(--accent);color:var(--nav-active-text);}

.notes-layout{display:grid;grid-template-columns:200px 1fr;gap:20px;min-height:500px;}
.notes-sidebar{border-right:1px solid var(--border);padding-right:20px;}
.note-list-item{padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s;margin-bottom:4px;}
.note-list-item:hover{background:var(--card);}
.note-list-item.active{background:var(--accent-light);}
.note-list-title{font-size:13px;font-weight:600;}
.note-list-preview{font-size:11px;color:var(--text-muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.note-editor{display:flex;flex-direction:column;gap:12px;}
.note-title-input{font-family:'Nunito',sans-serif;font-size:20px;font-weight:800;border:none;outline:none;color:var(--text);padding:0;background:transparent;}
.note-body{flex:1;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:14px;font-size:14px;min-height:380px;resize:vertical;}

.countdown-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;}
.countdown-card{border-radius:var(--radius);padding:20px;position:relative;overflow:hidden;}
.countdown-event{font-size:13px;font-weight:700;margin-bottom:8px;}
.countdown-days-num{font-family:'Nunito',sans-serif;font-size:42px;font-weight:900;line-height:1;}
.countdown-unit{font-size:12px;font-weight:500;opacity:.7;margin-top:2px;}
.countdown-date{font-size:11px;opacity:.6;margin-top:8px;}
.add-countdown{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}

.setting-row{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--card);border-radius:var(--radius-sm);margin-bottom:8px;}
.setting-label{font-size:14px;font-weight:500;}
.setting-desc{font-size:12px;color:var(--text-muted);margin-top:2px;}
.toggle{position:relative;width:44px;height:24px;flex-shrink:0;}
.toggle input{opacity:0;width:0;height:0;}
.toggle-slider{position:absolute;inset:0;background:var(--border);border-radius:12px;cursor:pointer;transition:.3s;}
.toggle-slider::before{content:'';position:absolute;width:18px;height:18px;left:3px;top:3px;background:white;border-radius:50%;transition:.3s;box-shadow:0 1px 4px rgba(0,0,0,.2);}
.toggle input:checked+.toggle-slider{background:var(--accent);}
.toggle input:checked+.toggle-slider::before{transform:translateX(20px);}
.google-signin-btn{display:flex;align-items:center;gap:12px;padding:11px 20px;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;font-family:'DM Sans',sans-serif;font-size:14px;font-weight:600;color:var(--text);transition:all .15s;width:100%;}
.google-signin-btn:hover{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-shadow);}
.google-user-info{display:flex;align-items:center;gap:14px;padding:14px 18px;background:var(--accent-light);border-radius:var(--radius-sm);border:1.5px solid var(--accent);}
.google-user-name{font-weight:700;font-size:14px;}
.google-user-email{font-size:12px;color:var(--text-muted);}
.settings-block-title{font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--text-muted);text-transform:uppercase;margin-bottom:14px;}

::-webkit-scrollbar{width:6px;} ::-webkit-scrollbar-track{background:transparent;} ::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}

/* ── FLOATING TIMER PIP ── */
#timerPip{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);
  z-index:9995;
  background:var(--card);
  border:1.5px solid var(--border);
  border-radius:50px;
  box-shadow:0 8px 32px rgba(0,0,0,.18),0 2px 8px rgba(0,0,0,.10);
  padding:10px 14px 10px 14px;
  display:flex;align-items:center;gap:10px;
  min-width:220px;
  cursor:pointer;
  transition:transform .35s cubic-bezier(.34,1.56,.64,1),opacity .3s,box-shadow .2s,border-color .2s;
  opacity:0;
  pointer-events:none;
  user-select:none;
}
#timerPip.visible{
  transform:translateX(-50%) translateY(0);
  opacity:1;
  pointer-events:auto;
}
#timerPip:hover{
  box-shadow:0 12px 40px rgba(0,0,0,.22),0 2px 8px rgba(0,0,0,.10);
  border-color:var(--accent);
}
.pip-dot{
  width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0;
  animation:pipDotBlink 1.2s ease-in-out infinite;
}
@keyframes pipDotBlink{0%,100%{opacity:1;}50%{opacity:.25;}}
.pip-label{
  font-size:10px;font-weight:800;color:var(--text-muted);text-transform:uppercase;letter-spacing:.07em;
  line-height:1;margin-bottom:1px;
}
.pip-time{
  font-family:'Nunito',sans-serif;font-size:20px;font-weight:900;color:var(--text);
  line-height:1;
}
.pip-phase{font-size:11px;color:var(--text-muted);font-weight:500;}
.pip-close{
  margin-left:2px;width:22px;height:22px;border-radius:50%;border:none;background:var(--input-bg);
  color:var(--text-muted);font-size:13px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:background .15s,color .15s;line-height:1;padding:0;
}
.pip-close:hover{background:var(--red-light);color:var(--red);}

/* AI page full-height override */
#page-aitutor {
  display: none;
}
#page-aitutor.active {
  display: flex !important;
  flex-direction: column;
  position: absolute !important;
  inset: 0 !important;
  margin: 0 !important;
  background: var(--bg);
  z-index: 10;
}
#page-aitutor .ai-messages {
  font-family: 'DM Sans', sans-serif;
}

.chart-wrap{position:relative;width:100%;height:180px;margin-top:8px;display:flex;align-items:stretch;justify-content:center;}
.bar-chart{display:flex;align-items:flex-end;gap:6px;height:100%;padding:0 4px;width:100%;justify-content:center;}
.bar-col{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px;flex:1;height:100%;}
.bar-fill{width:100%;border-radius:6px 6px 0 0;background:linear-gradient(180deg,var(--accent),var(--accent-dark));transition:height .6s cubic-bezier(.22,1,.36,1);min-height:2px;position:relative;flex-shrink:0;}
.bar-fill:hover{opacity:.8;cursor:default;}
.bar-label{font-size:9px;font-weight:700;color:var(--text-muted);text-transform:uppercase;}
.bar-val{font-size:9px;font-weight:700;color:var(--text-soft);}
.subject-row{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--card);border-radius:var(--radius-sm);margin-bottom:8px;}
.subject-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;}
.subject-name{font-size:13px;font-weight:600;flex:1;}
.subject-time{font-size:12px;color:var(--text-muted);margin-right:8px;}
.subject-bar-bg{flex:2;height:8px;background:var(--border);border-radius:4px;overflow:hidden;}
.subject-bar-fill{height:100%;border-radius:4px;transition:width .6s cubic-bezier(.22,1,.36,1);}
.analytics-stat{text-align:center;padding:16px;background:var(--card);border-radius:var(--radius-sm);}
.analytics-stat-val{font-family:'Nunito',sans-serif;font-size:28px;font-weight:900;}
.analytics-stat-label{font-size:11px;color:var(--text-muted);margin-top:2px;}

/* ── GOALS ── */
.goal-card{background:var(--card);border-radius:18px;padding:16px;margin-bottom:12px;border:1.5px solid var(--border);transition:border .2s,box-shadow .2s;}
.goal-card:hover{border-color:var(--accent);box-shadow:0 4px 20px var(--accent-shadow);}
.goal-header{display:flex;align-items:flex-start;gap:10px;margin-bottom:10px;}
.goal-emoji{font-size:22px;flex-shrink:0;line-height:1.2;}
.goal-title-wrap{flex:1;}
.goal-title{font-size:14px;font-weight:700;}
.goal-deadline{font-size:11px;color:var(--text-muted);margin-top:2px;}
.goal-progress-bg{height:10px;background:var(--border);border-radius:5px;overflow:hidden;margin-bottom:6px;}
.goal-progress-fill{height:100%;border-radius:5px;transition:width .7s cubic-bezier(.22,1,.36,1);}
.goal-progress-label{display:flex;justify-content:space-between;font-size:11px;color:var(--text-muted);}
.goal-tasks-linked{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px;}
.goal-task-chip{font-size:10px;padding:2px 8px;border-radius:20px;background:var(--accent-light);color:var(--nav-active-text);font-weight:600;}
.goal-actions{display:flex;gap:6px;margin-top:8px;}
.goal-add-form{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-start;margin-bottom:20px;}
.goal-add-form input,
.goal-add-form select{min-width:120px;}

/* ── CALENDAR DATE POPUP ── */
.cal-popup{position:fixed;z-index:500;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 32px rgba(0,0,0,.14);padding:16px;min-width:240px;animation:fadeIn .15s ease;}
.cal-popup-date{font-family:'Nunito',sans-serif;font-size:14px;font-weight:800;margin-bottom:12px;color:var(--accent);}
.cal-popup-btn{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:var(--radius-sm);border:none;background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;cursor:pointer;margin-bottom:6px;text-align:left;transition:background .15s;}
.cal-popup-btn:hover{background:var(--accent-light);color:var(--nav-active-text);}
.cal-popup-btn svg{width:15px;height:15px;stroke:currentColor;flex-shrink:0;}
.cal-popup-close{width:100%;padding:7px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-muted);font-size:12px;cursor:pointer;margin-top:2px;}
.cal-popup-close:hover{color:var(--text);}
.cal-popup-mini-form{margin-top:10px;display:flex;flex-direction:column;gap:8px;}
.cal-popup-mini-form input,.cal-popup-mini-form select{font-size:12px;padding:7px 10px;}

/* ── GOAL TYPE ── */
.goal-type-pill{display:inline-flex;align-items:center;gap:5px;font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px;text-transform:uppercase;letter-spacing:.04em;}

/* ── TIMER TABS ── */
.timer-tabs{display:flex;gap:0;border:1.5px solid var(--border);border-radius:50px;overflow:hidden;margin-bottom:20px;}
.timer-tab{flex:1;padding:9px 0;border:none;background:var(--card);color:var(--text-soft);font-family:'DM Sans',sans-serif;font-size:13px;font-weight:700;cursor:pointer;transition:all .18s;}
.timer-tab.active{background:var(--accent);color:white;}
.timer-panel{display:none;}
.timer-panel.active{display:flex;flex-direction:column;align-items:center;gap:20px;}
/* free timer */
.free-timer-display{font-family:'Nunito',sans-serif;font-size:60px;font-weight:900;letter-spacing:-2px;line-height:1;}
.free-timer-sub{font-size:12px;color:var(--text-muted);font-weight:600;letter-spacing:.06em;text-transform:uppercase;}

/* ── GRADE MISSING CALC ── */
.gmc-result{padding:16px;border-radius:var(--radius-sm);background:var(--bg);border:1.5px solid var(--border);margin-top:12px;}
.gmc-result-headline{font-family:'Nunito',sans-serif;font-size:20px;font-weight:900;margin-bottom:6px;}
.gmc-course-row{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:12px;padding:10px 14px;background:var(--card);border-radius:10px;font-size:13px;margin-bottom:6px;border:1.5px solid var(--border);}
.gmc-badge{font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px;white-space:nowrap;}

/* ── TOPBAR ── */
/* topbar and sidebar rules defined in the rounded group section below */
.topbar-search{display:flex;align-items:center;gap:8px;background:var(--card);border:1.5px solid var(--border);border-radius:50px;padding:7px 16px;flex:1;max-width:340px;transition:border .15s,box-shadow .15s;}
.topbar-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-shadow);}
.topbar-search svg{width:15px;height:15px;fill:var(--text-muted);flex-shrink:0;}
.topbar-search input{border:none;outline:none;background:transparent;font-family:'DM Sans',sans-serif;font-size:13px;color:var(--text);width:100%;}
.topbar-search input::placeholder{color:var(--text-muted);}
.topbar-spacer{flex:1;}
.topbar-btn{height:36px;padding:0 10px;border-radius:50px;border:none;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:background .15s,box-shadow .15s;flex-shrink:0;}
.topbar-btn:hover{background:rgba(34,211,238,0.12);box-shadow:0 0 0 1.5px rgba(34,211,238,0.2);}
body.dark .topbar-btn:hover{background:rgba(167,139,250,0.14);box-shadow:0 0 0 1.5px rgba(167,139,250,0.2);}
.topbar-btn svg{width:22px;height:22px;fill:#b0bec5;transition:fill .15s;} .topbar-btn:hover svg{fill:var(--nav-active-text);}
/* streak */
.topbar-streak{display:flex;align-items:center;gap:5px;background:linear-gradient(135deg,#fef9e7,#fef3c7);border:1.5px solid rgba(251,191,36,.4);border-radius:50px;padding:5px 12px;min-width:72px;height:36px;cursor:pointer;transition:background .15s,border-color .15s;position:relative;}
.topbar-streak:hover{background:#fef0b0;border-color:rgba(217,119,6,.5);}
body.dark .topbar-streak{background:linear-gradient(135deg,#2a1f00,#1c1600);border-color:rgba(251,191,36,.25);}
body.dark .topbar-streak:hover{background:#251a00;border-color:rgba(251,191,36,.45);}
.topbar-streak-icon{width:22px;height:22px;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.topbar-streak-icon svg{width:22px;height:22px;}
.topbar-streak-num{font-family:'Nunito',sans-serif;font-weight:900;font-size:15px;color:#d97706;}
.topbar-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:12px;color:white;font-weight:800;font-family:'Nunito',sans-serif;cursor:pointer;flex-shrink:0;border:2px solid transparent;transition:border .15s;overflow:hidden;}
.topbar-avatar:hover{border-color:var(--accent);}
.topbar-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%;}
/* Streak popup */
.streak-popup{position:fixed;top:70px;right:20px;background:var(--card);border:1.5px solid var(--border);border-radius:24px;box-shadow:0 12px 48px rgba(0,0,0,0.18);width:290px;z-index:9999;display:none;overflow:hidden;}
.streak-popup.open{display:block;animation:streakIn .22s cubic-bezier(.34,1.56,.64,1) forwards;}
@keyframes streakIn{from{opacity:0;transform:translateY(-12px) scale(.96);}to{opacity:1;transform:translateY(0) scale(1);}}
.streak-popup-header{background:linear-gradient(160deg,#fff7ed 0%,#fef3c7 100%);padding:26px 20px 20px;display:flex;flex-direction:column;align-items:center;position:relative;overflow:hidden;}
body.dark .streak-popup-header{background:linear-gradient(160deg,#2a1500 0%,#1c1000 100%);}
.streak-popup-header-glow{position:absolute;top:-30px;left:50%;transform:translateX(-50%);width:160px;height:100px;background:radial-gradient(ellipse,rgba(251,191,36,.35) 0%,transparent 70%);pointer-events:none;}
.streak-popup-flame{display:flex;justify-content:center;width:100%;}
.streak-popup-flame svg{animation:fireFlicker 1.8s ease-in-out infinite;transform-origin:50% 100%;}
@keyframes flamePop{from{transform:scale(.5);opacity:0;}to{transform:scale(1);opacity:1;}}
@keyframes fireFlicker{
  0%   {transform:rotate(0deg)   scaleX(1)    scaleY(1);}
  15%  {transform:rotate(-6deg)  scaleX(.97)  scaleY(1.04);}
  30%  {transform:rotate(-3deg)  scaleX(.98)  scaleY(1.02);}
  45%  {transform:rotate(5deg)   scaleX(1.03) scaleY(.97);}
  60%  {transform:rotate(7deg)   scaleX(1.02) scaleY(.96);}
  75%  {transform:rotate(2deg)   scaleX(1)    scaleY(1.02);}
  90%  {transform:rotate(-4deg)  scaleX(.98)  scaleY(1.03);}
  100% {transform:rotate(0deg)   scaleX(1)    scaleY(1);}
}
@keyframes flameGlow{
  0%,100%{filter:drop-shadow(0 0 4px rgba(249,115,22,.6)) drop-shadow(0 0 10px rgba(251,191,36,.3));}
  50%    {filter:drop-shadow(0 0 8px rgba(249,115,22,.9)) drop-shadow(0 0 18px rgba(251,191,36,.5));}
}
.streak-popup-num{font-family:'Nunito',sans-serif;font-size:48px;font-weight:900;color:#ea580c;line-height:1;margin-top:4px;animation:numPop .35s cubic-bezier(.34,1.56,.64,1) .05s both;}
@keyframes numPop{from{transform:scale(.6) translateY(8px);opacity:0;}to{transform:scale(1) translateY(0);opacity:1;}}
.streak-popup-label{font-family:'Nunito',sans-serif;font-size:14px;font-weight:700;color:#92400e;margin-top:2px;opacity:.8;}
body.dark .streak-popup-label{color:#fcd34d;}
.streak-popup-msg{font-size:11px;color:#b45309;margin-top:6px;font-weight:500;opacity:.75;}
body.dark .streak-popup-msg{color:#fbbf24;}
.streak-sparkle{position:absolute;font-size:13px;color:#fbbf24;animation:waxSparkle 2.2s ease-in-out infinite;pointer-events:none;}
.streak-popup-body{padding:16px 18px 18px;}
.streak-week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px 0;text-align:center;justify-items:center;width:100%;}
.streak-day-label{font-size:10px;font-weight:800;color:var(--text-muted);padding-bottom:2px;text-align:center;width:100%;letter-spacing:.04em;}
.streak-day-dot{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;line-height:1;transition:transform .15s;}
.streak-day-dot.done{background:linear-gradient(135deg,#fef3c7,#fde68a);box-shadow:0 2px 8px rgba(251,191,36,.3);}
.streak-day-dot.missed{background:var(--input-bg);}
.streak-day-dot.today{background:linear-gradient(135deg,#fbbf24,#f97316);box-shadow:0 3px 12px rgba(249,115,22,.4);animation:todayPulse 2s ease-in-out infinite;}
@keyframes todayPulse{0%,100%{box-shadow:0 3px 12px rgba(249,115,22,.4);}50%{box-shadow:0 3px 22px rgba(249,115,22,.7);}}
/* ══════════════════════════════════════════
   LAYOUT: Full-page white menu, floating
   rounded "screen" for the content area.
   ══════════════════════════════════════════ */

/* Entire page = white (the menu surround) */
body { background: #ffffff !important; }
body.dark { background: #18181f !important; }

/* ── TOPBAR: spans full width, flush to top ── */
#topbar{
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 58px;
  background: transparent;
  border: none;
  display: flex; align-items: center;
  padding: 0 24px 0 232px;
  gap: 14px;
  z-index: 110;
  transition: background .3s;
}

/* ── SIDEBAR: left column, flush to top and bottom ── */
#sidebar{
  width: 220px;
  background: transparent;
  display: flex; flex-direction: column;
  padding: 0 10px 16px;
  padding-top: 12px;
  position: fixed; top: 0; left: 0; bottom: 16px;
  z-index: 9100;
  transition: background .3s;
}

/* Nav items sit directly on the white page — no pill needed */
.sidebar-inner{
  display: flex; flex-direction: column;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 10px 10px 14px;
  flex: 1;
  overflow: visible;
  margin: 0;
  transition: background .3s;
}

/* No corner pseudo-elements needed */
#sidebar::before, #sidebar::after { display: none; }

/* Logo row */
.logo{
  display: flex; align-items: center; gap: 10px;
  padding: 6px 8px 16px;
  margin-bottom: 4px;
}

/* ── MAIN: the floating "screen" ── */
#main{
  position: fixed;
  left: calc(220px + 16px);
  right: 16px;
  top: calc(58px + 12px);
  bottom: 16px;
  padding: 28px 36px 40px;
  overflow-y: auto;
  background: var(--bg);
  border-radius: 20px;
  border: 1.5px solid var(--border);
  
  box-shadow: none;
}
#main::-webkit-scrollbar-track{ background: transparent; }
#main::-webkit-scrollbar-corner{ background: transparent; }
.link-card{display:flex;flex-direction:row;align-items:center;gap:12px;padding:10px 14px;background:var(--bg);border-radius:var(--radius-sm);border:1.5px solid var(--border);cursor:pointer;transition:all .18s;text-decoration:none;color:var(--text);}
.link-card:hover{border-color:var(--accent);background:var(--accent-light);box-shadow:0 4px 14px var(--accent-shadow);}
.link-favicon{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;}
.link-name{font-size:13px;font-weight:700;flex:1;}
.link-url{font-size:11px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:90px;}
.link-delete{position:absolute;top:6px;right:8px;font-size:16px;color:var(--text-muted);opacity:0;cursor:pointer;transition:opacity .15s;line-height:1;}
.link-card-wrap{position:relative;}
.link-card-wrap:hover .link-delete{opacity:1;}
.add-link-form{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:20px;}
.add-link-form input{min-width:120px;}

.pomodoro-center{display:flex;flex-direction:column;align-items:center;gap:24px;}
.pomo-ring-wrap{position:relative;width:220px;height:220px;}
.pomo-ring-wrap>svg{position:absolute;top:0;left:0;width:220px;height:220px;transform:rotate(-90deg);}
.pomo-ring-bg{stroke:var(--border);fill:none;stroke-width:10;}
.pomo-ring-fill{stroke:var(--accent);fill:none;stroke-width:10;stroke-linecap:round;transition:stroke-dashoffset .5s linear,stroke .3s;}
.pomo-inner{position:absolute;top:0;left:0;width:220px;height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.pomo-time{font-family:'Nunito',sans-serif;font-size:48px;font-weight:900;line-height:1;}
.pomo-phase{font-size:12px;font-weight:700;color:var(--text-muted);letter-spacing:.06em;text-transform:uppercase;}
.pomo-session-count{font-size:11px;color:var(--text-muted);}
.pomo-controls{display:flex;gap:12px;align-items:center;}
.pomo-btn{width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;}
.pomo-btn-main{background:var(--accent);color:white;box-shadow:0 4px 16px var(--accent-shadow);}
.pomo-btn-main:hover{transform:scale(1.06);}
.pomo-btn-sec{background:var(--bg);border:1.5px solid var(--border);color:var(--text-soft);}
.pomo-btn-sec:hover{background:var(--border);}
.pomo-btn svg{width:20px;height:20px;}
.pomo-mode-btns{display:flex;gap:8px;}
.pomo-mode-btn{padding:6px 16px;border-radius:50px;border:1.5px solid var(--border);background:var(--card);font-size:12px;font-weight:700;cursor:pointer;transition:all .15s;color:var(--text-soft);}
.pomo-mode-btn.active{background:var(--accent-light);border-color:var(--accent);color:var(--nav-active-text);}
.pomo-subject-sel{padding:8px 12px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--input-bg);color:var(--text);font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;min-width:180px;}
.pomo-log{display:flex;flex-direction:column;gap:6px;max-height:260px;overflow-y:auto;}
.pomo-log-item{display:flex;align-items:center;gap:12px;padding:9px 14px;background:var(--card);border-radius:var(--radius-sm);font-size:12px;}
.pomo-log-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0;}
.pomo-log-name{font-weight:600;flex:1;}
.pomo-log-dur{color:var(--text-muted);}
.pomo-log-time{color:var(--text-muted);}
.pomo-week-stat{display:flex;align-items:center;gap:10px;padding:12px 16px;background:linear-gradient(135deg,var(--accent-light),var(--purple-light));border-radius:var(--radius-sm);margin-bottom:16px;}
.pomo-week-stat svg{width:18px;height:18px;stroke:var(--accent);flex-shrink:0;}
.pomo-week-text{font-size:13px;font-weight:600;}
.pomo-week-text span{color:var(--accent);font-family:'Nunito',sans-serif;font-size:15px;font-weight:900;}

/* ═══════════════════════════════════════
   MOBILE RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 768px) {
  /* ── BOTTOM TAB BAR ── */
  #sidebar {
    width: 100% !important;
    height: auto !important;
    top: auto !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    padding: 0 !important;
    z-index: 9100;
    background: var(--bg) !important;
    border-top: 2px solid var(--border);
    box-shadow: 0 -4px 24px rgba(0,0,0,0.08);
  }
  .sidebar-inner {
    flex-direction: row !important;
    padding: 0 !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0 !important;
    align-items: stretch;
    background: var(--bg) !important;
  }
  .sidebar-inner::-webkit-scrollbar { display: none; }

  /* Hide text labels/sections not needed */
  .nav-section-label, .logo, .nav-section-divider { display: none !important; }
  /* sidebar-bottom: flatten into the scrollable row, hide non-tab items */
  .sidebar-bottom { margin-top: 0 !important; padding-top: 0 !important; border-top: none !important; flex-direction: row !important; gap: 0 !important; }
  #sidebarUpgradeBtn, #sidebarProBadge, #ownerDevToggleBtn, .user-card, #sidebarSettingsBtn { display: none !important; }

  /* Each tab item */
  .nav-item {
    flex-direction: column !important;
    gap: 4px !important;
    padding: 10px 8px 8px !important;
    border-radius: 0 !important;
    border: none !important;
    min-width: 64px !important;
    max-width: 80px;
    align-items: center !important;
    flex-shrink: 0 !important;
    flex: 1;
    margin-bottom: 0 !important;
    position: relative;
  }
  /* Active tab: top accent bar instead of background */
  .nav-item.active {
    background: transparent !important;
    border: none !important;
  }
  .nav-item.active::before {
    content: '';
    position: absolute;
    top: 0; left: 20%; right: 20%;
    height: 3px;
    background: var(--accent);
    border-radius: 0 0 4px 4px;
  }
  .nav-item.active .nav-icon svg { fill: var(--accent) !important; }
  .nav-item.active .nav-label { color: var(--accent) !important; }
  .nav-label { 
    font-size: 10px !important; 
    line-height: 1.1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 64px;
  }
  .nav-icon { width: 22px !important; height: 22px !important; }
  .nav-icon svg { width: 20px !important; height: 20px !important; }
  /* sidebar-bottom must stay visible so mobileUpgradeTab (inside it) can show.
     Non-tab children (upgrade btn, pro badge, user card) are already hidden by line above. */
  .sidebar-bottom { display: flex !important; }
  .nav-item .beta-badge { display: none !important; }
  /* Hide the duplicate mobile-only settings shortcut */
  .mobile-settings-btn { display: none !important; }
  /* mobileUpgradeTab visibility is controlled entirely by JS updateProUI() */

  /* ── TOPBAR ── */
  #topbar {
    padding: 0 12px !important;
    left: 0 !important;
  }
  #topbar::before {
    content: 'Studdle';
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    font-size: 18px;
    background: linear-gradient(135deg, #06b6d4, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-right: auto;
  }
  body.dark #topbar::before {
    background: linear-gradient(135deg, #a78bfa, #f472b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* ── MAIN CONTENT ── */
  #main {
    left: 8px !important;
    right: 8px !important;
    top: calc(58px + 8px) !important;
    bottom: calc(72px + 8px) !important;
    padding: 18px 16px 24px !important;
    border-radius: 16px !important;
  }

  /* ── LAYOUTS ── */
  .stat-row { grid-template-columns: 1fr 1fr !important; gap: 12px !important; }
  .grid-2 { grid-template-columns: 1fr !important; gap: 14px !important; }
  .notes-layout { grid-template-columns: 1fr !important; }
  .notes-sidebar { border-right: none !important; padding-right: 0 !important; border-bottom: 1px solid var(--border); padding-bottom: 12px; margin-bottom: 12px; }
  .links-grid { grid-template-columns: 1fr !important; }
  .countdown-grid { grid-template-columns: 1fr 1fr !important; }
  .cal-day { font-size: 11px !important; }
  .page-title { font-size: 22px !important; }
  .card { padding: 18px !important; }
  .pomodoro-center { gap: 16px !important; }
  #searchModal { width: 94vw !important; top: 60px !important; border-radius: 18px !important; }
  #searchModal > div:last-child { display: none !important; } /* hide footer hints on mobile */
  #announcementPopup { right: 8px !important; width: 90vw !important; }
  .topbar-search span { display: none; }
  .topbar-search { min-width: 36px !important; padding: 0 10px !important; }
  .stat-value { font-size: 20px !important; }
  .stat-icon { width: 32px !important; height: 32px !important; margin-bottom: 10px !important; }
  /* GPA hide button always visible on touch devices */
  #gpaHideBtn { opacity: 1 !important; background: var(--bg) !important; }
}

@media (max-width: 400px) {
  .nav-item { min-width: 56px !important; padding: 10px 4px 8px !important; }
  .nav-label { font-size: 9px !important; }
  #main { left: 4px !important; right: 4px !important; padding: 14px 12px 20px !important; }
}

@media (max-width: 768px) { .mobile-settings-btn { display: flex !important; } }
@media (max-width: 768px) { #mobileUpgradeTab { display: flex !important; } }
@media (max-width: 768px) { #mobileUpgradeTab.pro-hidden { display: none !important; } }
@media (max-width: 768px) {
  #scheduleCard { padding: 16px 14px 14px !important; }
  .sched-period-row { padding: 9px 10px !important; gap: 8px !important; }
  #calPageGrid { grid-template-columns: 1fr !important; }
}

/* ══════════════════════════════════════════
   STUDDLE AI — DOCUMENT CANVAS STYLE
   No bubbles. Reads like a living document.
   ══════════════════════════════════════════ */

/* Tab bar */
.ai-tab{display:flex;align-items:center;gap:6px;padding:7px 16px;border-radius:10px;border:none;background:transparent;font-family:'Inter',sans-serif;font-size:12.5px;font-weight:500;cursor:pointer;transition:all .15s;color:var(--text-muted);}
.ai-tab:hover{background:var(--input-bg);color:var(--text);}
.ai-tab.active{background:var(--input-bg);color:var(--text);font-weight:700;box-shadow:0 1px 4px rgba(0,0,0,.06);}
body.dark .ai-tab.active{background:var(--card);}

.ai-panel{display:none;animation:fadeIn .18s ease;}
.ai-panel.active{display:block;}

/* ── CONVERSATION CANVAS ── */
.ai-messages{
  flex:1;overflow-y:auto;
  padding:24px 28px 16px;
  display:flex;flex-direction:column;gap:0;
  scroll-behavior:smooth;
  font-family:'DM Sans',sans-serif;
}

/* User question — inline, compact, muted header style */
.ai-msg-user{display:flex;flex-direction:column;align-items:flex-start;margin:0 0 6px;}
.ai-msg-user .ai-msg-avatar{display:none;}
.ai-msg-user .ai-msg-bubble{
  font-family:'Inter',sans-serif;
  font-size:11.5px;
  font-weight:600;
  color:var(--text-muted);
  background:transparent;
  border:none;
  padding:0;
  margin:0;
  letter-spacing:.04em;
  text-transform:uppercase;
  opacity:.7;
  white-space:pre-wrap;
  animation:fadeIn .2s ease;
}
/* little left rule before user question */
.ai-msg-user .ai-msg-bubble::before{
  content:'↗ ';
  color:var(--accent);
  font-size:11px;
  letter-spacing:0;
}

/* AI response — document paragraph style */
.ai-msg-bot{display:flex;flex-direction:column;align-items:flex-start;margin:0 0 36px;}
.ai-msg-avatar{
  display:flex;align-items:center;gap:7px;
  font-size:11px;font-weight:700;
  color:var(--accent);
  margin-bottom:10px;
  letter-spacing:.05em;
  text-transform:uppercase;
  font-family:'Inter',sans-serif;
}
.ai-msg-avatar svg{width:16px;height:16px;}

.ai-msg-bot .ai-msg-bubble{
  background:transparent;
  color:var(--text);
  border:none;
  padding:0;
  font-size:15px;
  font-family:'DM Sans',sans-serif;
  font-weight:400;
  line-height:1.75;
  white-space:pre-wrap;
  width:100%;
  max-width:680px;
  letter-spacing:.01em;
  animation:msgReveal .35s cubic-bezier(.22,1,.36,1);
}
.ai-msg-bot .ai-msg-bubble strong{
  font-family:'Inter',sans-serif;
  font-size:13px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
}
.ai-msg-bot .ai-msg-bubble em{
  font-style:italic;
  opacity:.85;
}

/* Typewriter cursor */
.ai-msg-bot .ai-msg-bubble.typing-active::after{
  content:'|';
  display:inline;
  animation:cursorBlink .5s infinite;
  color:var(--accent);
  font-size:16px;
  font-family:'Inter',sans-serif;
  font-weight:300;
  margin-left:2px;
}
@keyframes cursorBlink{0%,100%{opacity:1;}50%{opacity:0;}}

@keyframes msgReveal{
  from{opacity:0;transform:translateY(6px);}
  to{opacity:1;transform:translateY(0);}
}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}

/* ── THINKING STATE ── */
.ai-thinking-wrap{
  display:flex;flex-direction:column;align-items:flex-start;
  margin:0 0 24px;
  animation:fadeIn .2s ease;
}
.ai-thinking-label{
  display:flex;align-items:center;gap:7px;
  font-size:11px;font-weight:700;color:var(--accent);
  font-family:'Inter',sans-serif;margin-bottom:10px;
  letter-spacing:.05em;text-transform:uppercase;
}
.ai-thinking-label svg{width:16px;height:16px;}
.ai-thinking-bubble{
  background:transparent;border:none;padding:0;
  display:flex;align-items:center;gap:12px;
}
.ai-thinking-row{display:flex;align-items:center;gap:10px;}
.ai-thinking-text{
  font-size:14px;font-family:'DM Sans',sans-serif;
  color:var(--text-muted);font-style:italic;
  animation:thinkPulse 2s ease-in-out infinite;
}
@keyframes thinkPulse{0%,100%{opacity:.35;}50%{opacity:.75;}}
.ai-think-dots{display:flex;gap:6px;align-items:center;}
.ai-think-dots span{
  width:5px;height:5px;border-radius:50%;
  background:var(--accent);
  animation:thinkDot 1.4s ease-in-out infinite;
}
.ai-think-dots span:nth-child(2){animation-delay:.18s;}
.ai-think-dots span:nth-child(3){animation-delay:.36s;}
@keyframes thinkDot{
  0%,60%,100%{transform:scale(.6);opacity:.3;}
  30%{transform:scale(1.3);opacity:1;}
}

/* ── DIVIDER between exchanges ── */
.ai-exchange-divider{
  width:100%;height:1px;
  background:var(--border);
  margin:0 0 24px;
  opacity:.5;
}

/* ── CALLOUT BLOCKS ── */
.ai-callout{
  border-radius:10px;padding:14px 16px;
  margin:14px 0;border-left:3px solid;
  font-family:'Inter',sans-serif;
  background:transparent;
}
.ai-callout-header{
  display:flex;align-items:center;gap:7px;
  font-size:11.5px;font-weight:700;
  margin-bottom:6px;letter-spacing:.03em;text-transform:uppercase;
}
.ai-callout-header svg{width:13px;height:13px;flex-shrink:0;}
.ai-callout-body{font-size:14px;line-height:1.7;font-weight:400;font-family:'Inter',sans-serif;}

.ai-callout.tip{border-color:#a78bfa;background:#f5f3ff;}
.ai-callout.tip .ai-callout-header{color:#7c3aed;}
body.dark .ai-callout.tip{background:rgba(124,58,237,.08);}
.ai-callout.note{border-color:#34d399;background:#f0fdf4;}
.ai-callout.note .ai-callout-header{color:#059669;}
body.dark .ai-callout.note{background:rgba(52,211,153,.07);}
.ai-callout.warning{border-color:#fbbf24;background:#fffbeb;}
.ai-callout.warning .ai-callout-header{color:#d97706;}
body.dark .ai-callout.warning{background:rgba(251,191,36,.07);}

/* ── INPUT AREA ── */
.ai-input-area{
  border-top:1px solid var(--border);
  background:var(--bg);
  padding:12px 20px 16px;
}
.ai-input-inner{
  display:flex;gap:0;align-items:flex-end;
  max-width:680px;
  background:var(--input-bg);
  border:1.5px solid var(--border);
  border-radius:24px;
  padding:10px 10px 10px 18px;
  transition:border-color .15s, box-shadow .15s;
}
.ai-input-inner:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-shadow);
}
.ai-textarea{
  border:none;
  border-radius:0;
  padding:4px 0;
  font-family:'DM Sans',sans-serif;
  font-size:14.5px;
  color:var(--text);
  background:transparent;
  outline:none;
  transition:none;
  width:100%;resize:none;
  line-height:1.6;
}
.ai-textarea:focus{border-color:transparent;box-shadow:none;}
.ai-textarea::placeholder{color:var(--text-muted);opacity:.7;}
.ai-send-btn{
  width:34px;height:34px;border-radius:50%;border:none;
  background:var(--accent);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:all .15s;
  margin-left:6px;
  align-self:flex-end;
}
.ai-send-btn:hover{transform:scale(1.08);filter:brightness(1.1);}

/* Tab row */
.ai-suggestion-row{display:flex;flex-direction:column;gap:0;margin:0 0 24px;}
.ai-suggestion-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .12s;text-align:left;background:none;border-left:none;border-right:none;border-top:none;width:100%;font-family:'Inter',sans-serif;}
.ai-suggestion-item:first-child{border-top:1px solid var(--border);border-radius:12px 12px 0 0;}
.ai-suggestion-item:last-child{border-radius:0 0 12px 12px;}
.ai-suggestion-item:hover{background:var(--input-bg);}
.ai-suggestion-icon{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:15px;}
.ai-suggestion-text{flex:1;font-size:13.5px;color:var(--text);font-family:'Inter',sans-serif;line-height:1.4;}
.ai-suggestion-text strong{font-weight:700;}
.ai-suggestion-arrow{color:var(--text-muted);font-size:16px;flex-shrink:0;}
.ai-chip{padding:6px 13px;border-radius:50px;border:1.5px solid var(--border);background:var(--card);font-family:'Inter',sans-serif;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s;color:var(--text-soft);}
.ai-chip:hover{border-color:var(--accent);color:var(--nav-active-text);background:var(--accent-light);}
.ai-action-pill{display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:14px;border:1.5px solid var(--border);background:var(--card);cursor:pointer;text-align:left;font-family:'Inter',sans-serif;transition:all .15s;width:100%;}
.ai-action-pill:hover{border-color:var(--accent);background:var(--accent-light);transform:translateY(-1px);box-shadow:0 4px 14px var(--accent-shadow);}
.ai-action-pill-icon{font-size:18px;flex-shrink:0;line-height:1;}
.ai-action-pill-text{display:flex;flex-direction:column;gap:2px;min-width:0;}
.ai-action-pill-label{font-size:12px;font-weight:700;color:var(--text);line-height:1.2;}
.ai-action-pill-hint{font-size:10.5px;color:var(--text-muted);font-style:italic;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ai-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:60px 24px 32px;text-align:center;}
.ai-mascot{width:80px;height:80px;margin-bottom:8px;}
.ai-typing{display:flex;gap:4px;align-items:center;padding:6px 0;}
.ai-typing span{width:5px;height:5px;border-radius:50%;background:var(--accent);animation:aiDot 1.2s infinite;}
.ai-typing span:nth-child(2){animation-delay:.2s;}
.ai-typing span:nth-child(3){animation-delay:.4s;}
@keyframes aiDot{0%,60%,100%{transform:translateY(0);opacity:.35;}30%{transform:translateY(-4px);opacity:1;}}
@keyframes fireFlicker{0%{transform:scaleY(1) scaleX(1) translateY(0) rotate(0deg);filter:brightness(1);}25%{transform:scaleY(1.04) scaleX(.98) translateY(-1px) rotate(-1deg);filter:brightness(1.08);}50%{transform:scaleY(.97) scaleX(1.02) translateY(0px) rotate(.8deg);filter:brightness(.97);}75%{transform:scaleY(1.03) scaleX(.99) translateY(-1px) rotate(-0.5deg);filter:brightness(1.05);}100%{transform:scaleY(1) scaleX(1) translateY(0) rotate(0deg);filter:brightness(1);}}
.streak-fire-anim svg{animation:fireFlicker .65s ease-in-out infinite;transform-origin:50% 100%;display:block;}
.streak-popup-icon{display:inline-flex;}
.streak-popup.open .streak-popup-icon svg{animation:fireFlicker 2.8s ease-in-out infinite;transform-origin:50% 100%;}



    #otherNavWrap { position: relative; margin-bottom: 5px; }

    #otherPopup {
      display: none;
      position: fixed;
      min-width: 210px;
      background: var(--card);
      border: 1.5px solid var(--border);
      border-radius: 18px;
      box-shadow: 0 8px 36px rgba(0,0,0,0.18);
      padding: 8px;
      z-index: 9200;
    }

    .other-popup-item {
      display: flex; align-items: flex-start; gap: 10px;
      padding: 10px 12px; border-radius: 12px;
      cursor: pointer;
      transition: background .12s, color .12s;
      border: none; background: none; width: 100%; text-align: left;
      font-family: 'DM Sans', sans-serif;
    }
    .other-popup-item:hover { background: var(--accent-light); }
    body.dark .other-popup-item:hover { background: rgba(167,139,250,0.12); }
    .other-popup-item svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 3px; fill: var(--text-muted); }
    .other-popup-item:hover svg { fill: var(--nav-active-text); }
    .other-item-text { display: flex; flex-direction: column; gap: 2px; }
    .other-item-label { font-size: 13px; font-weight: 600; color: var(--text-muted); }
    .other-item-sub { font-size: 11px; color: var(--text-muted); opacity: 0.7; line-height: 1.4; }
    .other-popup-item:hover .other-item-label { color: var(--nav-active-text); }

    @media (max-width: 768px) {
      #otherNavWrap { margin-bottom: 0; flex-shrink: 0; flex: 1; min-width: 64px; max-width: 80px; }
      #otherNavBtn {
        flex-direction: column !important; gap: 4px !important;
        padding: 10px 8px 8px !important; border-radius: 0 !important;
        border: none !important; width: 100% !important;
        align-items: center !important; margin-bottom: 0 !important;
      }
      #otherNavBtn .other-chevron { display: none !important; }
      #otherNavBtn .nav-label { font-size: 10px !important; }
    }
  


  .sched-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:0;flex-wrap:wrap;gap:8px;}
  .sched-progress-bar-wrap{height:4px;background:var(--border);border-radius:4px;overflow:hidden;margin:14px 0 16px;}
  .sched-progress-bar-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .6s ease;}
  .sched-period-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;border:1.5px solid var(--border);transition:all .2s;position:relative;overflow:hidden;}
  .sched-period-row.active{border-color:transparent;box-shadow:0 4px 20px rgba(34,211,238,0.15);}
  .sched-period-row.done{opacity:0.48;}
  .sched-period-bar{width:3px;min-width:3px;height:32px;border-radius:4px;flex-shrink:0;}
  .sched-now-badge{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.07em;padding:3px 9px;border-radius:20px;flex-shrink:0;}
  .sched-time-left{font-size:11px;font-weight:700;flex-shrink:0;opacity:.7;}
  .sched-active-glow{position:absolute;inset:0;border-radius:14px;pointer-events:none;}
  .sched-next-label{font-size:11px;font-weight:700;padding:2px 8px;border-radius:10px;background:var(--yellow-light);color:#b45309;flex-shrink:0;}
  body.dark .sched-next-label{background:rgba(251,191,36,0.12);color:#fcd34d;}
  .sched-free-badge{font-size:11px;color:var(--text-muted);font-style:italic;}
  .sched-late-start-pill{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;background:var(--yellow-light);color:#b45309;padding:3px 10px;border-radius:20px;border:1.5px solid rgba(251,191,36,.3);}
  body.dark .sched-late-start-pill{background:rgba(251,191,36,.1);color:#fcd34d;border-color:rgba(251,191,36,.2);}
  


#scheduleWizardOverlay{position:fixed;inset:0;z-index:99999;background:rgba(15,23,42,0.45);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:none;align-items:flex-start;justify-content:center;padding:20px;overflow-y:auto;}
#scheduleWizardOverlay.open{display:flex;}
body.modal-open #sidebar,body.modal-open #topbar{z-index:1 !important;visibility:hidden !important;pointer-events:none !important;}
#scheduleWizardModal{background:var(--card);border:1.5px solid var(--border);border-radius:26px;width:100%;max-width:680px;margin:auto;box-shadow:0 24px 80px rgba(0,0,0,0.22);animation:swIn .28s cubic-bezier(.34,1.2,.64,1);}
@keyframes swIn{from{opacity:0;transform:translateY(24px) scale(.97);}to{opacity:1;transform:translateY(0) scale(1);}}
.sw-header{padding:24px 28px 0;display:flex;align-items:center;justify-content:space-between;}
.sw-title{font-family:'Nunito',sans-serif;font-weight:900;font-size:20px;color:var(--text);}
.sw-close{width:32px;height:32px;border-radius:50%;border:none;background:var(--bg);cursor:pointer;font-size:18px;color:var(--text-muted);display:flex;align-items:center;justify-content:center;transition:background .15s;}
.sw-close:hover{background:var(--border);}
.sw-body{padding:20px 28px 28px;}
.sw-step{display:none;}
.sw-step.active{display:block;}
.sw-label{font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.07em;margin-bottom:8px;}
.sw-day-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px;}
.sw-day-tab{padding:7px 14px;border-radius:50px;border:1.5px solid var(--border);background:transparent;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;color:var(--text-muted);cursor:pointer;transition:all .15s;}
.sw-day-tab.active{border-color:var(--accent);background:var(--accent-light);color:var(--accent-dark);}
.sw-periods-list{display:flex;flex-direction:column;gap:8px;margin-bottom:14px;max-height:340px;overflow-y:auto;padding-right:4px;}
.sw-period-row{display:grid;grid-template-columns:1fr 100px 100px 34px;gap:8px;align-items:center;}
.sw-period-row input{padding:9px 12px;border-radius:12px;border:1.5px solid var(--border);background:var(--input-bg);font-family:'DM Sans',sans-serif;font-size:13px;color:var(--text);outline:none;transition:border .15s;}
.sw-period-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-shadow);}
.sw-period-row input[type="time"]{min-width:0;}
.sw-del-btn{width:34px;height:34px;border-radius:10px;border:1.5px solid var(--border);background:transparent;cursor:pointer;color:var(--text-muted);display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0;}
.sw-del-btn:hover{border-color:#f87171;background:#fee2e2;color:#f87171;}
.sw-add-period-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:50px;border:1.5px dashed var(--border);background:transparent;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;color:var(--text-muted);cursor:pointer;transition:all .15s;margin-top:4px;}
.sw-add-period-btn:hover{border-color:var(--accent);color:var(--accent-dark);}
.sw-nav{display:flex;align-items:center;justify-content:space-between;margin-top:22px;padding-top:18px;border-top:1px solid var(--border);}
.sw-btn-back{padding:10px 22px;border-radius:50px;border:1.5px solid var(--border);background:transparent;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;color:var(--text-muted);cursor:pointer;transition:all .15s;}
.sw-btn-back:hover{border-color:var(--text-muted);color:var(--text);}
.sw-btn-next{padding:10px 26px;border-radius:50px;border:none;background:linear-gradient(135deg,var(--accent),var(--accent2));font-family:'DM Sans',sans-serif;font-size:13px;font-weight:700;color:white;cursor:pointer;box-shadow:0 4px 14px var(--accent-shadow);transition:all .18s;}
.sw-btn-next:hover{transform:translateY(-1px);box-shadow:0 8px 22px var(--accent-shadow);}
.sw-step-dots{display:flex;gap:6px;align-items:center;}
.sw-dot{width:7px;height:7px;border-radius:50%;background:var(--border);transition:background .2s,width .2s;}
.sw-dot.active{background:var(--accent);width:20px;border-radius:4px;}
.sw-anchor-row{display:flex;flex-direction:column;gap:6px;}
.sw-info-box{background:var(--accent-light);border:1.5px solid rgba(34,211,238,.2);border-radius:14px;padding:12px 16px;font-size:12.5px;color:var(--accent-dark);line-height:1.6;margin-top:10px;}
body.dark .sw-info-box{background:rgba(167,139,250,.08);border-color:rgba(167,139,250,.2);color:var(--accent);}



@keyframes signInBackdropIn { from { opacity:0; } to { opacity:1; } }
@keyframes signInCardIn { from { opacity:0; transform:translateY(18px) scale(.97); } to { opacity:1; transform:translateY(0) scale(1); } }
@keyframes signInBackdropOut { from { opacity:1; } to { opacity:0; } }
@keyframes signInCardOut { from { opacity:1; transform:translateY(0) scale(1); } to { opacity:0; transform:translateY(12px) scale(.97); } }
#aiSignInOverlay { opacity:0; pointer-events:none; }
#aiSignInOverlay.open { opacity:1; pointer-events:auto; animation: signInBackdropIn .22s ease forwards; }
#aiSignInOverlay.closing { animation: signInBackdropOut .2s ease forwards; }
#aiSignInOverlay.open #aiSignInCard { animation: signInCardIn .26s cubic-bezier(.34,1.28,.64,1) forwards; }
#aiSignInOverlay.closing #aiSignInCard { animation: signInCardOut .18s ease forwards; }
.sign-in-google-btn { width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:13px 20px;background:var(--card);border:1.5px solid var(--border);border-radius:14px;cursor:pointer;font-family:'DM Sans',sans-serif;font-size:14px;font-weight:600;color:var(--text);margin-bottom:12px;transition:border-color .15s,background .15s,transform .12s,box-shadow .15s; }
.sign-in-google-btn:hover { border-color:var(--accent);background:var(--accent-light);transform:translateY(-1px);box-shadow:0 6px 20px var(--accent-shadow); }



@keyframes proPaywallIn { from { opacity:0; transform:translateY(18px) scale(.97); } to { opacity:1; transform:translateY(0) scale(1); } }