@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');
:root{--bg:#f7f8fc;--surface:#fff;--text:#171827;--muted:#707489;--border:#e8e9f0;--primary:#6956e8;--primary2:#8878f2;--success:#28a66f;--warning:#f29a3d;--danger:#e65b68;--shadow:0 14px 45px rgba(38,32,80,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif}a{text-decoration:none;color:inherit}button,input,select{font:inherit}button{cursor:pointer}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px}.brand b{color:var(--primary)}.brand-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--primary),#9b8cff);font-family:'Space Grotesk';box-shadow:0 8px 20px rgba(105,86,232,.25)}
.topbar{height:74px;padding:0 6%;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.8);backdrop-filter:blur(12px);position:relative;z-index:2}.top-actions{display:flex;align-items:center;gap:12px}.btn{border:0;border-radius:11px;padding:11px 17px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:9px;transition:.2s}.btn:hover{transform:translateY(-1px)}.btn-primary{color:#fff;background:var(--primary);box-shadow:0 8px 20px rgba(105,86,232,.22)}.btn-outline{border:1px solid var(--border);background:var(--surface)}.btn-soft{background:#f0eeff;color:var(--primary)}.btn-lg{padding:14px 21px}.btn-full{width:100%}.theme-btn{width:40px;height:40px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text)}
.hero{max-width:1180px;margin:0 auto;padding:85px 25px 105px;display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.hero-copy h1{font:700 clamp(48px,6vw,76px)/1.02 'Space Grotesk';letter-spacing:-3px;margin:16px 0 24px}.hero-copy h1 span{color:var(--primary)}.hero-copy p{font-size:18px;line-height:1.7;color:var(--muted);max-width:590px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:1.5px;color:var(--primary)}.hero-actions{display:flex;align-items:center;gap:25px;margin-top:30px}.text-link{color:var(--primary);font-weight:700}.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:35px;color:#73758a;font-size:13px}.hero-visual{position:relative;min-height:480px;display:grid;place-items:center}.orb{position:absolute;border-radius:50%;filter:blur(1px);opacity:.4}.orb-a{width:330px;height:330px;background:#d9d3ff;top:20px;right:20px}.orb-b{width:210px;height:210px;background:#cfeaff;bottom:30px;left:20px}.preview-card{width:min(100%,430px);position:relative;background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.8);border-radius:24px;padding:25px;box-shadow:0 30px 70px rgba(64,53,120,.18);backdrop-filter:blur(20px)}.preview-head,.plan-title,.mini-task{display:flex;align-items:center;justify-content:space-between}.preview-head small,.mini-task small,.mini-stats small{display:block;color:var(--muted)}.preview-head h3{margin:4px 0;font:600 22px 'Space Grotesk'}.mini-avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#eeeaff;color:var(--primary);font-weight:800}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}.mini-stats>div{background:#f7f7fb;padding:13px;border-radius:13px}.mini-stats b{font-size:18px}.mini-stats small{font-size:11px;margin-top:4px}.mini-plan{border:1px solid var(--border);border-radius:16px;padding:16px}.plan-title{font-size:13px;margin-bottom:9px}.plan-title span{color:var(--primary)}.mini-task{justify-content:flex-start;gap:10px;padding:12px 0;border-top:1px solid var(--border)}.mini-task>div{flex:1}.mini-task b,.mini-task small{font-size:12px}.mini-task time{font-size:11px;color:var(--muted)}.dot,.task-dot{width:9px;height:9px;border-radius:50%;display:block}.purple{background:#806df0}.blue{background:#4d9df5}.green{background:#39b981}.ai-tip{margin-top:15px;background:#f0eeff;color:#5142b7;padding:12px;border-radius:12px;font-size:12px}.feature-section{background:var(--surface);padding:90px 6%}.section-heading{text-align:center;max-width:700px;margin:0 auto 45px}.section-heading h2{font:700 40px 'Space Grotesk';margin:10px 0}.section-heading p{color:var(--muted)}.feature-grid{max-width:1100px;margin:auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-card{padding:26px;border:1px solid var(--border);border-radius:18px;background:var(--surface);transition:.2s}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.feature-card h3{font-family:'Space Grotesk'}.feature-card p{color:var(--muted);line-height:1.6;font-size:14px}.feature-icon,.stat-icon{width:43px;height:43px;border-radius:13px;display:grid;place-items:center;font-weight:800}.purple-bg{background:#efedff;color:#6856e5}.blue-bg{background:#e8f3ff;color:#3b8fe8}.green-bg{background:#e8f8f1;color:#249a68}.orange-bg{background:#fff1e5;color:#df8731}footer{text-align:center;padding:30px;color:var(--muted);font-size:13px}
.auth-body{min-height:100vh;background:radial-gradient(circle at 20% 20%,#eeeaff,transparent 35%),var(--bg)}.auth-brand{position:absolute;top:28px;left:5%}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:90px 20px}.auth-card{width:min(100%,450px);background:var(--surface);border:1px solid var(--border);border-radius:22px;padding:38px;box-shadow:var(--shadow)}.auth-card h1{font:700 34px 'Space Grotesk';margin:10px 0}.auth-card>p{color:var(--muted);line-height:1.5}.auth-card form{display:grid;gap:17px;margin-top:25px}.auth-card label,.form-grid label{font-size:13px;font-weight:700;display:grid;gap:8px}.auth-card input,.form-grid input,.form-grid select,.planner-subject input,.planner-subject select,.modal-card input,.modal-card select{width:100%;padding:12px 13px;border:1px solid var(--border);border-radius:10px;outline:none;background:var(--surface);color:var(--text)}input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(105,86,232,.1)}.auth-divider{text-align:center;color:var(--muted);margin:20px}.auth-foot{text-align:center!important;font-size:13px}.auth-foot a{color:var(--primary);font-weight:700}
.app-body{display:flex;min-height:100vh}.sidebar{width:245px;background:var(--surface);border-right:1px solid var(--border);padding:25px 16px;position:fixed;inset:0 auto 0 0}.side-brand{padding:0 10px 35px}.sidebar nav{display:grid;gap:5px}.sidebar nav small{font-size:10px;letter-spacing:1.3px;color:#a1a3b0;margin:18px 10px 6px}.sidebar nav a{padding:12px 13px;border-radius:11px;color:#747689;font-weight:600;font-size:14px;display:flex;gap:13px;align-items:center}.sidebar nav a.active,.sidebar nav a:hover{background:#f0eeff;color:var(--primary)}.app-main{margin-left:245px;width:calc(100% - 245px);padding:30px 4.5%;max-width:1500px}.app-top{display:flex;justify-content:space-between;align-items:center}.app-top h1{font:700 28px 'Space Grotesk';margin:5px 0}.mobile-menu{display:none}.user-chip{display:flex;align-items:center;gap:9px}.welcome-row{display:flex;justify-content:space-between;align-items:center;margin:20px 0 24px}.muted{color:var(--muted);font-size:13px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.stat-card,.panel{background:var(--surface);border:1px solid var(--border);border-radius:17px;padding:20px;box-shadow:0 5px 25px rgba(40,35,80,.03)}.stat-card{position:relative}.stat-icon{position:absolute;right:18px;top:18px}.stat-card small{display:block;color:var(--muted);font-size:12px;margin-bottom:8px}.stat-card strong{font:700 27px 'Space Grotesk'}.stat-card p{margin:5px 0 0}.progress{height:7px;background:#ececf2;border-radius:10px;overflow:hidden;margin-top:11px}.progress i{display:block;height:100%;border-radius:10px;background:linear-gradient(90deg,var(--primary),#9b8cff)}.content-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;margin-bottom:20px}.panel{margin-bottom:20px}.panel h2{font:600 19px 'Space Grotesk';margin:0}.panel h3{font-family:'Space Grotesk'}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.task-list{display:grid}.task-row{display:flex;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid var(--border)}.task-row:last-child{border-bottom:0}.task-row input{accent-color:var(--primary)}.task-row>div{flex:1}.task-row b,.task-row small{display:block}.task-row small{color:var(--muted);font-size:12px;margin-top:3px}.task-row time{font-size:11px;color:var(--muted)}.task-row.done b,.task-row.done small{text-decoration:line-through;opacity:.55}.ai-panel{background:linear-gradient(145deg,#f2efff,#fff);border-color:#e4e0ff}.ai-panel h2{margin:15px 0 8px}.ai-panel p{color:#68687a;line-height:1.7;font-size:14px}.exam-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.exam-card{padding:18px;border:1px solid var(--border);border-radius:14px}.exam-card span,.exam-card small,.exam-card time{display:block}.exam-card span{font-weight:700}.exam-card b{font:700 35px 'Space Grotesk';display:inline-block;margin-top:10px;color:var(--primary)}.exam-card small{color:var(--muted);font-size:11px}.exam-card time{margin-top:10px;font-size:12px;color:var(--muted)}
.planner-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:18px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.panel-subhead{display:flex;align-items:center;justify-content:space-between;margin:25px 0 12px}.planner-subject{display:grid;grid-template-columns:1.5fr .9fr .7fr 1fr 35px;gap:8px;margin-bottom:10px}.icon-btn,.modal-close{border:0;background:transparent;font-size:22px;color:var(--muted)}.empty-state{text-align:center;padding:70px 20px;color:var(--muted)}.empty-state>span{font-size:35px;color:var(--primary)}.empty-state h3{color:var(--text)}.generated-item{padding:14px;border:1px solid var(--border);border-radius:12px;margin-bottom:10px;display:flex;align-items:center;gap:12px}.generated-item div{flex:1}.generated-item small{display:block;color:var(--muted);margin-top:3px}
.subject-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.subject-card{background:var(--surface);border:1px solid var(--border);border-radius:17px;padding:20px}.subject-card header{display:flex;justify-content:space-between}.subject-card h3{font:600 18px 'Space Grotesk';margin:0}.difficulty{font-size:10px;padding:5px 8px;border-radius:20px;background:#efedff;color:var(--primary)}.subject-card .big-progress{font:700 30px 'Space Grotesk';margin:20px 0 5px}.subject-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.subject-card .card-actions{display:flex;gap:8px;margin-top:18px}.card-actions button{flex:1}.modal{position:fixed;inset:0;background:rgba(20,18,35,.4);display:grid;place-items:center;padding:20px;z-index:10}.hidden{display:none}.modal-card{background:var(--surface);border-radius:20px;padding:28px;width:min(100%,470px);position:relative}.modal-close{position:absolute;right:17px;top:13px}.modal-card form{display:grid;gap:14px;margin-top:20px}.modal-card label{display:grid;gap:7px;font-size:13px;font-weight:700}.tabs{display:flex;gap:7px;margin-bottom:15px}.tab{border:0;background:#f4f4f8;padding:9px 14px;border-radius:9px;color:var(--muted);font-weight:700}.tab.active{background:#efedff;color:var(--primary)}.progress-list{display:grid;gap:22px}.progress-list>div>div:first-child{display:flex;justify-content:space-between;font-size:13px;margin-bottom:7px}.bar-chart{height:250px;display:flex;align-items:end;justify-content:space-around;gap:15px;padding-top:25px}.bar-chart>div{height:100%;display:flex;flex-direction:column;justify-content:end;align-items:center;gap:8px;flex:1}.bar-chart i{display:block;width:30px;max-width:80%;border-radius:8px 8px 3px 3px;background:linear-gradient(180deg,#8d7df0,var(--primary))}.bar-chart small{color:var(--muted)}.settings-panel{max-width:800px}.setting-row{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding:20px 0;margin-top:15px}.setting-row p{margin:5px 0;color:var(--muted);font-size:13px}.status-badge{font-size:11px;padding:7px 10px;border-radius:20px;background:#e8f8f1;color:#208d61;font-weight:700}
body.dark{--bg:#11121a;--surface:#191a25;--text:#f4f3fa;--muted:#a4a5b4;--border:#2b2c39;--shadow:0 14px 45px rgba(0,0,0,.25)}body.dark .topbar{background:rgba(25,26,37,.85)}body.dark .mini-stats>div,body.dark .ai-panel{background:#20202d}body.dark .sidebar nav a.active,body.dark .sidebar nav a:hover,body.dark .btn-soft{background:#292642}body.dark .feature-section{background:var(--surface)}
@media(max-width:1050px){.hero{grid-template-columns:1fr}.hero-visual{min-height:430px}.feature-grid{grid-template-columns:repeat(2,1fr)}.stat-grid{grid-template-columns:repeat(2,1fr)}.subject-grid{grid-template-columns:repeat(2,1fr)}.planner-layout,.content-grid{grid-template-columns:1fr}}
@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:.25s;z-index:20}.sidebar.open{transform:translateX(0)}.app-main{margin-left:0;width:100%;padding:22px 18px}.mobile-menu{display:block;border:0;background:var(--surface);color:var(--text);font-size:20px;margin-right:10px}.app-top{align-items:flex-start}.app-top>div:first-of-type{flex:1}.app-top h1{font-size:22px}.user-chip b{display:none}.hero{padding:55px 20px 70px}.hero-copy h1{font-size:48px;letter-spacing:-2px}.hero-actions{flex-wrap:wrap}.feature-grid,.subject-grid,.exam-grid,.stat-grid{grid-template-columns:1fr}.planner-subject{grid-template-columns:1fr 1fr 1fr 35px}.planner-subject .p-name{grid-column:1/-1}.planner-subject .p-date{grid-column:1/4}.topbar{padding:0 20px}.topbar .btn-outline{display:none}.trust-row{flex-direction:column;gap:8px}.form-grid{grid-template-columns:1fr}.preview-card{width:95%}.auth-card{padding:28px 22px}.auth-brand{left:20px}.section-heading h2{font-size:32px}}