:root{--bg: #eef4ff;--bg-alt: #f9fbff;--text: #11203b;--text-soft: #4e6186;--border: rgba(255, 255, 255, .45);--surface: rgba(255, 255, 255, .58);--surface-strong: rgba(255, 255, 255, .78);--primary: #5b7cff;--primary-dark: #3f61e0;--secondary: #6ed3c4;--accent: #ff8a7a;--success: #21b588;--danger: #f15a7c;--shadow: 0 18px 45px rgba(44, 69, 120, .14);--shadow-soft: 0 12px 35px rgba(61, 90, 154, .1);--radius-lg: 28px;--radius-md: 20px;--radius-sm: 14px;--transition: .3s ease}body.dark-theme{--bg: #09111f;--bg-alt: #0f1930;--text: #f2f6ff;--text-soft: #a5b4d6;--border: rgba(255, 255, 255, .08);--surface: rgba(13, 23, 43, .62);--surface-strong: rgba(12, 23, 44, .84);--primary: #8aa0ff;--primary-dark: #6c86ff;--secondary: #70ddd0;--accent: #ff9f7f;--success: #42d3a4;--shadow: 0 18px 45px rgba(0, 0, 0, .35);--shadow-soft: 0 12px 35px rgba(0, 0, 0, .25)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Manrope,sans-serif;color:var(--text);background:radial-gradient(circle at top left,rgba(110,211,196,.35),transparent 25%),radial-gradient(circle at top right,rgba(91,124,255,.22),transparent 28%),linear-gradient(180deg,var(--bg-alt) 0%,var(--bg) 55%,var(--bg-alt) 100%);transition:background var(--transition),color var(--transition);overflow-x:hidden}body.menu-open{overflow:hidden}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer;border:none;background:none}input,textarea,select{width:100%;border:1px solid transparent;border-radius:16px;padding:.95rem 1rem;background:#ffffffa6;color:var(--text);outline:none;transition:var(--transition)}body.dark-theme input,body.dark-theme textarea,body.dark-theme select{background:#ffffff0a}body.dark-theme select{color:#f2f6ff;border-color:#8aa0ff2e;background:#0c172ceb}body.dark-theme select option{color:#f2f6ff;background:#0f1930}input:focus,textarea:focus,select:focus{border-color:#5b7cff8c;box-shadow:0 0 0 4px #5b7cff1f}textarea{resize:vertical;min-height:120px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hidden{display:none!important}.container{width:min(1160px,calc(100% - 2rem));margin:0 auto}.page-shell{position:relative}section[id]{scroll-margin-top:5.5rem}.glass-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-soft);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.loader{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;gap:1rem;background:linear-gradient(145deg,#081021f2,#1e305feb);color:#fff;transition:opacity .55s ease,visibility .55s ease}.loader.is-hidden{opacity:0;visibility:hidden}.loader__orb{width:84px;height:84px;border-radius:50%;background:conic-gradient(from 180deg,#6ed3c4,#5b7cff,#ff8a7a,#6ed3c4);animation:spin 1.2s linear infinite;position:relative}.loader__orb:after{content:"";position:absolute;inset:10px;border-radius:inherit;background:#0d1730}.site-header{position:relative;padding:5.2rem 0 2.2rem}.navbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;position:fixed;top:0;left:50%;transform:translate(-50%);width:min(1160px,calc(100% - 2rem));z-index:40;padding:1rem 1.2rem;border-radius:24px;background:#ffffffeb;border:1px solid var(--border);box-shadow:var(--shadow);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}body.dark-theme .navbar{background:#0c172cf0}.logo{display:inline-flex;align-items:center;gap:0;min-width:0;white-space:nowrap;overflow:visible}.logo__text{display:inline-flex;align-items:center;gap:0;line-height:1.02;overflow:visible}.logo__text-note{font-family:Space Grotesk,sans-serif;font-size:1.52rem;font-weight:700;letter-spacing:-.08em;color:#23222d;position:relative;z-index:1}body.dark-theme .logo__text-note{color:#f5f7ff}.logo__text-sphere{margin-left:.08rem;padding:.34rem .14rem .12rem .04rem;font-family:Great Vibes,cursive;font-size:2.45rem;font-weight:400;line-height:1.08;letter-spacing:0;background:linear-gradient(90deg,#cc1495,#7e19d9 54%,#2a66ff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 10px 24px rgba(110,92,235,.18);transform:translateY(0)}body.dark-theme .logo__text-sphere{text-shadow:0 10px 26px rgba(76,119,255,.28)}.logo--footer .logo__text-note{font-size:1.36rem}.logo--footer .logo__text-sphere{font-size:2.12rem}.logo--footer{padding-inline:0}.nav-toggle{display:none;width:2.8rem;height:2.8rem;border-radius:14px;color:var(--text);background:#ffffffeb}body.dark-theme .nav-toggle{background:#ffffff4d}.nav-menu{display:flex;align-items:center;gap:.85rem}.nav-menu a,.nav-action-button{color:var(--text-soft);padding:.78rem 1rem;border-radius:14px;transition:var(--transition)}.nav-menu a:hover,.nav-menu a:focus-visible,.nav-action-button:hover,.nav-action-button:focus-visible{color:var(--text);background:#ffffff5c;transform:translateY(-2px)}.nav-menu a.active{color:var(--text);background:#5b7cff1f}.nav-action-button{display:inline-flex;align-items:center;gap:.55rem}.profile-menu{position:relative}.profile-menu--mobile,.mobile-header-right,.mobile-header-login{display:none}.profile-trigger{min-width:0;display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.42rem .58rem;border-radius:18px;color:var(--text);background:#ffffff2e;border:1px solid rgba(116,144,255,.22);box-shadow:0 14px 28px #0f172a14;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);transition:var(--transition)}body.dark-theme .profile-trigger{background:#121f3b47;border-color:#8aa0ff3d;box-shadow:0 18px 34px #03081452}.profile-trigger:hover,.profile-trigger:focus-visible,.profile-menu.is-open .profile-trigger{transform:translateY(-2px);box-shadow:0 18px 34px #0f172a1f}.profile-trigger__avatar{width:2.7rem;height:2.7rem;flex-shrink:0;display:grid;place-items:center;border-radius:50%;object-fit:cover;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:700;font-size:.95rem}.profile-trigger__avatar--fallback{box-shadow:inset 0 0 0 1px #ffffff42}.profile-trigger__copy{min-width:0;display:grid;text-align:left}.profile-trigger__chevron{font-size:.85rem}.profile-menu--desktop .profile-trigger__copy{display:none}.profile-trigger__copy strong,.profile-trigger__copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-trigger__copy strong{font-size:.95rem}.profile-trigger__copy small{color:var(--text-soft);font-size:.78rem}.profile-dropdown{position:absolute;top:calc(100% + .8rem);right:0;min-width:240px;display:grid;gap:.35rem;padding:.7rem;z-index:20;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);transition:opacity var(--transition),transform var(--transition),visibility var(--transition)}.profile-menu.is-open .profile-dropdown{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.profile-dropdown__link{width:100%;display:inline-flex;align-items:center;gap:.8rem;padding:.85rem .95rem;border-radius:16px;color:var(--text);background:transparent;text-align:left;transition:var(--transition)}.profile-dropdown__link:hover,.profile-dropdown__link:focus-visible{background:#5b7cff1f;color:var(--primary-dark);transform:translate(3px)}.nav-theme-toggle--mobile{display:none}.floating-theme-toggle{position:fixed;right:1rem;bottom:5.6rem;z-index:38;padding:.9rem 1rem;border-radius:18px;background:#ffffffeb;border:1px solid var(--border);box-shadow:var(--shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}body.dark-theme .floating-theme-toggle{background:#0c172ceb}.hero{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:2.5rem;min-height:calc(100vh - 8rem);padding-top:4.2rem}.eyebrow{display:inline-flex;align-items:center;gap:.45rem;padding:.5rem .9rem;border-radius:999px;background:#ffffff94;color:var(--primary-dark);font-size:.88rem;font-weight:700}body.dark-theme .eyebrow{background:#8aa0ff29;color:#e7eeff;border:1px solid rgba(138,160,255,.3)}.hero h1,.section-heading h2,.split-layout__intro h2,.auth-copy h2{margin:1rem 0;font-family:Space Grotesk,sans-serif;font-weight:700;line-height:1.05;letter-spacing:-.05em}.hero h1{font-size:clamp(2.8rem,6vw,5rem);max-width:11ch}.hero p,.section-heading p,.split-layout__intro p,.auth-copy p,.info-card p,.note-card p,.floating-card p,.site-footer p,.trending-card p,.user-card p{color:var(--text-soft);line-height:1.75}.hero__actions,.hero__stats{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.8rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:3.2rem;padding:.9rem 1.3rem;border-radius:16px;font-weight:700;transition:transform var(--transition),box-shadow var(--transition),background var(--transition)}.btn:hover,.btn:focus-visible{transform:translateY(-3px)}.btn--primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 14px 26px #5b7cff40}.btn--secondary{color:var(--text);background:#ffffff80;border:1px solid var(--border)}body.dark-theme .btn--secondary{color:#eef3ff;background:#8aa0ff29;border-color:#8aa0ff4d}.btn--ghost{color:var(--primary-dark);background:#5b7cff1f}.btn--full{width:100%}.hero__search,.stat-card,.floating-card,.upload-form,.explore-toolbar,.course-shortcuts,.empty-state,.auth-card,.info-card,.trending-card,.note-card,.user-card{border-radius:var(--radius-lg)}.hero__search{margin-top:1.7rem;display:grid;grid-template-columns:auto 1fr auto;gap:.9rem;align-items:center;padding:.95rem 1rem}.hero__search i,.search-field i{color:var(--primary)}.hero__search input,.search-field input{padding:0;border:none;background:transparent;box-shadow:none}.stat-card{padding:.85rem 1rem;min-width:128px}.stat-card strong{display:block;font-size:1.3rem;margin-bottom:.3rem}.hero__visual{position:relative;min-height:540px}.floating-card{position:absolute;padding:1.25rem;transition:transform var(--transition),box-shadow var(--transition)}.floating-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}.floating-card--main{top:2rem;right:1rem;width:min(100%,360px)}.floating-card--small{left:0;bottom:5rem;display:flex;gap:1rem;align-items:center;width:min(100%,300px)}.floating-card__tag{display:inline-block;padding:.35rem .7rem;border-radius:999px;color:#fff;background:linear-gradient(135deg,var(--accent),#ffbf78);font-size:.82rem;font-weight:700}.floating-card__meta{display:flex;gap:1rem;color:var(--text-soft);margin-top:1rem}.floating-card--small i{width:3rem;height:3rem;display:grid;place-items:center;border-radius:14px;background:#5b7cff26;color:var(--primary)}.hero__glow{position:absolute;border-radius:50%;filter:blur(16px);opacity:.9}.hero__glow--one{inset:5% 25% auto auto;width:180px;height:180px;background:#6ed3c461;animation:floatY 5s ease-in-out infinite}.hero__glow--two{inset:auto auto 10% 18%;width:220px;height:220px;background:#5b7cff40;animation:floatY 6s ease-in-out infinite reverse}.section{padding:2rem 0 5rem}.section-heading{margin-bottom:1.8rem;max-width:660px}.section-heading h2,.split-layout__intro h2,.auth-copy h2{font-size:clamp(2rem,4vw,3.3rem)}.subjects-grid,.trending-grid,.notes-grid{display:grid;gap:1rem}.faq-list{display:grid;gap:1rem;margin-top:1.5rem}.subjects-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.subject-pill{display:flex;align-items:center;gap:.7rem;padding:.95rem;text-align:left;color:var(--text);transition:var(--transition)}.subject-pill i{width:2.4rem;height:2.4rem;display:grid;place-items:center;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary))}.subject-pill:hover,.subject-pill:focus-visible{transform:translateY(-8px);box-shadow:var(--shadow)}.trending-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.trending-card,.note-card,.user-card{padding:1.05rem;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}.trending-card:hover,.note-card:hover,.user-card:hover{transform:translateY(-10px);box-shadow:var(--shadow);border-color:#5b7cff40}.trending-card--link{display:block;color:inherit;text-decoration:none}.trending-card--link:focus-visible{outline:2px solid rgba(91,124,255,.45);outline-offset:4px}.trending-card__meta,.note-card__meta{display:flex;flex-wrap:wrap;gap:.55rem;margin:.8rem 0}.trending-card__meta span,.note-card__meta span,.note-card__chip{display:inline-flex;align-items:center;gap:.4rem;padding:.38rem .62rem;border-radius:999px;background:#5b7cff1f;color:var(--primary-dark);font-size:.8rem;font-weight:700}.note-card__topbar{display:flex;align-items:center;justify-content:space-between;gap:.9rem}.note-card__icon-actions{display:inline-flex;align-items:center;gap:.45rem}.note-card__icon-action{width:2.4rem;height:2.4rem;border:1px solid rgba(91,124,255,.16);border-radius:14px;background:#5b7cff14;color:var(--primary);display:inline-flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0}.note-card__icon-action:hover,.note-card__icon-action:focus-visible{transform:translateY(-1px);border-color:#5b7cff47;background:#5b7cff24}.note-card__icon-action--primary{border-color:#5b7cff38;background:linear-gradient(135deg,#5b7cfff2,#3f61e0f2);color:#fff;box-shadow:0 10px 20px #5b7cff38}.note-card__icon-action--primary:hover,.note-card__icon-action--primary:focus-visible{border-color:#5b7cff47;background:linear-gradient(135deg,#5b7cff,#3f61e0)}body.dark-theme .note-card__icon-action{border-color:#8aa0ff33;background:#8aa0ff1f;color:#d7e2ff}body.dark-theme .note-card__icon-action--primary{border-color:#8aa0ff47;background:linear-gradient(135deg,#8aa0fff2,#6c86fff2);color:#fff;box-shadow:0 10px 22px #6c86ff38}.faq-item{padding:1.2rem 1.3rem;border-radius:24px;transition:var(--transition)}.faq-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.faq-item[open]{background:#ffffff7a}body.dark-theme .faq-item[open]{background:#121f3bd1}.faq-item__summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;cursor:pointer;list-style:none;font-family:Space Grotesk,sans-serif;font-size:1.08rem;font-weight:700}.faq-item__summary::-webkit-details-marker{display:none}.faq-item__summary i{width:2.4rem;height:2.4rem;flex-shrink:0;display:grid;place-items:center;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent));transition:transform var(--transition)}.faq-item[open] .faq-item__summary i{transform:rotate(45deg)}.faq-item p{margin:1rem 0 0;max-width:70ch;color:var(--text-soft);line-height:1.7}.split-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:1.5rem;align-items:start}.profile-grid{display:grid;grid-template-columns:minmax(280px,340px) minmax(0,1fr);gap:1.5rem;align-items:start}.profile-card{position:sticky;top:7.6rem;display:grid;gap:1.4rem;padding:1.25rem}.profile-card__avatar-wrap{position:relative;width:min(180px,100%);margin:0 auto}.profile-card__avatar{width:100%;aspect-ratio:1;display:grid;place-items:center;border-radius:32px;background:radial-gradient(circle at top,#ffffffc7,#ffffff2e),linear-gradient(135deg,#5b7cff38,#2cc1be29);border:1px solid rgba(255,255,255,.55)}body.dark-theme .profile-card__avatar{background:radial-gradient(circle at top,#ffffff1f,#8aa0ff14),linear-gradient(135deg,#5b7cff29,#2cc1be1f);border-color:#8aa0ff2e}.profile-card__avatar-trigger{position:absolute;right:.7rem;bottom:.7rem;width:2.75rem;height:2.75rem;border:1px solid rgba(255,255,255,.55);border-radius:999px;background:linear-gradient(135deg,#5b7cfffa,#43a2fff5);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 14px 28px #2e54b53d}body.dark-theme .profile-card__avatar-trigger{border-color:#8aa0ff47}.profile-card__avatar-menu{position:absolute;right:0;top:calc(100% + .75rem);width:min(220px,82vw);padding:.55rem;border-radius:22px;border:1px solid var(--border);background:#fffffff5;box-shadow:var(--shadow);display:none;z-index:6}body.dark-theme .profile-card__avatar-menu{background:#0c172cf5}.profile-card__avatar-menu.is-open{display:grid;gap:.35rem;animation:fadeUp .25s ease}.profile-card__avatar-menu-item{width:100%;display:inline-flex;align-items:center;gap:.7rem;padding:.85rem .95rem;border-radius:16px;background:transparent;color:var(--text-color);text-align:left;transition:var(--transition)}.profile-card__avatar-menu-item:hover:not(:disabled),.profile-card__avatar-menu-item:focus-visible:not(:disabled){background:#5b7cff1a}.profile-card__avatar-menu-item--danger{color:#ff6b85}.profile-card__avatar-menu-item--danger:hover:not(:disabled),.profile-card__avatar-menu-item--danger:focus-visible:not(:disabled){background:#ff56771f}.profile-card__avatar-menu-item:disabled{opacity:.65;cursor:not-allowed}.profile-card__avatar-image,.profile-card__avatar-fallback{width:calc(100% - 1.2rem);height:calc(100% - 1.2rem);border-radius:24px}.profile-card__avatar-image{object-fit:cover}.profile-card__avatar-fallback{display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-family:Space Grotesk,sans-serif;font-size:clamp(2rem,5vw,3rem);font-weight:700;letter-spacing:-.05em}.profile-card__copy,.profile-card__info-list{display:grid;gap:.85rem}.profile-card__info-item{display:grid;gap:.45rem}.profile-card__info-label{font-size:.9rem;font-weight:700;color:var(--heading-color)}.profile-card__info-value{min-height:3rem;padding:.9rem 1rem;border:1px solid var(--border);border-radius:18px;background:#ffffff85;color:var(--text-color);display:flex;align-items:center;word-break:break-word}body.dark-theme .profile-card__info-value{background:#ffffff0a}.profile-card__actions,.profile-card__form{display:grid;gap:.95rem}.profile-card__button-group{display:flex;align-items:center;gap:.8rem}.profile-card__button-group .btn{flex:1 1 auto}.profile-content{min-width:0}.profile-stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:1.4rem}.info-stack{display:grid;gap:1rem;margin-top:1.5rem}.info-card,.upload-form,.auth-card,.feedback-form{padding:1.15rem}.feedback-form{display:grid;gap:.2rem}.feedback-form .btn{margin-top:.4rem}.info-card{display:flex;align-items:start;gap:.85rem}.info-card i{width:2.55rem;height:2.55rem;display:grid;place-items:center;border-radius:14px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent))}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.55rem;font-weight:700}.form-hint{display:flex;justify-content:space-between;gap:.75rem;margin-top:.5rem;color:var(--text-soft);font-size:.88rem;line-height:1.5}.file-dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.7rem;min-height:190px;padding:1.5rem;border:1.5px dashed rgba(91,124,255,.35);border-radius:24px;background:#ffffff40;text-align:center;transition:var(--transition)}.file-dropzone:hover{transform:translateY(-4px);border-color:#5b7cff99}.file-dropzone i{font-size:2rem;color:var(--primary)}.file-dropzone input{display:none}.explore-toolbar{display:flex;gap:1rem;align-items:center;justify-content:space-between;padding:.85rem .95rem;margin-bottom:1.4rem}.search-field{display:flex;align-items:center;gap:.9rem;flex:1}.notes-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.admin-users-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.admin-feedback-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.note-card{position:relative;overflow:hidden}.note-card--focused{border-color:#5b7cff66;box-shadow:0 18px 45px #5b7cff2e}.user-card{position:relative;overflow:hidden}.note-card:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(255,255,255,.12),transparent 50%);pointer-events:none}.note-card h3,.trending-card h3,.floating-card h3,.info-card h3,.user-card h3{margin:.45rem 0;font-size:1.02rem;line-height:1.35}.trending-card__cta{display:inline-flex;align-items:center;gap:.35rem;font-size:.92rem;font-weight:700;color:var(--primary)}.note-card__header,.user-card__header{display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem;flex-wrap:wrap}.note-card__actions{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-top:.8rem}.note-card__buttons{display:flex;flex-wrap:wrap;gap:.55rem;justify-content:flex-end}.note-card__downloads{color:var(--text-soft);font-size:.95rem}.status-badge{display:inline-flex;align-items:center;justify-content:center;min-width:88px;padding:.4rem .75rem;border-radius:999px;font-size:.82rem;font-weight:700;text-transform:capitalize}.status-badge--approved{color:#0b5b43;background:#21b5882e}.status-badge--pending{color:#855300;background:#ffc45c33}.status-badge--rejected{color:#8a2040;background:#f15a7c33}body.dark-theme .status-badge--approved{color:#b6f6df;background:#42d3a438}body.dark-theme .status-badge--pending{color:#ffe7a6;background:#ffc45c2e}body.dark-theme .status-badge--rejected{color:#ffc1cf;background:#f15a7c33}.user-card__meta{display:grid;gap:.55rem;margin:.8rem 0;color:var(--text-soft)}.user-card__content-types{margin-bottom:.8rem}.feedback-card__message{margin:.75rem 0 0;color:var(--text);line-height:1.7;white-space:pre-wrap;word-break:break-word}.user-card__content-types strong{display:block;margin-bottom:.7rem}.content-tags{display:flex;flex-wrap:wrap;gap:.55rem}.content-tag{display:inline-flex;align-items:center;padding:.45rem .7rem;border-radius:999px;background:#5b7cff1f;color:var(--primary-dark);font-size:.85rem;font-weight:700}body.dark-theme .content-tag{background:#8aa0ff29;color:#e7eeff}.empty-state{padding:.9rem 1rem;text-align:center;color:var(--text-soft)}.page-status{margin:1.5rem 0;padding:1rem 1.2rem;text-align:center;color:var(--text-soft);border-radius:24px}.app-error-boundary{max-width:620px;margin:0 auto;padding:1.6rem;text-align:center}.app-error-boundary h2{margin:1rem 0 .65rem}.app-error-boundary p{color:var(--text-soft)}.app-error-boundary__actions{display:flex;justify-content:center;flex-wrap:wrap;gap:.85rem;margin-top:1.4rem}.pagination-controls{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin-top:1.5rem;padding:1rem 1.2rem;border-radius:24px}.pagination-controls__summary{margin:0;color:var(--text-soft)}.pagination-controls__buttons{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem}.pagination-controls__page{font-weight:700}.preview-modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:1rem}.preview-modal__backdrop{position:absolute;inset:0;background:#030914a8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.preview-modal__panel{position:relative;z-index:1;width:min(100%,980px);max-height:90vh;padding:1.2rem;border-radius:28px;overflow:hidden}.preview-modal__header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1rem}.preview-modal__header h3{margin:.8rem 0 .2rem}.preview-modal__header p{margin:0;color:var(--text-soft)}.preview-modal__close{width:2.8rem;height:2.8rem;border-radius:14px;background:#ffffff2e;color:var(--text)}.preview-modal__body{max-height:calc(90vh - 7rem);overflow:auto}.preview-modal__frame{width:100%;min-height:70vh;border:none;border-radius:20px;background:#fff}.preview-modal__image{width:100%;max-height:70vh;object-fit:contain;border-radius:20px;background:#ffffff14}.preview-modal__text{margin:0;padding:1.2rem;border-radius:20px;background:#081020c7;color:#eef3ff;white-space:pre-wrap;line-height:1.7;overflow:auto}.preview-modal__fallback{display:grid;justify-items:center;gap:.9rem;padding:2rem;text-align:center}.preview-modal__fallback i{font-size:2rem;color:var(--primary)}.preview-modal__actions{display:flex;justify-content:flex-end;gap:.75rem;margin:0 0 .9rem;flex-wrap:wrap}.section--compact{padding-top:2rem}.explore-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.9rem;align-items:center}.explore-toolbar__actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:flex-end}.search-field{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.8rem;align-items:center;padding:.15rem .1rem}.course-shortcuts{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1rem;padding:1rem}.course-shortcuts__button{min-height:2.9rem;padding:.72rem 1.1rem;border-radius:999px;border:1px solid rgba(91,124,255,.16);background:#ffffff8c;color:var(--text);font-weight:700;transition:var(--transition)}.course-shortcuts__button:hover,.course-shortcuts__button:focus-visible{transform:translateY(-2px);border-color:#5b7cff47;box-shadow:var(--shadow-soft)}.course-shortcuts__button.is-active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-color:transparent;box-shadow:0 12px 24px #5b7cff3d}body.dark-theme .course-shortcuts__button{background:#8aa0ff1a;border-color:#8aa0ff38;color:#eef3ff}.notes-grid--compact,.notes-grid--subject{margin-top:1rem}.subject-section+.subject-section{margin-top:2rem}.subject-section__header{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem}.subject-section__header h3{margin:.7rem 0 0;font-family:Space Grotesk,sans-serif;font-size:clamp(1.4rem,2.5vw,2rem);letter-spacing:-.04em}.subject-section__count{color:var(--text-soft);font-weight:700}.eyebrow--subject{background:#5b7cff24}body.dark-theme .eyebrow--subject{background:#8aa0ff2e}.checkbox-row{display:flex;align-items:center;gap:.75rem}.checkbox-row input{width:auto;margin:0}.checkbox-row label{margin:0}.form-actions{display:grid;gap:.9rem}.password-field{position:relative}.password-field input{padding-right:3.25rem}.password-toggle{position:absolute;top:50%;right:.7rem;transform:translateY(-50%);width:2.2rem;height:2.2rem;display:grid;place-items:center;border-radius:12px;color:var(--text-soft);background:transparent;transition:var(--transition)}.password-toggle:hover,.password-toggle:focus-visible{color:var(--text);background:#5b7cff1a}.text-link{display:inline-flex;align-items:center;margin-top:.4rem;color:var(--primary-dark);font-weight:700}.dashboard-editor__heading{margin-bottom:1rem}.dashboard-editor__heading h2{margin-bottom:.6rem}.file-dropzone--disabled{opacity:.72;pointer-events:none}.auth-card{display:grid;grid-template-columns:.95fr 1.05fr;gap:1.5rem}.auth-panel{background:#ffffff38;border-radius:24px;padding:1.1rem;border:1px solid var(--border)}body.dark-theme .auth-panel{background:#14213cb8;border-color:#8aa0ff2e;box-shadow:0 14px 32px #0000002e}.auth-switcher{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;margin-bottom:1rem}.auth-tab{min-height:3rem;border-radius:16px;color:var(--text-soft);background:#ffffff4d;transition:var(--transition)}body.dark-theme .auth-tab{color:#dbe5ff;background:#8aa0ff1f;border:1px solid rgba(138,160,255,.24)}.auth-tab.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 10px 20px #5b7cff33}body.dark-theme .auth-tab.active{color:#fff;box-shadow:0 10px 24px #6c86ff52}.auth-form{display:none}.auth-form.active{display:block;animation:fadeUp .35s ease}.auth-form__helper-link{margin-top:.7rem}.auth-feedback{margin-top:1rem;padding:.95rem 1rem;border-radius:20px;border:1px solid rgba(91,124,255,.18);background:#5b7cff14;color:var(--text-soft)}.auth-feedback strong{color:var(--text)}.auth-feedback code{word-break:break-all}body.dark-theme .auth-feedback{background:#8aa0ff1f;border-color:#8aa0ff3d;color:#d7e2ff}.admin-info-card{padding:1.1rem 1.2rem;border-radius:24px;margin-top:1.4rem}.admin-info-card h3{margin:0 0 .35rem}.admin-layout .split-layout__intro{display:grid;gap:1.2rem}.admin-summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.admin-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-soft) 50%),linear-gradient(135deg,var(--text-soft) 50%,transparent 50%);background-position:calc(100% - 20px) calc(50% - 3px),calc(100% - 14px) calc(50% - 3px);background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:2.8rem}.admin-toolbar-actions{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.admin-toolbar-actions .admin-select{min-width:170px}body.dark-theme .auth-form input{background:#ffffff12;border-color:#8aa0ff2e;color:#eef3ff}body.dark-theme .auth-form input::placeholder{color:#98a8cc}body.dark-theme .auth-form label{color:#e4ecff}body.dark-theme .admin-select{color:#eef3ff}.site-footer{padding:0 0 2rem}.footer-content{display:grid;gap:1.1rem;padding:1.4rem;border-radius:28px;background:var(--surface-strong);border:1px solid var(--border);box-shadow:var(--shadow-soft)}.footer-main{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}.footer-copyright{padding-top:1rem;border-top:1px solid var(--border);text-align:center}.footer-copyright p{margin:0;font-size:.95rem;font-weight:700;letter-spacing:.01em}.footer-links,.social-links{display:flex;flex-wrap:wrap;gap:1rem}.social-links a{width:2.8rem;height:2.8rem;display:grid;place-items:center;border-radius:14px;background:#ffffff59;transition:var(--transition)}.social-links a:hover{transform:translateY(-3px);background:#5b7cff29}.toast-container{position:fixed;right:1rem;bottom:1rem;z-index:90;display:grid;gap:.8rem}.toast{min-width:260px;max-width:340px;padding:1rem 1.1rem;border-radius:18px;color:#fff;background:linear-gradient(135deg,#16386a,#294f97);box-shadow:var(--shadow);animation:fadeUp .35s ease;transition:opacity .25s ease,transform .25s ease}.toast.toast--success{background:linear-gradient(135deg,#118365,#29b492)}.toast.toast--info{background:linear-gradient(135deg,#3d56b8,#637eff)}.toast.toast--error{background:linear-gradient(135deg,#9a2b51,#d74975)}.reveal{opacity:0;transform:translateY(32px);transition:opacity .65s ease,transform .65s ease}.reveal.is-visible{opacity:1;transform:translateY(0)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes floatY{0%,to{transform:translateY(0)}50%{transform:translateY(-18px)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1080px){.site-header{padding-top:5.6rem}.hero,.split-layout,.profile-grid,.auth-card{grid-template-columns:1fr}.hero{min-height:auto}.hero__visual{min-height:420px}.subjects-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.trending-grid,.notes-grid,.admin-users-grid,.admin-feedback-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-card{position:static}.profile-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.site-header{padding-top:5.85rem}.navbar{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;column-gap:.55rem;padding:.9rem 1rem}.logo{min-width:0;justify-self:start}.logo__text-note{font-size:1.08rem}.logo__text-sphere{font-size:1.95rem;line-height:1.06;margin-left:.04rem;padding:.26rem .08rem .1rem .02rem;transform:translateY(0)}.nav-toggle{display:inline-grid;place-items:center;justify-self:center}.mobile-header-right{display:flex;justify-content:flex-end;justify-self:end;min-width:2.8rem}.mobile-header-login{display:inline-flex;align-items:center;justify-content:center;min-width:2.8rem;min-height:2.8rem;padding:.55rem .85rem;border-radius:14px;color:var(--text);background:#ffffffc7;border:1px solid rgba(255,255,255,.62);font-size:.92rem;font-weight:700;box-shadow:0 10px 24px #2c45781f}body.dark-theme .mobile-header-login{background:#121f3be6;border-color:#8aa0ff2e;color:#eef3ff}.mobile-header-spacer{display:block;width:2.8rem;height:2.8rem}.profile-menu--mobile{display:block}.profile-menu--desktop{display:none}.profile-menu--mobile .profile-trigger{width:auto;padding:0;border:none;background:transparent;box-shadow:none;transform:none;gap:.35rem}body.dark-theme .profile-menu--mobile .profile-trigger{background:transparent;box-shadow:none;border-color:transparent}.profile-menu--mobile .profile-trigger__copy{display:none}.profile-menu--mobile .profile-trigger__avatar{width:2.8rem;height:2.8rem}.profile-menu--mobile .profile-trigger__chevron{display:inline-flex;align-items:center;justify-content:center;font-size:.8rem;color:var(--text)}.nav-menu{position:absolute;top:calc(100% + .8rem);left:0;right:0;display:none;flex-direction:column;align-items:stretch;padding:1rem;border-radius:24px;background:#fffffff5;border:1px solid var(--border);box-shadow:var(--shadow)}body.dark-theme .nav-menu{background:#0c172cf5}.nav-menu.is-open{display:flex;animation:fadeUp .3s ease}.profile-menu{width:100%}.profile-trigger{width:100%;justify-content:center}.profile-dropdown{position:static;min-width:100%;margin-top:.65rem}.profile-menu--mobile .profile-dropdown{position:absolute;top:calc(100% + .7rem);right:0;min-width:220px;margin-top:0}.nav-menu a,.nav-action-button{width:100%;justify-content:center}.nav-theme-toggle--mobile{display:inline-flex}.nav-theme-toggle--desktop{display:none}.hero{padding-top:1.2rem}.hero__search{grid-template-columns:1fr}.floating-card--main,.floating-card--small{position:relative;width:100%;inset:auto}.hero__visual{display:grid;gap:1rem;min-height:auto}.hero__glow{display:none}.subjects-grid,.trending-grid,.notes-grid,.admin-users-grid,.admin-feedback-grid{grid-template-columns:1fr}.note-card__topbar{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:.65rem}.note-card__topbar .note-card__chip{min-width:0;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.note-card__icon-actions{justify-content:flex-end}.note-card__icon-action{width:2.55rem;height:2.55rem}.explore-toolbar,.note-card__actions,.footer-main,.pagination-controls{flex-direction:column;align-items:stretch}.user-card__header,.note-card__header{align-items:flex-start}.note-card__buttons{width:100%;flex-direction:column;justify-content:stretch}.note-card__buttons .btn,.admin-toolbar-actions,.admin-toolbar-actions .btn,.admin-toolbar-actions .admin-select{width:100%}.profile-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.subject-section__header{align-items:flex-start;flex-direction:column}}@media(max-width:540px){.container{width:min(100% - 1rem,100%)}.site-header{padding-top:5.55rem}.hero h1{font-size:clamp(2.35rem,11vw,3rem)}.section{padding:1.5rem 0 4rem}.subjects-grid,.admin-summary-grid{grid-template-columns:1fr}.profile-card{position:static}.profile-card__button-group{flex-wrap:wrap}.profile-card__avatar-menu{width:100%}.profile-stats-grid{grid-template-columns:1fr}.preview-modal{padding:.65rem;align-items:start}.preview-modal__panel{width:100%;max-height:92vh;padding:.95rem;border-radius:22px}.preview-modal__header{gap:.75rem;margin-bottom:.75rem}.preview-modal__actions{position:sticky;top:0;z-index:2;justify-content:stretch;gap:.55rem;margin-bottom:.75rem;padding:.1rem 0 .2rem;background:linear-gradient(180deg,var(--surface-strong),rgba(255,255,255,0))}.preview-modal__actions .btn{flex:1 1 0;min-height:2.9rem}body.dark-theme .preview-modal__actions{background:linear-gradient(180deg,#0c172cf5,#0c172c00)}}.content-type-switcher{display:inline-flex;gap:.6rem;padding:.45rem;margin-bottom:1.5rem;border-radius:999px}.content-type-switcher__button{border:0;background:transparent;color:inherit;padding:.8rem 1.2rem;border-radius:999px;font:inherit;font-weight:700;cursor:pointer;transition:transform .2s ease,background-color .2s ease}.content-type-switcher__button.is-active{background:#ffffff1f}.question-bank-form-grid,.question-bank-filter-grid,.module-grid{display:grid;gap:1rem}.question-bank-form-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.question-bank-filter-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));width:100%}.question-bank-toolbar{display:grid;gap:1rem;margin-bottom:1.5rem}.question-bank-breadcrumb{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-bottom:1.5rem}.module-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.module-grid .info-card{align-items:flex-start}.module-grid .btn{margin-top:1rem}@media(max-width:768px){.content-type-switcher{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}
