:root{--bg:#f7f8fc;--card:#fff;--text:#172033;--muted:#64748b;--border:#e2e8f0;--soft:#f1f5f9;--nav:#fff;--accent:#7c3aed;--accent2:#8b5cf6;--danger:#e11d48;--success:#059669;--shadow:0 10px 30px rgba(15,23,42,.06)}
:root.dark{--bg:#080d1c;--card:#101827;--text:#f1f5f9;--muted:#94a3b8;--border:#243047;--soft:#172235;--nav:#0d1424;--accent:#a78bfa;--accent2:#8b5cf6;--shadow:0 12px 35px rgba(0,0,0,.25)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent}button,input,select{font:inherit}button{cursor:pointer;border:0}.app{min-height:100vh}.top{height:64px;position:fixed;z-index:50;inset:0 0 auto;background:color-mix(in srgb,var(--nav) 94%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 18px}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.brand img{width:38px;height:38px;border-radius:11px}.brand small{display:block;font-size:10px;letter-spacing:1.6px;color:var(--muted);font-weight:700}.top-actions{display:flex;align-items:center;gap:8px}.icon-btn,.avatar{width:38px;height:38px;border-radius:12px;background:var(--soft);color:var(--text);display:grid;place-items:center}.avatar{background:#ede9fe;color:#6d28d9;font-size:12px;font-weight:800}.side{position:fixed;z-index:40;top:64px;bottom:0;width:245px;background:var(--nav);border-right:1px solid var(--border);padding:18px 12px}.nav-btn{width:100%;display:flex;align-items:center;gap:11px;padding:11px 12px;margin:3px 0;border-radius:12px;background:transparent;color:var(--muted);font-weight:700;text-align:left}.nav-btn.active{background:#111a2e;color:#fff}.dark .nav-btn.active{background:#e2e8f0;color:#0f172a}.main{margin-left:245px;padding:94px 24px 35px}.wrap{max-width:1200px;margin:auto}.hero{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}.hero h1{font-size:30px;margin:0 0 5px;letter-spacing:-.8px}.hero p{margin:0;color:var(--muted)}.btn{border-radius:12px;padding:11px 15px;font-weight:800;display:inline-flex;align-items:center;gap:8px;background:#111a2e;color:white}.dark .btn{background:#f8fafc;color:#0f172a}.btn.alt{background:var(--card);color:var(--text);border:1px solid var(--border)}.btn.violet{background:var(--accent);color:#fff}.grid{display:grid;gap:16px}.stats{grid-template-columns:repeat(4,1fr)}.card{background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:20px}.stat .ico{width:40px;height:40px;border-radius:12px;background:var(--soft);display:grid;place-items:center}.stat .num{font-size:27px;font-weight:850;margin-top:14px}.stat .lab{font-size:13px;color:var(--muted);margin-top:3px}.stat-detail{margin-top:7px}.two{grid-template-columns:1.4fr 1fr}.section{margin-top:16px}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:10px}.section-title h2{font-size:17px;margin:0}.muted{color:var(--muted);font-size:13px}.bars{height:230px;display:flex;align-items:end;gap:9px;margin-top:18px}.bar-col{height:100%;flex:1;display:flex;flex-direction:column;justify-content:end;align-items:center;gap:7px}.bar{width:min(44px,75%);border-radius:9px 9px 4px 4px;background:linear-gradient(180deg,var(--accent2),var(--accent));min-height:2px}.bar-col span{font-size:11px;color:var(--muted)}.progress{height:9px;background:var(--soft);border-radius:99px;overflow:hidden}.progress>i{display:block;height:100%;background:var(--accent);border-radius:99px}.goal-number{font-size:42px;font-weight:900;margin-top:18px}.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}.quick-grid button,.quick-buttons button{padding:10px 12px;border:1px solid var(--border);border-radius:11px;background:var(--soft);color:var(--text);font-weight:750}.list-row{display:flex;align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid var(--border)}.list-row:last-child{border-bottom:0}.grow{flex:1;min-width:0}.row-title{font-size:14px;font-weight:750}.row-meta{font-size:12px;color:var(--muted);margin-top:4px}.pill{font-size:11px;font-weight:800;padding:5px 8px;border-radius:999px;background:var(--soft);white-space:nowrap}.pill.high{background:#ffe4e6;color:#be123c}.pill.medium{background:#fef3c7;color:#a16207}.pill.low{background:#dcfce7;color:#047857}.empty{text-align:center;padding:38px 12px;color:var(--muted);font-size:13px}.empty button{margin-top:12px;color:var(--accent);font-weight:800;background:transparent}.page-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.subject-card h3{margin:0;font-size:17px}.subject-head{display:flex;justify-content:space-between;gap:10px}.actions{display:flex;gap:4px}.mini{padding:7px;border-radius:9px;background:transparent;color:var(--muted)}.mini:hover{background:var(--soft)}.danger{color:var(--danger)}.subject-info{display:flex;justify-content:space-between;margin:16px 0 7px;font-size:13px}.subject-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.subtabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin:0 0 16px;padding-bottom:6px}.subtab{background:transparent;color:var(--muted);padding:8px 12px;border-radius:9px;font-weight:800}.subtab.active{background:var(--soft);color:var(--text)}.filter-row{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}.timer-card{max-width:760px;margin:auto;text-align:center}.timer-display{font-size:82px;font-weight:900;letter-spacing:-3px;margin:20px 0}.timer-state,.pom-label{font-size:11px;font-weight:900;letter-spacing:1.7px;text-transform:uppercase;color:var(--accent)}.timer-buttons{display:flex;justify-content:center;gap:9px;flex-wrap:wrap}.timer-summary{border-top:1px solid var(--border);margin-top:25px;padding-top:22px;display:grid;grid-template-columns:1fr 1fr}.timer-summary b{font-size:24px}.timer-subject{max-width:280px;margin:0 auto 18px;text-align:left}.timer-subject label{display:block;font-size:12px;font-weight:800;margin-bottom:6px}.timer-subject select{width:100%;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:11px;padding:10px}.planner-form,.form-grid,.pom-settings{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field label{display:block;font-size:12px;font-weight:800;margin-bottom:6px}.field input,.field select{width:100%;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:11px;padding:10px 12px;outline:none}.field input:focus,.field select:focus{border-color:var(--accent)}.planner-note{margin-top:13px;padding:11px;border-radius:11px;background:var(--soft);color:var(--muted);font-size:12px}.logic-list>div{padding:13px 0;border-bottom:1px solid var(--border)}.logic-list>div:last-child{border-bottom:0}.logic-list b{display:block;font-size:13px}.logic-list span{font-size:12px;color:var(--muted)}.plan-day{border:1px solid var(--border);border-radius:14px;padding:14px;margin-top:10px}.plan-day-head{display:flex;justify-content:space-between;font-weight:800}.plan-item{margin-top:8px;background:var(--soft);border-radius:10px;padding:9px;font-size:13px}.calendar-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}.calendar-head h2{margin:0;font-size:18px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.weekdays{color:var(--muted);font-size:11px;text-align:center;margin-bottom:6px}.cal-cell{min-height:100px;border:1px solid var(--border);border-radius:10px;padding:7px;background:var(--card);overflow:hidden}.cal-cell.today{outline:2px solid var(--accent)}.cal-cell.blank{background:var(--soft);opacity:.35}.cal-cell>b{font-size:12px}.cal-event{display:block;font-size:9px;padding:3px 5px;border-radius:5px;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cal-event.exam{background:#fee2e2;color:#be123c}.cal-event.task{background:#fef3c7;color:#a16207}.cal-event.study{background:#ede9fe;color:#6d28d9}.cal-event.rev{background:#dcfce7;color:#047857}.round-icon{width:38px;height:38px;flex:none;border-radius:11px;background:var(--soft);display:grid;place-items:center}.analytics-row{margin:15px 0}.install-banner{background:linear-gradient(135deg,#111a2e,#31206b);color:#fff;border-radius:18px;padding:17px;display:flex;align-items:center;justify-content:space-between;gap:15px}.install-banner p{margin:4px 0 0;color:#cbd5e1;font-size:12px}.install-banner .btn{background:#fff;color:#111a2e}.setting-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.switch-row{display:flex;justify-content:space-between;align-items:center;padding:11px 12px;border:1px solid var(--border);border-radius:11px;font-size:13px;font-weight:750}.switch-row input{width:18px;height:18px}.danger-card{border-color:#fecdd3}.danger-card h2{color:var(--danger);margin-top:0}.pom-note{margin-top:16px;padding:12px;background:var(--soft);border-radius:11px;color:var(--muted);font-size:12px}.modal-bg{position:fixed;z-index:100;inset:0;background:rgba(2,6,23,.55);display:grid;place-items:center;padding:16px}.modal{width:min(540px,100%);max-height:90vh;overflow:auto;background:var(--card);border:1px solid var(--border);border-radius:19px;padding:21px;box-shadow:0 25px 70px rgba(0,0,0,.25)}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.modal-head h2{margin:0;font-size:19px}.modal-foot{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.toast{position:fixed;z-index:120;bottom:25px;left:50%;transform:translateX(-50%);background:#111a2e;color:#fff;padding:11px 15px;border-radius:12px;font-size:13px;font-weight:700}.mobile-nav{display:none}
@media(max-width:900px){.stats{grid-template-columns:1fr 1fr}.two,.page-grid{grid-template-columns:1fr}.side{transform:translateX(-100%);transition:.2s}.side.open{transform:none}.main{margin-left:0;padding:88px 15px 85px}.mobile-nav{display:grid;position:fixed;z-index:45;bottom:0;inset-inline:0;height:65px;background:var(--nav);border-top:1px solid var(--border);grid-template-columns:repeat(5,1fr)}.mobile-nav button{background:none;color:var(--muted);font-size:10px;font-weight:800}.mobile-nav button.active{color:var(--accent)}.mobile-nav span{display:block;margin-top:3px}.hero h1{font-size:25px}.hero{align-items:start}.timer-display{font-size:62px}.install-banner{align-items:start;flex-direction:column}.cal-cell{min-height:85px}}
@media(max-width:520px){.stats{gap:10px}.card{padding:16px}.stat .num{font-size:23px}.hero{flex-direction:column}.planner-form,.form-grid,.pom-settings,.setting-grid{grid-template-columns:1fr}.timer-display{font-size:55px}.cal-cell{min-height:70px;padding:5px}.cal-event{font-size:8px}.quick-grid{grid-template-columns:1fr}}
.notes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.note-card{min-height:190px}.note-preview{white-space:pre-wrap;color:var(--muted);font-size:13px;line-height:1.7;max-height:130px;overflow:auto}.insight-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--border)}.insight-row:last-of-type{border-bottom:0}.round-icon{width:40px;height:40px;border-radius:11px;background:var(--soft);display:grid;place-items:center}.quick-add{position:fixed;right:24px;bottom:82px;z-index:35;width:54px;height:54px;border-radius:18px;background:var(--accent);color:white;font-size:25px;box-shadow:0 12px 30px rgba(0,0,0,.18)}
@media(max-width:700px){.notes-grid{grid-template-columns:1fr}.quick-add{right:16px;bottom:78px}}
/* Studora v3 enhancements */
.alert-card{display:flex;align-items:center;gap:12px;justify-content:space-between;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;padding:13px 16px;border-radius:15px;margin-bottom:15px}.dark .alert-card{background:#2a1b0d;border-color:#6b3d13;color:#fdba74}.insight{border-left:4px solid var(--accent)}.insight-title{font-size:13px;font-weight:900;color:var(--accent);margin-bottom:6px}.subtabs{display:flex;gap:6px;margin:-8px 0 15px;padding:4px;background:var(--soft);border-radius:13px;width:max-content;max-width:100%;overflow:auto}.subtab{border:0;background:transparent;color:var(--muted);font-weight:800;padding:8px 12px;border-radius:9px;white-space:nowrap}.subtab.active{background:var(--card);color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.06)}.round-icon{width:40px;height:40px;border-radius:12px;background:var(--soft);display:grid;place-items:center}.quick-add{position:fixed;right:22px;bottom:25px;z-index:60;width:54px;height:54px;border-radius:17px;background:var(--accent);color:white;font-size:26px;font-weight:900;box-shadow:0 12px 28px rgba(124,58,237,.3)}.notes-chip{margin-top:10px;border:1px solid var(--border);background:var(--soft);color:var(--text);border-radius:10px;padding:7px 10px;font-weight:800}.note-chapters{display:grid;gap:10px}.note-box{border:1px solid var(--border);border-radius:14px;padding:13px}.note-head{display:flex;justify-content:space-between;align-items:center}.note-preview{margin-top:10px;line-height:1.65;font-size:13px}.analytics-row{padding:12px 0;border-bottom:1px solid var(--border)}.insight-mini{margin-top:7px;font-size:12px;font-weight:800;color:#b45309}.dark .insight-mini{color:#fbbf24}.filterbar,.quick-buttons{display:flex;gap:7px;flex-wrap:wrap}.plan-day{border:1px solid var(--border);border-radius:14px;padding:14px;margin:10px 0}.plan-day-head{display:flex;justify-content:space-between;gap:10px;font-weight:850}.plan-item{margin-top:8px;background:var(--soft);border-radius:10px;padding:9px;font-size:13px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}.plan-item .mini{margin-left:auto}.calendar-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.weekhead,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.weekhead{margin:16px 0 6px}.weekhead span{font-size:11px;color:var(--muted);text-align:center;font-weight:800}.cal-day{min-height:68px;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:10px;padding:7px;text-align:left;display:flex;flex-direction:column;justify-content:space-between}.cal-day.today{outline:2px solid var(--accent);outline-offset:-2px}.cal-day span{font-size:12px;line-height:1.4}.legend{margin-top:12px;color:var(--muted);font-size:11px}.achievement-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.achievement{border:1px solid var(--border);border-radius:13px;padding:13px;text-align:center;display:grid;gap:7px;opacity:.42;font-size:12px}.achievement.earned{opacity:1;background:var(--soft);border-color:var(--accent)}.quick-grid.big{grid-template-columns:repeat(2,1fr)}.quick-grid.big button{min-height:58px;border:1px solid var(--border);background:var(--soft);color:var(--text);border-radius:13px;font-weight:850}.switch-row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px solid var(--border);font-weight:750}.switch-row input{width:19px;height:19px;accent-color:var(--accent)}.danger-card{border-color:#fecdd3}.danger-card h2{color:var(--danger)}
@media(max-width:700px){.quick-add{right:16px;bottom:78px}.achievement-grid{grid-template-columns:1fr 1fr}.cal-day{min-height:60px;padding:5px}.cal-day span{font-size:10px}.calendar-head h2{font-size:16px}.subtabs{width:100%}}
.editor-toolbar{display:flex;gap:5px;padding:7px;border:1px solid var(--border);border-bottom:0;border-radius:11px 11px 0 0;background:var(--soft)}.editor-toolbar button{padding:6px 9px;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:7px;font-weight:800}.rich-editor{min-height:260px;border:1px solid var(--border);border-radius:0 0 11px 11px;background:var(--card);color:var(--text);padding:13px;line-height:1.65;outline:none}.rich-editor:focus{border-color:var(--accent)}