:root{--bg:#f7f5ef;--bg-elev:#fdfbf5;--bg-sunk:#efece3;--fg:#14130f;--fg-muted:#6b665a;--fg-soft:#908a7c;--border:#e5dfd1;--border-strong:#cfc7b3;--accent:oklch(58% .15 32);--accent-ink:#fff;--accent-wash:oklch(94% .04 60);--success:oklch(55% .08 150);--success-wash:oklch(94% .03 150);--danger:oklch(52% .14 25);--danger-wash:oklch(94% .03 25);--shadow-sm:0 1px 0 #14130f0a;--shadow-md:0 4px 16px -8px #14130f1f;--shadow-lg:0 16px 48px -12px #14130f2e;--font-serif:"Instrument Serif", "GT Sectra", "Times New Roman", serif;--font-sans:"Geist", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"Geist Mono", "JetBrains Mono", ui-monospace, monospace;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-pill:999px;--sidebar-width:248px}[data-theme=dark]{--bg:#14130f;--bg-elev:#1c1a15;--bg-sunk:#100f0c;--fg:#f3eedd;--fg-muted:#a39d8c;--fg-soft:#6b665a;--border:#2a271f;--border-strong:#3d392e;--accent:oklch(72% .14 50);--accent-ink:#14130f;--accent-wash:oklch(28% .06 50);--success:oklch(70% .1 150);--success-wash:oklch(25% .04 150);--danger:oklch(65% .14 25);--danger-wash:oklch(25% .04 25);--shadow-md:0 4px 16px -8px #00000080;--shadow-lg:0 16px 48px -12px #0009}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--fg);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;min-height:100vh;font-size:15px;line-height:1.5;overflow-x:hidden}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}a{color:inherit;text-decoration:none}.serif{font-family:var(--font-serif);letter-spacing:-.01em;font-weight:400}.mono{font-family:var(--font-mono)}.app-shell{grid-template-columns:var(--sidebar-width) 1fr;min-height:100vh;display:grid}.guest-shell{flex-direction:column;min-height:100vh;display:flex}.guest-nav{z-index:50;background:var(--bg);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;height:56px;padding:0 40px;display:flex;position:sticky;top:0}.guest-nav-logo{font-family:var(--font-serif);color:var(--accent);font-size:22px;text-decoration:none}.guest-nav-actions{align-items:center;gap:8px;display:flex}.guest-home-wrap{width:100%;max-width:1100px;margin:0 auto;padding:0 40px}.sidebar{border-right:1px solid var(--border);background:var(--bg);z-index:10;flex-direction:column;gap:18px;height:100vh;padding:20px 14px;display:flex;position:sticky;top:0;overflow-y:auto}.brand{align-items:center;gap:8px;padding:4px 8px;text-decoration:none;display:flex}.brand-mark{font-family:var(--font-serif);color:var(--fg);font-size:26px;line-height:1}.brand-mark em{color:var(--accent);font-style:italic}.brand-tag{letter-spacing:.16em;text-transform:uppercase;color:var(--fg-muted);font-size:10px;line-height:1.3}.role-badge{border-radius:var(--radius-pill);letter-spacing:.06em;text-transform:uppercase;align-items:center;gap:6px;padding:5px 12px;font-size:11px;font-weight:600;display:inline-flex}.role-badge.student{background:var(--bg-sunk);color:var(--fg-muted);border:1px solid var(--border)}.role-badge.tutor{background:var(--accent-wash);color:var(--fg);border:1px solid #0000}.nav-section-label{letter-spacing:.16em;text-transform:uppercase;color:var(--fg-soft);padding:10px 10px 4px;font-size:10px}.nav-item{border-radius:var(--radius-sm);color:var(--fg-muted);text-align:left;background:0 0;border:0;align-items:center;gap:10px;width:100%;padding:8px 10px;font-size:14px;text-decoration:none;transition:all .12s;display:flex}.nav-item:hover{background:var(--bg-sunk);color:var(--fg)}.nav-item.active{background:var(--bg-elev);color:var(--fg);border:1px solid var(--border);font-weight:500}.nav-item .nav-badge{background:var(--accent);color:var(--accent-ink);border-radius:var(--radius-pill);margin-left:auto;padding:1px 7px;font-size:11px;font-weight:500}.sidebar-foot{border-top:1px solid var(--border);align-items:center;gap:10px;margin-top:auto;padding:12px 10px;display:flex}.main{background:var(--bg);min-height:100vh}.page{max-width:1200px;padding:36px 48px 80px}.page-header{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:32px;display:flex}.page-title{font-family:var(--font-serif);letter-spacing:-.015em;font-size:clamp(36px,4vw,56px);line-height:1}.page-title em{color:var(--accent)}.page-sub{color:var(--fg-muted);max-width:56ch;margin-top:8px;font-size:15px}.eyebrow{letter-spacing:.18em;text-transform:uppercase;color:var(--fg-muted);margin-bottom:6px;font-size:11px}.btn{border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--fg);cursor:pointer;white-space:nowrap;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:500;transition:all .12s;display:inline-flex;position:relative;overflow:hidden}.btn:hover{background:var(--bg-sunk)}.btn-primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}.btn-primary:hover{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn-primary:before{content:"";background:linear-gradient(90deg,#0000,#ffffff29,#0000);width:60%;height:100%;transition:left .5s;position:absolute;top:0;left:-120%}.btn-primary:hover:before{left:130%}.btn-accent{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn-accent:hover{filter:brightness(.92)}.btn-ghost{background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--bg-sunk)}.btn-danger{background:var(--danger-wash);color:var(--danger);border-color:#0000}.btn-danger:hover{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:13px 24px;font-size:15px}.btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.icon-btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-elev);width:34px;height:34px;color:var(--fg-muted);cursor:pointer;place-items:center;transition:all .12s;display:grid}.icon-btn:hover{color:var(--fg);border-color:var(--border-strong)}.avatar{font-weight:600;font-family:var(--font-sans);background:var(--accent);color:var(--accent-ink);border-radius:999px;flex-shrink:0;place-items:center;display:grid}.avatar-xs{width:24px;height:24px;font-size:10px}.avatar-sm{width:32px;height:32px;font-size:13px}.avatar-md{width:48px;height:48px;font-size:18px}.avatar-lg{width:80px;height:80px;font-size:28px}.avatar-xl{width:110px;height:110px;font-size:38px}.avatar-c1{background:oklch(65% .13 60)}.avatar-c2{background:oklch(60% .13 200)}.avatar-c3{background:oklch(55% .13 290)}.avatar-c4{background:oklch(62% .13 145)}.avatar-c5{background:oklch(58% .14 10)}.avatar-c6{background:oklch(60% .13 340)}.avatar-c7{background:oklch(62% .12 100)}.avatar-c8{background:oklch(55% .13 260)}.input{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-elev);color:var(--fg);outline:none;width:100%;padding:10px 14px;font-family:inherit;font-size:14px;transition:border-color .12s}.input:focus{border-color:var(--fg-muted)}.input::placeholder{color:var(--fg-soft)}.search-bar{align-items:center;display:flex;position:relative}.search-bar svg{color:var(--fg-muted);pointer-events:none;position:absolute;left:14px}.search-bar input{padding-left:42px}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--fg-muted);font-size:13px;font-weight:500}.form-hint{color:var(--fg-soft);font-size:12px}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--bg-elev);color:var(--fg-muted);cursor:pointer;align-items:center;gap:6px;padding:5px 12px;font-size:12px;font-weight:500;transition:all .12s;display:inline-flex}.chip:hover{color:var(--fg);border-color:var(--border-strong)}.chip.active{background:var(--fg);color:var(--bg);border-color:var(--fg)}.chip-dot{background:var(--fg-soft);border-radius:999px;width:6px;height:6px}.chip.math .chip-dot,.chip.maths .chip-dot{background:oklch(65% .14 60)}.chip.english .chip-dot{background:oklch(60% .14 350)}.chip.science .chip-dot{background:oklch(62% .13 145)}.chip.physics .chip-dot{background:oklch(62% .13 200)}.chip.biology .chip-dot{background:oklch(62% .13 145)}.chip.chemistry .chip-dot{background:oklch(65% .14 90)}.chip.computing .chip-dot{background:oklch(60% .13 260)}.chip.commerce .chip-dot{background:oklch(65% .14 50)}.chip.history .chip-dot{background:oklch(58% .13 25)}.chip.pdhpe .chip-dot{background:oklch(60% .14 160)}.pill{border-radius:var(--radius-pill);white-space:nowrap;background:var(--bg-sunk);color:var(--fg-muted);border:1px solid var(--border);align-items:center;gap:5px;padding:3px 10px;font-size:11px;font-weight:500;display:inline-flex}.pill.subject{background:var(--accent-wash);color:var(--fg);border-color:#0000}.pill-default{background:var(--bg-sunk);color:var(--fg-muted);border:1px solid var(--border)}.pill-success{background:var(--success-wash);color:var(--success)}.pill-accent{background:var(--accent-wash);color:var(--fg)}.pill-danger{background:var(--danger-wash);color:var(--danger)}.pill-dot{background:currentColor;border-radius:999px;width:5px;height:5px}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg)}.card-p{padding:22px}.card-p-lg{padding:28px}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;display:grid}.stat-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px}.stat-val{font-family:var(--font-serif);letter-spacing:-.01em;font-size:38px;line-height:1}.stat-key{letter-spacing:.14em;text-transform:uppercase;color:var(--fg-muted);margin-top:6px;font-size:11px}.stat-delta{color:var(--success);margin-top:4px;font-size:12px}.tutor-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;display:grid}.tutor-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;text-align:left;color:var(--fg);flex-direction:column;gap:14px;padding:22px;transition:all .15s;animation:.4s backwards fadeUp;display:flex}.tutor-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);transform:translateY(-2px)}.tutor-card-head{align-items:center;gap:14px;display:flex}.tutor-card-name{font-family:var(--font-serif);font-size:22px;line-height:1.1}.tutor-card-meta{color:var(--fg-muted);margin-top:3px;font-size:12px}.tutor-card-bio{color:var(--fg-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.5;display:-webkit-box;overflow:hidden}.tutor-card-foot{border-top:1px dashed var(--border);justify-content:space-between;align-items:center;padding-top:12px;display:flex}.next-slot-label{letter-spacing:.14em;text-transform:uppercase;color:var(--fg-soft);margin-bottom:2px;font-size:10px;display:block}.next-slot-val{font-size:12px;font-weight:500}.avail-dot{color:var(--success);align-items:center;gap:5px;font-size:11px;display:inline-flex}.avail-dot:before{content:"";background:var(--success);border-radius:999px;width:6px;height:6px}.lecture-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;display:grid}.lecture-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;flex-direction:column;transition:all .15s;animation:.4s backwards fadeUp;display:flex;overflow:hidden}.lecture-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);transform:translateY(-2px)}.lecture-thumb{aspect-ratio:16/9;background:var(--bg-sunk);place-items:center;display:grid;position:relative;overflow:hidden}.lecture-thumb-overlay{opacity:0;background:#00000040;place-items:center;transition:opacity .2s;display:grid;position:absolute;inset:0}.lecture-card:hover .lecture-thumb-overlay{opacity:1}.play-btn{width:52px;height:52px;color:var(--fg);background:#ffffffeb;border-radius:999px;place-items:center;display:grid}.lecture-thumb-subject{width:100%;height:100%;font-family:var(--font-serif);color:var(--fg-soft);opacity:.3;place-items:center;font-size:72px;display:grid}.lecture-body{flex-direction:column;flex:1;gap:6px;padding:16px 18px;display:flex}.lecture-title{font-size:15px;font-weight:600;line-height:1.3}.lecture-meta{color:var(--fg-muted);align-items:center;gap:10px;margin-top:4px;font-size:12px;display:flex}.lecture-desc{color:var(--fg-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.5;display:-webkit-box;overflow:hidden}.calendar{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.cal-head{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.cal-head h3{font-family:var(--font-serif);font-size:22px}.cal-nav{align-items:center;gap:4px;display:flex}.cal-grid{grid-template-columns:44px repeat(7,1fr);display:grid}.cal-day-head{text-align:center;border-bottom:1px solid var(--border);letter-spacing:.12em;text-transform:uppercase;color:var(--fg-muted);padding:10px 0;font-size:11px}.cal-day-head .dom{font-family:var(--font-serif);color:var(--fg);letter-spacing:0;text-transform:none;margin-top:2px;font-size:20px;display:block}.cal-day-head.today .dom{color:var(--accent)}.cal-time{border-right:1px solid var(--border);text-align:right;font-size:10px;font-family:var(--font-mono);color:var(--fg-soft);height:44px;padding-right:6px;position:relative;top:-6px}.cal-cell{border-right:1px solid var(--border);border-bottom:1px solid var(--border);height:44px;padding:0;position:relative}.cal-cell:last-child{border-right:0}.cal-slot{border-radius:var(--radius-sm);background:var(--success-wash);border:1px solid var(--success);color:var(--success);cursor:pointer;place-items:center;font-size:10px;font-weight:500;transition:all .1s;display:grid;position:absolute;inset:2px 3px}.cal-slot:hover{background:var(--success);color:var(--bg)}.cal-slot.selected{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.cal-slot.booked{background:var(--bg-sunk);border:1px dashed var(--border-strong);color:var(--fg-soft);cursor:not-allowed}.session-list{flex-direction:column;gap:10px;display:flex}.session-row{border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg);grid-template-columns:60px 1fr auto auto;align-items:center;gap:16px;padding:14px 16px;transition:border-color .12s;display:grid}.session-row:hover{border-color:var(--border-strong)}.session-date{text-align:center;border-right:1px solid var(--border);padding-right:14px}.session-date .dow{letter-spacing:.14em;text-transform:uppercase;color:var(--fg-muted);font-size:10px}.session-date .dom{font-family:var(--font-serif);font-size:28px;line-height:1}.session-info .who{font-size:14px;font-weight:500}.session-info .what{color:var(--fg-muted);margin-top:2px;font-size:12px}.session-time{font-family:var(--font-mono);white-space:nowrap;font-size:13px}.session-row.past{opacity:.55}.profile-grid{grid-template-columns:1.3fr 1fr;align-items:start;gap:24px;display:grid}.book-panel{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;position:sticky;top:24px}.book-panel h4{font-family:var(--font-serif);margin-bottom:8px;font-size:22px}.book-row{border-top:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 0;font-size:14px;display:flex}.book-row .k{color:var(--fg-muted);font-size:12px}.book-row .v{font-weight:500}.book-empty{color:var(--fg-muted);padding:16px 0;font-size:13px;font-style:italic}.confirm-wrap{text-align:center;max-width:580px;margin:48px auto}.confirm-icon{background:var(--success-wash);width:80px;height:80px;color:var(--success);border-radius:999px;place-items:center;margin:0 auto 20px;display:grid}.confirm-lead{color:var(--fg-muted);margin-bottom:32px;font-size:16px}.divider{background:var(--border);border:0;height:1px;margin:24px 0}.empty-state{text-align:center;color:var(--fg-muted);border:1px dashed var(--border);border-radius:var(--radius-lg);padding:56px 20px}.empty-state svg{opacity:.3;margin-bottom:12px}.kv-list{flex-direction:column;display:flex}.kv-row{border-top:1px solid var(--border);grid-template-columns:100px 1fr;padding:10px 0;font-size:14px;display:grid}.kv-row .k{color:var(--fg-muted);letter-spacing:.04em;text-transform:uppercase;font-size:12px}.avail-grid{grid-template-columns:44px repeat(7,1fr);display:grid}.avail-cell{border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg);cursor:pointer;height:36px;transition:background .1s}.avail-cell:hover{background:var(--bg-sunk)}.avail-cell.on{background:var(--success-wash)}.avail-cell.on:hover{background:var(--success)}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#14130f73;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:540px;box-shadow:var(--shadow-lg);padding:32px;animation:.22s cubic-bezier(.2,.7,.2,1) modal-in}.modal-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;display:flex}.modal h3{font-family:var(--font-serif);font-size:28px;line-height:1.1}.auth-page{background:var(--bg);place-items:center;min-height:calc(100vh - 56px);padding:24px;display:grid}.auth-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:440px;box-shadow:var(--shadow-md);padding:40px}.auth-card .brand{justify-content:center;margin-bottom:28px}.auth-title{font-family:var(--font-serif);text-align:center;margin-bottom:6px;font-size:32px}.auth-sub{color:var(--fg-muted);text-align:center;margin-bottom:28px;font-size:14px}.auth-switch{text-align:center;color:var(--fg-muted);margin-top:20px;font-size:13px}.auth-switch a{color:var(--fg);text-underline-offset:2px;font-weight:500;text-decoration:underline}.pub-nav{z-index:50;background:color-mix(in oklch, var(--bg) 90%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0}.pub-nav-inner{align-items:center;gap:32px;max-width:1200px;margin:0 auto;padding:16px 32px;display:flex}.pub-nav-links{flex:1;gap:28px;margin-left:16px;display:flex}.pub-nav-links a{color:var(--fg-muted);font-size:14px;transition:color .12s}.pub-nav-links a:hover{color:var(--fg)}.pub-nav-cta{gap:8px;margin-left:auto;display:flex}.home-hero{isolation:isolate;max-width:1200px;margin:0 auto;padding:80px 32px 60px;position:relative}.home-hero>*{z-index:1;position:relative}.home-hero .bg-canvas,.home-hero .hero-glow{z-index:0;position:absolute}.hero-glow{background:radial-gradient(circle at 50% 50%, color-mix(in oklch, var(--accent) 30%, transparent) 0%, transparent 60%);filter:blur(40px);pointer-events:none;border-radius:50%;width:700px;height:700px;animation:18s ease-in-out infinite alternate glow-drift;position:absolute;top:-240px;right:-120px}[data-theme=dark] .hero-glow{opacity:.4}.bg-canvas{pointer-events:none;opacity:.5;width:100%;height:100%;position:absolute;inset:0}[data-theme=dark] .bg-canvas{opacity:.28}.hero-title{font-family:var(--font-serif);letter-spacing:-.02em;text-wrap:balance;max-width:16ch;margin:0 0 28px;font-size:clamp(52px,7vw,88px);line-height:1}.hero-title em{color:var(--accent);font-style:italic}.hero-title .word{display:inline-block}.home.anim-ready .hero-title .word{animation:.85s cubic-bezier(.2,.7,.2,1) both word-rise}.hero-lead{color:var(--fg-muted);max-width:54ch;margin:0 0 32px;font-size:19px;line-height:1.55}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.hero-bar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);grid-template-columns:1fr 1px 1fr 1px 1fr 1px 1fr;align-items:center;gap:20px;margin-top:64px;padding:28px 0;display:grid}.hero-stat-lg .v{font-family:var(--font-serif);letter-spacing:-.02em;font-size:52px;line-height:1}.hero-stat-lg .k{letter-spacing:.14em;text-transform:uppercase;color:var(--fg-muted);margin-top:8px;font-size:11px}.hero-divider{background:var(--border);justify-self:center;width:1px;height:60px}.hero-deck{pointer-events:none;z-index:2;flex-direction:column;gap:12px;width:300px;display:flex;position:absolute;top:20px;right:32px}.hero-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);align-items:center;gap:12px;width:280px;padding:14px 16px;display:flex}.hero-card-1{--rot:2deg;animation:6s ease-in-out infinite card-bob;transform:rotate(2deg)}.hero-card-2{--rot:-2.5deg;align-self:flex-end;animation:6s ease-in-out .4s infinite card-bob;transform:rotate(-2.5deg)}.hero-card-3{--rot:1.5deg;animation:6s ease-in-out .8s infinite card-bob;transform:rotate(1.5deg)}.hero-card-name{font-size:14px;font-weight:600}.hero-card-meta{color:var(--fg-muted);margin-top:2px;font-size:11px}.hero-card .pill{flex-shrink:0;margin-left:auto}.home-section{max-width:1200px;margin:0 auto;padding:80px 32px}.home-section.sunk{background:var(--bg-sunk);max-width:none;padding-left:0;padding-right:0}.home-section.sunk .inner{max-width:1200px;margin:0 auto;padding:0 32px}.section-head{margin-bottom:40px}.section-head.row{justify-content:space-between;align-items:flex-end;gap:24px;display:flex}.section-title{font-family:var(--font-serif);letter-spacing:-.015em;margin:6px 0 10px;font-size:clamp(32px,4vw,52px);line-height:1.04}.section-title em{color:var(--accent);font-style:italic}.section-lead{color:var(--fg-muted);max-width:56ch;margin-top:10px;font-size:17px;line-height:1.55}.step-grid{grid-template-columns:repeat(3,1fr);gap:32px;display:grid}.step{border-top:1px solid var(--fg);padding:28px 0 0}.step-num{color:var(--accent);font-size:20px;font-style:italic;font-family:var(--font-serif);margin-bottom:16px}.step h3{font-family:var(--font-serif);letter-spacing:-.01em;margin:0 0 10px;font-size:28px}.step p{color:var(--fg-muted);font-size:15px;line-height:1.6}.step:hover .step-num{animation:.4s step-nudge}.subject-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.subject-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;text-align:left;flex-direction:column;align-items:flex-start;padding:22px;transition:all .15s;display:flex}.subject-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);transform:translateY(-3px)}.subject-icon{width:52px;height:52px;color:var(--fg);border-radius:12px;flex-shrink:0;place-items:center;margin-bottom:14px;font-size:26px;transition:transform .3s cubic-bezier(.2,.7,.2,1);display:grid}.subject-card:hover .subject-icon{transform:rotate(-8deg)scale(1.12)}.math-bg{background:oklch(92% .06 60)}.english-bg{background:oklch(91% .05 350)}.science-bg{background:oklch(92% .06 145)}.cs-bg{background:oklch(92% .05 260)}[data-theme=dark] .math-bg{background:oklch(30% .07 60)}[data-theme=dark] .english-bg{background:oklch(30% .06 350)}[data-theme=dark] .science-bg{background:oklch(30% .06 145)}[data-theme=dark] .cs-bg{background:oklch(30% .05 260)}.subject-name{font-family:var(--font-serif);letter-spacing:-.01em;margin-bottom:4px;font-size:22px}.subject-meta{color:var(--fg-muted);flex:1;margin-bottom:12px;font-size:13px;line-height:1.5}.subject-count{letter-spacing:.12em;text-transform:uppercase;color:var(--fg-soft);border-top:1px dashed var(--border);width:100%;padding-top:10px;font-size:11px}.featured-grid{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.featured-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;flex-direction:column;gap:8px;padding:22px;transition:all .15s;display:flex}.featured-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);transform:translateY(-3px)}.featured-card .avatar{margin-bottom:6px;transition:transform .25s}.featured-card:hover .avatar{transform:scale(1.06)rotate(-3deg)}.featured-name{font-family:var(--font-serif);font-size:20px;line-height:1.1}.featured-meta{color:var(--fg-muted);font-size:12px}.featured-quote{font-style:italic;font-family:var(--font-serif);color:var(--fg);flex:1;padding:10px 0;font-size:15px;line-height:1.4}.featured-foot{border-top:1px dashed var(--border);justify-content:space-between;align-items:center;padding-top:10px;display:flex}.rating-badge{color:var(--fg);align-items:center;gap:4px;font-size:12px;display:inline-flex}.rating-badge svg{color:var(--accent)}.home-quote{text-align:center;max-width:860px;margin:0 auto;padding:100px 32px}.quote-mark{color:var(--accent);font-size:130px;font-style:italic;line-height:.6;font-family:var(--font-serif);margin-bottom:-10px;animation:8s ease-in-out infinite quote-drift;display:inline-block}.home-quote blockquote{font-family:var(--font-serif);letter-spacing:-.01em;margin:0 0 28px;font-size:clamp(26px,3.5vw,42px);font-style:italic;line-height:1.25}.quote-attr{text-align:left;align-items:center;gap:12px;display:inline-flex}.quote-name{font-size:14px;font-weight:500}.quote-meta{color:var(--fg-muted);font-size:12px}.cta-section{grid-template-columns:1.2fr 1fr;align-items:center;gap:48px;display:grid}.bullet-list{margin:20px 0 0;padding:0;list-style:none}.bullet-list li{border-top:1px solid var(--border);padding:12px 0 12px 26px;font-size:15px;position:relative}.bullet-list li:before{content:"→";color:var(--accent);font-family:var(--font-serif);position:absolute;left:0}.bullet-list li:last-child{border-bottom:1px solid var(--border)}.badge-card{background:var(--fg);color:var(--bg);border-radius:var(--radius-lg);text-align:center;padding:40px 36px}.badge-card-eyebrow{letter-spacing:.14em;text-transform:uppercase;opacity:.6;margin-bottom:14px;font-size:12px}.badge-card-num{font-family:var(--font-serif);letter-spacing:-.03em;color:var(--accent);font-size:110px;line-height:1}.badge-card-unit{letter-spacing:.14em;text-transform:uppercase;opacity:.55;margin-top:8px;font-size:13px}.badge-card-foot{opacity:.65;border-top:1px solid #ffffff1f;justify-content:center;gap:12px;margin-top:24px;padding-top:20px;font-size:12px;display:flex}.faq-list{flex-direction:column;display:flex}.faq{border-top:1px solid var(--border);padding:18px 0}.faq:last-child{border-bottom:1px solid var(--border)}.faq summary{cursor:pointer;font-family:var(--font-serif);justify-content:space-between;align-items:center;gap:16px;font-size:22px;line-height:1.3;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-family:var(--font-serif);color:var(--accent);flex-shrink:0;font-size:26px;line-height:1;transition:transform .2s}.faq[open] summary:after{content:"−";transform:rotate(180deg)}.faq p{color:var(--fg-muted);max-width:68ch;margin:12px 0 0;font-size:15px;line-height:1.6}.footer-cta{text-align:center;max-width:760px;margin:0 auto;padding:100px 32px}.footer-cta h2{font-family:var(--font-serif);letter-spacing:-.02em;margin-bottom:12px;font-size:clamp(44px,6vw,76px);line-height:1}.footer-cta p{color:var(--fg-muted);margin-bottom:28px;font-size:17px}.home-footer{border-top:1px solid var(--border);max-width:1200px;color:var(--fg-muted);justify-content:space-between;align-items:center;margin:0 auto;padding:24px 32px;font-size:13px;display:flex}.footer-links{gap:24px;display:flex}.footer-links a{color:inherit;transition:color .12s}.footer-links a:hover{color:var(--fg)}.subject-marquee{background:var(--fg);color:var(--bg);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:16px 0;overflow:hidden}.marquee-track{white-space:nowrap;gap:48px;padding-right:48px;animation:36s linear infinite marquee;display:inline-flex}.marquee-item{font-family:var(--font-serif);letter-spacing:-.01em;align-items:center;gap:12px;font-size:26px;font-style:italic;display:inline-flex}.marquee-item:before{content:"✦";color:var(--accent);font-size:13px;font-style:normal}.upload-zone{border:2px dashed var(--border-strong);border-radius:var(--radius-lg);text-align:center;cursor:pointer;background:var(--bg);padding:48px;transition:all .15s}.upload-zone:hover{border-color:var(--accent);background:var(--accent-wash)}.toast{background:var(--fg);color:var(--bg);border-radius:var(--radius-pill);box-shadow:var(--shadow-lg);z-index:200;padding:12px 22px;font-size:14px;font-weight:500;animation:.3s cubic-bezier(.2,.7,.2,1) toast-in;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes word-rise{0%{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}@keyframes glow-drift{0%{transform:translate(0)scale(1)}to{transform:translate(-50px,35px)scale(1.07)}}@keyframes card-bob{0%,to{transform:translateY(0) rotate(var(--rot))}50%{transform:translateY(-8px) rotate(calc(var(--rot) + .5deg))}}@keyframes marquee{0%{transform:translate(0)}to{transform:translate(-50%)}}@keyframes quote-drift{0%,to{transform:translate(0)rotate(0)}50%{transform:translate(6px)rotate(2deg)}}@keyframes step-nudge{0%{transform:translate(0)}50%{transform:translate(6px)}to{transform:translate(0)}}@keyframes modal-in{0%{opacity:0;transform:scale(.96)translateY(8px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes toast-in{0%{opacity:0;transform:translate(-50%)translateY(16px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.reveal{transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}.reveal.hidden{opacity:0;transform:translateY(20px)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px}::-webkit-scrollbar-track{background:0 0}.mobile-nav{z-index:100;background:var(--bg-elev);border-top:1px solid var(--border);padding:6px 0 max(6px, env(safe-area-inset-bottom));grid-template-columns:repeat(5,1fr);display:none;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 16px -8px #00000014}.mobile-nav-item{color:var(--fg-muted);letter-spacing:.01em;cursor:pointer;font-size:9px;font-family:var(--font-sans);background:0 0;border:0;flex-direction:column;align-items:center;gap:3px;padding:6px 2px;text-decoration:none;transition:color .12s;display:flex}.mobile-nav-item.active{color:var(--accent);font-weight:600}.mobile-nav-item:hover{color:var(--fg)}.stats-row-3{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:36px;display:grid}.stats-row-4{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:36px;display:grid}.home-subjects-grid{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}@media (width<=1100px){.hero-deck{display:none}.featured-grid,.home-subjects-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=860px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.mobile-nav{display:grid}.main-content{padding:28px 28px 80px}.step-grid,.cta-section{grid-template-columns:1fr}.hero-bar{grid-template-columns:repeat(2,1fr);gap:24px}.hero-bar .hero-divider{display:none}.profile-grid,.profile-layout{grid-template-columns:1fr}.profile-aside{position:static}}@media (width<=640px){.main-content{padding:20px 16px 80px}.page-header{flex-direction:column;gap:14px}.page-header .btn,.page-header button{align-self:flex-start}.stats-row-3,.stats-row-4{grid-template-columns:repeat(2,1fr)}.pub-nav-links{display:none}.pub-nav-inner{gap:0;padding:12px 16px}.home-hero{padding:52px 16px 48px}.hero-lead{font-size:16px}.hero-bar{margin-top:40px;padding:20px 0}.hero-stat-lg .v{font-size:36px}.home-section{padding:56px 16px}.home-section.sunk .inner{padding:0 16px}.home-subjects-grid{grid-template-columns:repeat(2,1fr)}.featured-grid{grid-template-columns:1fr}.section-head.row{flex-direction:column;align-items:flex-start;gap:12px}.home-quote,.footer-cta{padding:48px 16px}.home-footer{text-align:center;flex-direction:column;gap:8px;padding:24px 16px}.footer-links{flex-wrap:wrap;justify-content:center;gap:12px}.session-row-main{gap:8px}.session-left{gap:10px}.session-date{width:46px;padding-right:12px}.session-dom{font-size:28px}.session-body,.session-topic{text-align:left}.session-meta{justify-content:flex-start}.session-tutor{gap:0;padding:6px 8px}.session-tutor>div:last-child{display:none}.session-expand-actions{gap:8px;padding-left:0}.session-expand-actions .btn{flex:1;justify-content:center;padding:8px 10px;font-size:12px}.lec-strip{grid-template-columns:repeat(2,1fr);gap:12px;padding:16px}.lec-strip-cell.push{grid-column:1/-1;justify-self:stretch}.lec-headline-title{font-size:24px}.lec-headline-date .dom{font-size:56px}.lec-filterbar{flex-direction:column;align-items:stretch;gap:12px}.lec-tabs{width:100%}.lec-tab{text-align:center;flex:1;justify-content:center}.chip-row{-webkit-overflow-scrolling:touch;flex-wrap:nowrap;padding-bottom:4px;overflow-x:auto}.lec-host-cta{grid-template-columns:1fr}.lec-host-cta h3{font-size:22px}.lec-card-title{font-size:16px}.lec-day-dom{font-size:52px}.cal-wrap,.avail-grid{-webkit-overflow-scrolling:touch;overflow-x:auto}.rating-modal{padding:24px 18px 20px}.rating-star{font-size:28px}.guest-nav,.guest-home-wrap{padding:0 16px}.upload-layout{grid-template-columns:1fr!important}.confirm-card{padding:28px 20px}.page-title{font-size:clamp(28px,8vw,48px)}.profile-aside{padding-bottom:24px}.vid-filterbar .chip-row{-webkit-overflow-scrolling:touch;flex-wrap:nowrap;padding-bottom:4px;overflow-x:auto}}@media (width<=400px){.pub-nav-cta .btn-ghost{display:none}.stats-row-3{grid-template-columns:1fr 1fr;gap:8px}.home-subjects-grid{grid-template-columns:1fr 1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.sidebar-logo{letter-spacing:.02em;align-items:center;gap:10px;padding:4px 10px;font-size:14px;font-weight:500;display:flex}.sidebar-logo-mark{color:var(--accent);font-size:28px;line-height:1}.logo-dark-img,[data-theme=dark] .logo-light-img{display:none}[data-theme=dark] .logo-dark-img{display:block}.sidebar-logo-name{font-size:16px;font-weight:600}.sidebar-pov{border-radius:var(--radius-md);background:var(--bg-sunk);border:1px solid var(--border);align-items:center;gap:10px;padding:10px;display:flex}.sidebar-nav{flex-direction:column;flex:1;gap:2px;display:flex}.sidebar-footer{border-top:1px solid var(--border);flex-direction:column;gap:2px;margin-top:auto;padding-top:12px;display:flex}.sidebar-link{border-radius:var(--radius-sm);color:var(--fg-muted);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;width:100%;padding:8px 10px;font-size:14px;text-decoration:none;transition:all .12s;display:flex}.sidebar-link:hover{background:var(--bg-sunk);color:var(--fg)}.sidebar-link.active{background:var(--bg-elev);color:var(--fg);border:1px solid var(--border);font-weight:500}.main-content{min-width:0;padding:32px 40px;overflow-x:hidden}.input-group{align-items:center;display:flex;position:relative}.input-group .input{padding-left:38px}.input-icon{color:var(--fg-muted);pointer-events:none;flex-shrink:0;position:absolute;left:12px}.field-label{color:var(--fg-muted);letter-spacing:.04em;text-transform:uppercase;margin-bottom:6px;font-size:12px;font-weight:500;display:block}.auth-logo{text-align:center;color:var(--accent);margin-bottom:24px;font-size:36px}.auth-form{flex-direction:column;display:flex}.profile-layout{grid-template-columns:280px 1fr;align-items:start;gap:36px;display:grid}.profile-aside{flex-direction:column;gap:12px;display:flex;position:sticky;top:24px}.profile-name{margin:8px 0 2px;font-size:30px;line-height:1.1}.profile-meta{color:var(--fg-muted);font-size:13px}.profile-stats{border-top:1px solid var(--border);border-bottom:1px solid var(--border);gap:16px;padding:12px 0;display:flex}.profile-stat{align-items:center;gap:6px;font-size:13px;display:flex}.profile-bio{color:var(--fg-muted);font-size:14px;line-height:1.55}.tutor-name{font-family:var(--font-serif);font-size:22px;line-height:1.1}.tutor-meta{color:var(--fg-muted);margin-top:2px;font-size:12px}.tutor-subjects{flex-wrap:wrap;gap:6px;display:flex}.tutor-bio{color:var(--fg-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.5;display:-webkit-box;overflow:hidden}.tutor-stats{align-items:center;gap:5px;font-size:13px;display:flex}.tutor-stat-dot{color:var(--fg-soft)}.tutor-next{color:var(--success);align-items:center;gap:5px;font-size:11px;display:flex}.tutor-next-dot{background:var(--success);border-radius:999px;width:6px;height:6px}.featured-name{font-size:20px}.featured-major{color:var(--fg-muted);font-size:12px}.featured-subjects{flex-wrap:wrap;gap:5px;display:flex}.featured-quote{color:var(--fg-muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:13px;font-style:italic;line-height:1.5;display:-webkit-box;overflow:hidden}.featured-stats{color:var(--fg-muted);align-items:center;gap:5px;margin-top:auto;font-size:12px;display:flex}.cal-wrap{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:20px;overflow:hidden}.cal-header{border-bottom:1px solid var(--border);grid-template-columns:60px repeat(5,1fr);display:grid}.cal-time-col{padding:10px}.cal-day-head{text-align:center;border-left:1px solid var(--border);padding:10px 4px}.cal-day-name{letter-spacing:.12em;text-transform:uppercase;color:var(--fg-muted);font-size:11px}.cal-day-date{color:var(--fg-soft);margin-top:2px;font-size:11px}.cal-row{border-bottom:1px solid var(--border);grid-template-columns:60px repeat(5,1fr);display:grid}.cal-row:last-child{border-bottom:0}.cal-time{font-size:10px;font-family:var(--font-mono);color:var(--fg-soft);text-align:right;border-right:1px solid var(--border);justify-content:flex-end;align-items:center;padding:10px 8px;display:flex}.cal-cell{border-left:1px solid var(--border);cursor:pointer;place-items:center;height:44px;transition:background .1s;display:grid}.cal-cell.free{background:var(--success-wash);cursor:pointer}.cal-cell.free:hover{background:var(--success);color:var(--bg)}.cal-cell.booked{background:var(--bg-sunk);cursor:not-allowed}.cal-cell.selected{background:var(--accent);color:var(--accent-ink)}.cal-cell.empty{cursor:default;background:0 0}.cal-legend{border-top:1px solid var(--border);color:var(--fg-muted);gap:16px;padding:10px 14px;font-size:12px;display:flex}.cal-legend-item{align-items:center;gap:6px;display:flex}.cal-dot{border-radius:2px;width:10px;height:10px}.cal-dot.free{background:var(--success-wash);border:1px solid var(--success)}.cal-dot.booked{background:var(--bg-sunk);border:1px solid var(--border-strong)}.booking-panel{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);margin-top:8px;padding:24px}.booking-slot-summary{color:var(--fg);background:var(--accent-wash);border-radius:var(--radius-sm);align-items:center;gap:8px;margin-bottom:20px;padding:10px 14px;font-size:14px;font-weight:500;display:flex}.confirm-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-xl);text-align:center;padding:40px}.confirm-check{background:var(--success-wash);border-radius:999px;place-items:center;width:72px;height:72px;margin:0 auto 20px;display:grid}.confirm-title{font-family:var(--font-serif);margin-bottom:8px;font-size:40px;line-height:1.1}.confirm-sub{color:var(--fg-muted);margin-bottom:28px;font-size:15px}.confirm-details{background:var(--bg-sunk);border-radius:var(--radius-md);text-align:left;flex-direction:column;gap:10px;margin-bottom:20px;padding:20px;display:flex}.confirm-row{align-items:center;gap:10px;font-size:14px;display:flex}.confirm-subject{border-top:1px solid var(--border);text-align:left;padding-top:16px}.sessions-list{flex-direction:column;gap:14px;display:flex}.sessions-list .session-row{cursor:pointer;flex-direction:column;gap:0;padding:20px 22px;display:flex}.sessions-list .session-row.past{cursor:default}.session-row-main{justify-content:space-between;align-items:center;gap:24px;display:flex}.session-left{align-items:center;gap:18px;min-width:0;display:flex}.session-date{text-align:center;border-right:1px solid var(--border);flex-shrink:0;width:54px;padding-right:18px}.session-dom{font-family:var(--font-serif);letter-spacing:-.02em;font-size:34px;line-height:1}.session-mon{letter-spacing:.12em;text-transform:uppercase;color:var(--fg-muted);margin-top:3px;font-size:10px}.session-day{color:var(--fg-soft);margin-top:1px;font-size:10px}.session-body{min-width:0;padding:0 4px}.session-subject{margin-bottom:8px}.session-topic{margin-bottom:8px;font-size:14px;font-weight:500;line-height:1.4}.session-meta{color:var(--fg-muted);flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;display:flex}.session-tutor{border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;background:0 0;flex-shrink:0;align-items:center;gap:10px;max-width:180px;padding:10px 14px;transition:all .12s;display:flex}.session-tutor:hover{border-color:var(--border-strong);background:var(--bg-elev)}.session-tutor-name{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:500;overflow:hidden}.session-tutor-sub{color:var(--fg-muted);margin-top:2px;font-size:11px}.session-expand-actions{border-top:1px solid var(--border);gap:10px;margin-top:14px;padding-top:14px;padding-left:74px;display:flex}.rating-overlay{z-index:1000;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#00000073;justify-content:center;align-items:center;padding:20px;animation:.2s both fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.rating-modal{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:420px;padding:32px 32px 28px;animation:.25s both slideUp;box-shadow:0 24px 64px #0000002e}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.rating-modal-session{background:var(--bg-sunk);border-radius:var(--radius-md);align-items:center;gap:12px;margin-bottom:24px;padding:12px 14px;display:flex}.rating-stars{gap:6px;margin-bottom:20px;display:flex}.rating-star{cursor:pointer;color:var(--border-strong);background:0 0;border:none;padding:2px;font-size:32px;line-height:1;transition:transform .1s,color .1s}.rating-star.active,.rating-star.hover{color:var(--accent);transform:scale(1.15)}.rating-comment{box-sizing:border-box;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg);width:100%;color:var(--fg);font-family:var(--font-sans);resize:none;margin-bottom:20px;padding:10px 12px;font-size:14px;transition:border-color .12s}.rating-comment:focus{border-color:var(--accent);outline:none}.rating-comment::placeholder{color:var(--fg-soft)}.rating-modal-actions{justify-content:flex-end;gap:10px;display:flex}.avail-grid{border:1px solid var(--border);border-radius:var(--radius-lg);display:block;overflow:hidden}.avail-header{border-bottom:2px solid var(--border);background:var(--bg-sunk);grid-template-columns:60px repeat(5,1fr);display:grid}.avail-time-col{padding:10px}.avail-day-head{text-align:center;border-left:1px solid var(--border);padding:10px 4px}.avail-row{border-bottom:1px solid var(--border);grid-template-columns:60px repeat(5,1fr);display:grid}.avail-row:last-child{border-bottom:0}.avail-time{font-size:10px;font-family:var(--font-mono);color:var(--fg-soft);text-align:right;border-right:1px solid var(--border);justify-content:flex-end;align-items:center;min-height:40px;padding:0 8px;display:flex}.avail-cell{border-left:1px solid var(--border);cursor:pointer;min-height:40px;transition:background .1s}.avail-cell.free{background:var(--success-wash)}.avail-cell.free:hover{background:var(--success)}.avail-cell.booked{background:var(--accent-wash);cursor:not-allowed}.avail-cell.closed{background:var(--bg)}.avail-cell.closed:hover{background:var(--bg-sunk)}.avatar.xl{width:80px;height:80px;font-size:24px}.bg-1{background:oklch(65% .13 60)}.bg-2{background:oklch(60% .13 200)}.bg-3{background:oklch(55% .13 290)}.bg-4{background:oklch(62% .13 145)}.bg-5{background:oklch(58% .14 10)}.bg-6{background:oklch(60% .13 340)}.bg-7{background:oklch(62% .12 100)}.bg-8{background:oklch(55% .13 260)}@keyframes pulse-ring{0%{opacity:.8;transform:scale(1)}60%{opacity:0;transform:scale(2.5)}to{opacity:0;transform:scale(2.5)}}.lectures{max-width:1200px}.lec-strip{border-top:1px solid var(--fg);border-bottom:1px solid var(--border);background:var(--bg-elev);border-radius:var(--radius-md);grid-template-columns:repeat(4,auto) 1fr;align-items:center;gap:36px;margin:8px 0 32px;padding:20px 24px;display:grid}.lec-strip-cell .v{letter-spacing:-.01em;font-size:32px;line-height:1}.lec-strip-cell .k{letter-spacing:.14em;text-transform:uppercase;color:var(--fg-muted);margin-top:6px;font-size:11px}.lec-strip-cell.push{justify-self:end}.lec-strip-now{border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--bg);color:var(--fg);align-items:center;gap:10px;padding:8px 14px;font-size:13px;display:inline-flex}.lec-strip-now strong{font-weight:500}.lec-pulse{background:var(--accent);border-radius:999px;width:8px;height:8px;position:relative}.lec-pulse:after{content:"";background:var(--accent);border-radius:999px;animation:2.2s ease-out infinite pulse-ring;position:absolute;inset:0}.lec-headline{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);grid-template-columns:240px 1fr;gap:0;margin-bottom:36px;display:grid;overflow:hidden}.lec-headline-side{background:var(--bg-sunk);border-right:1px solid var(--border);flex-direction:column;gap:16px;padding:24px;display:flex}.lec-headline-pin{letter-spacing:.18em;text-transform:uppercase;color:var(--accent);align-items:center;gap:8px;font-size:10px;font-weight:500;display:inline-flex}.lec-headline-date{border-bottom:1px solid var(--border);align-items:flex-end;gap:12px;padding-top:4px;padding-bottom:16px;display:flex}.lec-headline-date .dom{letter-spacing:-.03em;color:var(--fg);font-size:96px;line-height:.85}.lec-headline-date .mo .month{font-family:var(--font-serif);color:var(--accent);font-size:22px;font-style:italic;line-height:1}.lec-headline-date .mo .dow{letter-spacing:.16em;text-transform:uppercase;color:var(--fg-muted);margin-top:6px;font-size:11px}.lec-headline-time,.lec-headline-loc{color:var(--fg);align-items:center;gap:8px;font-size:13px;display:flex}.lec-headline-time svg,.lec-headline-loc svg{color:var(--fg-muted);flex-shrink:0}.lec-headline-body{flex-direction:column;gap:16px;padding:28px 32px;display:flex}.lec-headline-tags{flex-wrap:wrap;gap:6px;display:flex}.lec-headline-title{letter-spacing:-.015em;max-width:22ch;margin:0;font-size:38px;line-height:1.1}.lec-headline-blurb{color:var(--fg-muted);max-width:64ch;margin:0;font-size:15px;line-height:1.55}.lec-headline-foot{border-top:1px solid var(--border);grid-template-columns:auto 1fr;align-items:center;gap:24px;margin-top:8px;padding-top:20px;display:grid}.lec-presenter{cursor:pointer;background:0 0;border:0;align-items:center;gap:12px;padding:0;display:flex}.lec-presenter-name{font-size:14px;font-weight:500}.lec-presenter-meta{color:var(--fg-muted);margin-top:1px;font-size:12px}.lec-headline-rsvp{justify-content:flex-end;align-items:center;gap:20px;display:flex}.lec-seats{min-width:160px}.lec-seats-bar{background:var(--bg-sunk);border:1px solid var(--border);border-radius:999px;height:4px;overflow:hidden}.lec-seats-fill{background:var(--success);height:100%;transition:width .4s}.lec-seats-label{color:var(--fg-muted);letter-spacing:.02em;margin-top:6px;font-size:11px}.lec-seats-label strong{color:var(--fg);font-weight:500}.lec-nearly{color:var(--accent);font-weight:500}.lec-filterbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;margin-bottom:20px;display:flex}.lec-tabs{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-md);padding:3px;display:inline-flex}.lec-tab{border-radius:var(--radius-sm);color:var(--fg-muted);cursor:pointer;background:0 0;border:0;padding:7px 14px;font-size:13px;font-weight:500}.lec-tab.active{background:var(--fg);color:var(--bg)}.lec-days{flex-direction:column;gap:28px;display:flex}.lec-day{grid-template-columns:120px 1fr;align-items:start;gap:24px;display:grid}.lec-day-rail{border-top:1px solid var(--fg);padding-top:8px;position:sticky;top:24px}.lec-day-dom{letter-spacing:-.03em;color:var(--fg);font-size:64px;line-height:.9}.lec-day-dow{font-family:var(--font-serif);color:var(--accent);margin-top:4px;font-size:20px;font-style:italic}.lec-day-mo{letter-spacing:.16em;text-transform:uppercase;color:var(--fg-muted);margin-top:4px;font-size:11px}.lec-day-count{letter-spacing:.12em;text-transform:uppercase;color:var(--fg-soft);margin-top:14px;font-size:11px}.lec-day-list{flex-direction:column;gap:12px;display:flex}.lec-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);grid-template-columns:96px 1fr 220px;align-items:center;gap:24px;padding:20px 24px;transition:all .15s;display:grid}.lec-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);transform:translateY(-1px)}.lec-card.going{border-color:var(--success);background:color-mix(in oklch, var(--success-wash) 50%, var(--bg-elev))}.lec-card-time{font-family:var(--font-mono);color:var(--fg);border-right:1px dashed var(--border);align-self:center;align-items:center;gap:6px;height:100%;padding-right:12px;font-size:12px;display:flex}.lec-card-time svg{color:var(--fg-muted);flex-shrink:0}.lec-card-body{min-width:0}.lec-card-tags{flex-wrap:wrap;gap:6px;margin-bottom:8px;display:flex}.lec-card-title{letter-spacing:-.01em;margin:0 0 6px;font-size:22px;line-height:1.2}.lec-card-blurb{color:var(--fg-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 10px;font-size:13px;line-height:1.5;display:-webkit-box;overflow:hidden}.lec-card-meta{color:var(--fg-muted);flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;display:flex}.lec-card-presenter{color:var(--fg);cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;padding:0;font-size:12px;display:inline-flex}.lec-card-dot{color:var(--fg-soft)}.lec-card-loc{align-items:center;gap:4px;display:inline-flex}.lec-card-loc svg{color:var(--fg-soft)}.lec-card-rsvp{flex-direction:column;align-items:stretch;gap:10px;display:flex}.lec-card-rsvp .btn{justify-content:center}.lec-host-cta{background:var(--fg);color:var(--bg);border-radius:var(--radius-lg);grid-template-columns:1fr auto;align-items:center;gap:32px;margin-top:48px;padding:32px 36px;display:grid}.lec-host-cta .eyebrow{color:#ffffff8c}.lec-host-cta h3{letter-spacing:-.015em;color:var(--bg);margin:4px 0 8px;font-size:30px;line-height:1.1}.lec-host-cta p{color:#ffffffb3;max-width:64ch;margin:0;font-size:14px;line-height:1.6}.lec-host-cta .btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.lec-host-cta .btn.primary:hover{filter:brightness(1.05);background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}@media (width<=980px){.lec-headline{grid-template-columns:1fr}.lec-headline-side{border-right:0;border-bottom:1px solid var(--border);flex-flow:wrap;align-items:center}.lec-headline-date{border-bottom:0;padding-bottom:0}.lec-card{grid-template-columns:1fr}.lec-card-time{border-right:0;border-bottom:1px dashed var(--border);padding:0 0 10px}.lec-day{grid-template-columns:1fr}.lec-day-rail{position:static}.lec-strip{grid-template-columns:repeat(2,1fr);gap:20px}.lec-strip-cell.push{grid-column:1/-1;justify-self:stretch}}.vids{max-width:1200px}.vid-hero{grid-template-columns:1.1fr 1fr 320px;gap:24px;margin-bottom:36px;display:grid}.vid-hero-thumb{aspect-ratio:16/10;border-radius:var(--radius-lg);cursor:pointer;border:1px solid var(--border);isolation:isolate;place-items:center;display:grid;position:relative;overflow:hidden}.vid-hero-thumb:after{content:"";pointer-events:none;background:radial-gradient(circle at 30% 30%,#0000 0%,#0000000f 70%),repeating-linear-gradient(45deg,#0000 0 22px,#00000006 22px 23px);position:absolute;inset:0}.vid-hero-glyph{color:var(--fg);opacity:.55;letter-spacing:-.02em;font-size:clamp(120px,18vw,200px);line-height:1}.vid-play-btn{background:var(--bg-elev);border:1px solid var(--border);width:84px;height:84px;color:var(--fg);cursor:pointer;z-index:2;border-radius:999px;place-items:center;transition:transform .2s;display:grid;position:absolute;box-shadow:0 12px 32px -10px #14130f4d}.vid-play-btn:hover{transform:scale(1.08)}.vid-play-btn svg{margin-left:4px}.vid-hero-progress{z-index:2;background:#14130f26;border-radius:999px;height:3px;position:absolute;bottom:38px;left:16px;right:16px;overflow:hidden}.vid-hero-progress-fill{background:var(--accent);height:100%}.vid-hero-timestamps{font-family:var(--font-mono);color:var(--fg);opacity:.75;z-index:2;justify-content:space-between;font-size:11px;display:flex;position:absolute;bottom:14px;left:16px;right:16px}.vid-hero-info{flex-direction:column;gap:14px;padding-top:4px;display:flex}.vid-hero-tags{flex-wrap:wrap;gap:6px;display:flex}.vid-hero-tags .pill{align-items:center;gap:4px;display:inline-flex}.vid-hero-title{letter-spacing:-.015em;margin:0;font-size:clamp(22px,3.5vw,32px);line-height:1.1}.vid-hero-blurb{color:var(--fg-muted);margin:0;font-size:15px;line-height:1.55}.vid-hero-presenter{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-elev);text-align:left;cursor:pointer;align-items:center;gap:12px;padding:12px;transition:all .12s;display:flex}.vid-hero-presenter:hover{border-color:var(--border-strong)}.vid-presenter-name{font-size:14px;font-weight:500}.vid-presenter-meta{color:var(--fg-muted);margin-top:1px;font-size:12px}.vid-hero-actions{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}.vid-upnext{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;gap:14px;padding:18px;display:flex}.vid-upnext-list{flex-direction:column;gap:4px;display:flex}.vid-upnext-row{border-radius:var(--radius-sm);text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;grid-template-columns:88px 1fr;gap:12px;padding:8px;transition:all .12s;display:grid}.vid-upnext-row:hover{background:var(--bg-sunk);border-color:var(--border)}.vid-upnext-thumb{border-radius:var(--radius-sm);place-items:center;height:56px;display:grid;position:relative;overflow:hidden}.vid-upnext-thumb span.serif{color:var(--fg);opacity:.55;font-size:32px;line-height:1}.vid-mini-dur{color:#fff;font-family:var(--font-mono);background:#14130fc7;border-radius:3px;padding:1px 5px;font-size:9px;position:absolute;bottom:4px;right:4px}.vid-upnext-title{color:var(--fg);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.3;display:-webkit-box;overflow:hidden}.vid-upnext-meta{color:var(--fg-muted);margin-top:4px;font-size:11px}.vid-upnext-head .eyebrow{font-size:10px}.vid-filterbar{border-top:1px solid var(--fg);border-bottom:1px solid var(--border);grid-template-columns:auto 1fr auto;align-items:center;gap:20px;margin-bottom:24px;padding:14px 0;display:grid}.vid-tally{color:var(--fg-muted);white-space:nowrap;align-items:baseline;gap:6px;font-size:13px;display:inline-flex}.vid-tally-num{color:var(--fg);letter-spacing:-.01em;font-size:24px}.vid-tally-dot{color:var(--fg-soft);margin:0 4px}.vid-sort{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-pill);gap:4px;padding:3px;display:inline-flex}.vid-sort-btn{border-radius:var(--radius-pill);color:var(--fg-muted);cursor:pointer;background:0 0;border:0;padding:6px 12px;font-size:12px;font-weight:500}.vid-sort-btn.active{background:var(--fg);color:var(--bg)}.vid-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;display:grid}.vid-card{text-align:left;cursor:pointer;background:0 0;border:0;flex-direction:column;gap:12px;padding:0;transition:transform .15s;display:flex}.vid-card:hover{transform:translateY(-3px)}.vid-card.playing .vid-thumb{box-shadow:0 0 0 3px var(--accent)}.vid-thumb{aspect-ratio:16/10;border-radius:var(--radius-md);border:1px solid var(--border);position:relative;overflow:hidden}.vid-thumb:after{content:"";pointer-events:none;background:repeating-linear-gradient(135deg,#0000 0 18px,#14130f08 18px 19px);position:absolute;inset:0}.vid-thumb-glyph{color:var(--fg);opacity:.55;place-items:center;font-size:80px;line-height:1;display:grid;position:absolute;inset:0}.vid-thumb-play{background:var(--bg-elev);width:44px;height:44px;color:var(--fg);opacity:0;z-index:2;border-radius:999px;place-items:center;transition:opacity .15s,transform .15s;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.vid-thumb-play svg{margin-left:2px}.vid-card:hover .vid-thumb-play{opacity:1;transform:translate(-50%,-50%)scale(1.05)}.vid-thumb-duration{font-family:var(--font-mono);color:#fff;z-index:2;background:#14130fd1;border-radius:4px;padding:3px 7px;font-size:11px;position:absolute;bottom:8px;right:8px}.vid-thumb-now{letter-spacing:.14em;text-transform:uppercase;background:var(--accent);color:var(--accent-ink);z-index:2;border-radius:4px;padding:4px 8px;font-size:10px;font-weight:500;position:absolute;bottom:8px;left:8px}.vid-thumb-save{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:1px solid var(--border);width:30px;height:30px;color:var(--fg-muted);cursor:pointer;opacity:0;z-index:2;background:#ffffffd9;border-radius:999px;place-items:center;transition:opacity .15s,color .15s;display:grid;position:absolute;top:8px;right:8px}.vid-card:hover .vid-thumb-save{opacity:1}.vid-thumb-save.on{opacity:1;color:var(--accent)}.vid-card-body{flex-direction:column;gap:4px;display:flex}.vid-card-sub{letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-size:10px;font-weight:500}.vid-card-title{letter-spacing:-.01em;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:19px;line-height:1.2;display:-webkit-box;overflow:hidden}.vid-card-meta{color:var(--fg-muted);align-items:center;gap:8px;margin-top:6px;font-size:12px;display:flex}.vid-card-foot{color:var(--fg-soft);align-items:center;gap:8px;margin-top:4px;font-size:11px;display:flex}.vid-card-foot span{align-items:center;gap:4px;display:inline-flex}.vid-card-dot{color:var(--fg-soft)}.vid-record-cta{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);grid-template-columns:auto 1fr auto;align-items:center;gap:28px;margin-top:48px;padding:28px 32px;display:grid}.vid-record-art{border-radius:var(--radius-md);background:var(--accent-wash);place-items:center;width:88px;height:88px;display:grid}.vid-record-art .serif{color:var(--accent);font-size:48px;line-height:1}.vid-record-cta h3{letter-spacing:-.01em;margin:4px 0 6px;font-size:26px;line-height:1.15}.vid-record-cta p{color:var(--fg-muted);max-width:70ch;margin:0;font-size:14px;line-height:1.55}@media (width<=1080px){.vid-hero{grid-template-columns:1fr 1fr}.vid-upnext{grid-column:1/-1}}@media (width<=720px){.vid-hero{grid-template-columns:1fr}.vid-filterbar{grid-template-columns:1fr;gap:12px}.vid-tally{display:none}.vid-record-cta{text-align:center;grid-template-columns:1fr}.vid-record-art{justify-self:center}.vid-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.vid-hero-actions{flex-wrap:nowrap}.vid-hero-actions .btn{flex:1;justify-content:center;padding:9px 12px;font-size:13px}}