:root{--navy:#10182c;--navy-2:#1d2740;--ink:#071735;--muted:#7a849f;--line:#e1e5ef;--bg:#f5f6fb;--white:#fff;--purple:#6558df;--purple-2:#8277ef;--soft:#eeecff;--green:#22a06b;--red:#d64b57;--shadow:0 12px 32px rgba(20,31,59,.07)}
*{box-sizing:border-box}html{font-size:16px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.45}button,input,select,textarea{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(101,88,223,.25);outline-offset:2px}
.sidebar{position:fixed;inset:0 auto 0 0;width:320px;background:var(--navy);color:#fff;padding:40px 25px;z-index:20;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;font-size:2rem;font-weight:800;letter-spacing:-1.5px}.brand>span:last-child span{color:#9c91ff}.brand-mark{display:inline-grid;place-items:center;width:45px;height:45px;border-radius:13px;background:linear-gradient(145deg,#7666ee,#5a4bd1);font-size:30px;font-weight:400}.profile-card{margin-top:42px;width:100%;display:flex;gap:15px;align-items:center;text-align:left;padding:18px;border:1px solid #303b55;border-radius:14px;background:var(--navy-2);color:#fff}.profile-card strong,.profile-card small{display:block}.profile-card small{color:#98a3bf;margin-top:3px}.avatar{width:43px;height:43px;flex:0 0 43px;border-radius:11px;display:inline-grid;place-items:center;background:#32405d;color:#dbe1f1}.nav-label{font-size:.78rem;letter-spacing:.14em;color:#7f8aa6;font-weight:700;margin:40px 16px 17px}.nav-item{display:flex;align-items:center;gap:16px;width:100%;height:60px;border:0;border-radius:12px;padding:0 18px;background:transparent;color:#9faac3;font-size:1.05rem;text-align:left;margin-bottom:6px;transition:.2s}.nav-item:hover{background:#19233b;color:#fff}.nav-item.active{background:var(--purple);color:#fff}.nav-item .icon{width:26px;font-size:1.45rem;text-align:center}.sidebar-level{margin-top:auto;border-top:1px solid #34405a;padding:30px 16px 0;display:flex;align-items:center;gap:17px}.sidebar-level strong,.sidebar-level small{display:block}.sidebar-level small{color:#99a4be;margin-top:2px}.level-shield{font-size:2rem;color:#aa9cff}.saved-note{color:#8692ad;font-size:.9rem;line-height:1.8;padding:8px 16px 0}.main{margin-left:320px;min-height:100vh}.topbar{height:108px;margin:0 6%;border-bottom:1px solid #e3e6ef;display:flex;align-items:center;justify-content:space-between;color:#827ca3}.topbar>div{display:flex;align-items:center;gap:26px}.topbar i{color:#d2d5e0}.topbar strong{color:var(--ink)}.device-save{font-size:.9rem}.device-save .avatar{border-radius:50%;background:#f0f0ff;color:#6d61d8;border:3px solid white;box-shadow:0 0 0 1px #d8ddeb}.page{padding:52px 6% 80px;max-width:1600px;margin:auto}.eyebrow{font-size:.78rem;color:#9186b4;letter-spacing:.14em;font-weight:800}.hero-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:18px 0 44px}.hero-row h1,.section-head h1{margin:0;font-size:2.55rem;letter-spacing:-.045em;line-height:1.1}.hero-row p,.section-head p{color:var(--muted);font-size:1.05rem;margin:14px 0 0}.date-pill{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 20px;white-space:nowrap}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 1px 0 rgba(15,23,42,.01)}.stat{padding:30px;min-height:220px}.stat-top{display:flex;justify-content:space-between;color:#76809b}.stat-icon{font-size:1.7rem;color:var(--purple-2)}.stat-value{font-size:2.7rem;font-weight:800;letter-spacing:-.04em;margin:22px 0}.stat-value small{font-size:.9rem;font-weight:500;color:#7c88a4}.progress-bar{height:8px;border-radius:99px;background:#e9eaf2;overflow:hidden}.progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--purple),#9588ff);transition:width .3s}.stat-foot{font-size:.83rem;color:#77809c;margin-top:14px}.tag{font-size:.74rem;color:#695cda;background:#efedff;border-radius:6px;padding:6px 8px;margin-left:8px;vertical-align:middle}.overview-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:28px;margin-top:34px}.program-card{padding:34px}.card-head,.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.card-head h2{font-size:1.35rem;margin:0}.card-head p{color:var(--muted);margin:5px 0}.link-btn,.ghost-btn{border:0;background:transparent;color:var(--purple);padding:8px}.subject-mini{display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:18px;padding:26px 0;border-bottom:1px solid #e7eaf1}.subject-mini:last-child{border-bottom:0}.subject-symbol{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;background:var(--soft);color:var(--purple);font-size:1.6rem}.subject-mini h3{margin:0 0 6px}.subject-mini p{margin:0;color:var(--muted);font-size:.9rem}.subject-progress{min-width:100px;text-align:right;font-weight:800}.focus-promo{padding:42px;background:#efefff;border-color:#d9d5ff;display:flex;flex-direction:column;justify-content:center}.focus-promo .timer-symbol{width:56px;height:56px;border:1px solid #d3ceff;border-radius:15px;display:grid;place-items:center;font-size:1.8rem;color:var(--purple)}.focus-promo h2{font-size:1.85rem;color:#2c3378;max-width:390px;margin:25px 0 10px}.focus-promo p{color:#7673a2}.primary-btn,.secondary-btn,.danger-btn{border:0;border-radius:11px;padding:12px 18px;font-weight:700}.primary-btn{background:var(--purple);color:#fff}.primary-btn:hover{background:#5548cf}.secondary-btn{background:var(--soft);color:var(--purple)}.danger-btn{background:#fff0f1;color:var(--red)}.section-head{margin-bottom:30px}.section-head-actions{display:flex;gap:10px}.empty{padding:55px 20px;text-align:center;color:var(--muted)}.empty-icon{font-size:2.4rem}.empty h3{color:var(--ink);margin:15px 0 5px}.subjects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.subject-card{padding:25px;position:relative}.subject-color{height:6px;border-radius:10px;margin:-10px 0 22px}.subject-card h3{font-size:1.2rem;margin:0}.subject-card p{color:var(--muted);font-size:.9rem}.subject-card .card-actions{display:flex;gap:8px;margin-top:20px}.chapters{margin-top:18px}.chapter{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid #edf0f5}.chapter input{accent-color:var(--purple);width:18px;height:18px}.chapter span{flex:1}.chapter.done span{text-decoration:line-through;color:#8d95aa}.icon-btn{border:0;background:#f3f4f8;color:#6f7890;border-radius:8px;padding:7px 10px}.icon-btn:hover{background:#e9eaf1}.task-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.task-list{padding:10px 26px}.task-item{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:15px;padding:18px 0;border-bottom:1px solid #edf0f5}.task-check{width:22px;height:22px;accent-color:var(--purple)}.task-item h3{margin:0;font-size:1rem}.task-item p{color:var(--muted);font-size:.82rem;margin:4px 0 0}.task-item.done h3{text-decoration:line-through;color:#8d95aa}.priority{font-size:.75rem;padding:5px 9px;border-radius:20px}.priority.high{background:#fff0f1;color:#c94451}.priority.medium{background:#fff6df;color:#a9770b}.priority.low{background:#eaf8f2;color:#1e8c62}.calendar-card{padding:24px}.calendar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.calendar-head h2{margin:0;font-size:1.15rem}.calendar-nav{display:flex;gap:6px}.calendar-nav button{border:0;background:#f2f3f8;border-radius:8px;padding:6px 10px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.cal-label,.cal-day{text-align:center;padding:8px 2px;font-size:.82rem}.cal-label{color:#8b94aa;font-weight:700}.cal-day{border-radius:9px;min-height:35px}.cal-day.has{background:#eeecff;color:#5c4fd3;font-weight:800}.cal-day.today{box-shadow:inset 0 0 0 2px var(--purple)}.cal-day.muted{color:#c5cad6}.planner-list{margin-top:22px}.planner-event{padding:12px 14px;background:#f7f7fb;border-left:4px solid var(--purple);border-radius:8px;margin:9px 0}.planner-event strong,.planner-event small{display:block}.planner-event small{color:var(--muted);margin-top:3px}.focus-shell{max-width:720px;margin:0 auto;text-align:center}.focus-card{padding:50px}.timer-ring{width:290px;height:290px;margin:25px auto;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--purple) var(--timer-progress,0%),#ececf4 0);position:relative}.timer-ring:after{content:"";position:absolute;inset:14px;background:#fff;border-radius:50%}.timer-display{position:relative;z-index:1;font-size:4rem;font-weight:800;letter-spacing:-.06em}.timer-label{position:relative;z-index:1;color:var(--muted)}.duration-options{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:25px 0}.duration-btn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 14px}.duration-btn.active{color:var(--purple);border-color:#a69cff;background:var(--soft)}.timer-actions{display:flex;justify-content:center;gap:10px}.progress-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}.progress-card{padding:30px}.progress-card h2{margin-top:0}.big-level{display:flex;align-items:center;gap:25px}.level-orb{width:100px;height:100px;border-radius:28px;background:linear-gradient(145deg,#7566ed,#5144c6);display:grid;place-items:center;color:#fff;font-size:2.5rem;font-weight:800;box-shadow:0 15px 30px rgba(101,88,223,.25)}.chart{display:flex;align-items:end;height:210px;gap:12px;padding-top:20px}.bar-wrap{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px}.bar{width:100%;max-width:44px;background:linear-gradient(#8b7ff2,#6558df);border-radius:7px 7px 3px 3px;min-height:4px}.bar-wrap small{color:var(--muted)}.achievement-list{display:grid;gap:12px}.achievement{display:flex;gap:15px;align-items:center;padding:15px;background:#f7f7fb;border-radius:12px}.achievement.locked{opacity:.48}.achievement-icon{font-size:1.7rem}.achievement strong,.achievement small{display:block}.achievement small{color:var(--muted)}.modal-backdrop{position:fixed;inset:0;background:rgba(4,10,25,.55);display:grid;place-items:center;padding:20px;z-index:100}.modal-backdrop[hidden]{display:none}.modal{width:min(520px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:20px;padding:30px;position:relative;box-shadow:0 25px 80px rgba(0,0,0,.22)}.modal h2{margin:0 0 22px}.modal-close{position:absolute;right:18px;top:16px;border:0;background:#f1f2f6;border-radius:50%;width:34px;height:34px;font-size:1.4rem}.field{margin-bottom:16px}.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid #dce0ea;border-radius:10px;padding:11px 12px;background:#fff}.field textarea{min-height:90px;resize:vertical}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.toast{position:fixed;right:25px;bottom:25px;background:var(--navy);color:#fff;padding:13px 18px;border-radius:10px;transform:translateY(30px);opacity:0;pointer-events:none;transition:.25s;z-index:120}.toast.show{transform:none;opacity:1}.mobile-header{display:none}
@media(max-width:1180px){.sidebar{width:270px}.main{margin-left:270px}.stats{grid-template-columns:repeat(2,1fr)}.subjects-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.sidebar{transform:translateX(-100%);transition:.25s;width:min(310px,88vw)}.sidebar.open{transform:none}.main{margin-left:0;padding-top:70px}.mobile-header{position:fixed;inset:0 0 auto 0;height:70px;padding:0 18px;background:var(--navy);color:white;z-index:15;display:flex;align-items:center;justify-content:space-between}.mobile-header .brand{font-size:1.3rem}.mobile-header .brand-mark{width:35px;height:35px;font-size:22px}.mobile-header button{border:0;background:transparent;color:#fff;font-size:1.5rem}.mobile-header .avatar{width:35px;height:35px;flex-basis:35px}.topbar{display:none}.page{padding:32px 18px 60px}.hero-row{align-items:flex-start;flex-direction:column;margin-bottom:28px}.hero-row h1,.section-head h1{font-size:2rem}.stats,.subjects-grid,.overview-grid,.task-layout,.progress-layout{grid-template-columns:1fr}.stat{min-height:180px}.section-head{flex-direction:column}.section-head-actions{width:100%}.section-head-actions button{flex:1}.subject-mini{grid-template-columns:48px 1fr auto}.subject-symbol{width:48px;height:48px}.focus-card{padding:28px 15px}.timer-ring{width:240px;height:240px}.timer-display{font-size:3.2rem}}
@media(max-width:440px){.stats{gap:14px}.stat{padding:22px}.program-card{padding:22px}.subject-progress{min-width:auto}.date-pill{font-size:.85rem}.task-list{padding:8px 16px}.task-item{grid-template-columns:auto 1fr}.task-item .priority{grid-column:2}.calendar-card{padding:18px}.cal-day{padding:7px 0}.modal{padding:25px 20px}}