:root{--primary: #2563eb;--primary-light: #e0e7ff;--secondary: #10b981;--danger: #ef4444;--warning: #f59e0b;--background: #e2e8f0;--surface: #ffffff;--surface-light: #f1f5f9;--text: #1e293b;--text-light: #64748b;--border: #cbd5e1;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}@media (prefers-color-scheme: dark){:root{--background: #0f172a;--surface: #1e293b;--surface-light: #2d3748;--text: #ffffff;--text-light: #cbd5e0;--border: #4a5568;--primary-light: #1e3a8a;--shadow: 0 4px 6px -1px rgb(0 0 0 / .3)}}*{box-sizing:border-box}body{margin:0;font-family:Outfit,Inter,-apple-system,sans-serif;background-color:#94a3b8;color:var(--text);-webkit-tap-highlight-color:transparent;line-height:1.5}.app-layout{min-height:100vh;margin:0 auto;background-color:var(--background);display:flex;flex-direction:column}@media (max-width: 1023px){.app-layout{max-width:600px;box-shadow:0 0 50px #00000040}.app-nav{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);width:90%;max-width:500px;background:var(--surface);display:flex;justify-content:space-around;padding:.8rem;border-radius:20px;border:1px solid var(--border);z-index:1000;box-shadow:var(--shadow-lg)}.nav-label-desktop{display:none}.sidebar-header{display:none!important}}@media (min-width: 1024px){.app-layout{max-width:1200px;display:grid;grid-template-columns:260px 1fr;grid-template-rows:1fr;box-shadow:0 0 60px #0000004d;margin:2rem auto;border-radius:24px;min-height:90vh;height:auto;max-height:none;overflow:visible}.app-header{display:none!important}.app-nav{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:2rem 1.5rem;gap:1rem;height:100%}.app-nav button{flex-direction:row!important;justify-content:flex-start!important;padding:1rem!important;font-size:1rem!important;gap:12px!important;width:100%}.app-main{height:100%;overflow-y:auto;padding:2rem!important;background:transparent}.desktop-logo{display:block!important}.desktop-logout{display:flex!important}}.card{background:var(--surface);border-radius:16px;padding:1.5rem;box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:1.25rem}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.btn{padding:.8rem 1.5rem;border-radius:12px;border:none;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:active{transform:scale(.96)}input,select,textarea{background:#fff;color:#1e293b;border:1px solid #cbd5e1;padding:.8rem;border-radius:10px;width:100%;font-size:1rem;outline:none;transition:border-color .2s,box-shadow .2s}@media (max-width: 1023px){.app-layout{padding-bottom:7rem}.app-nav{padding:.5rem 1rem;width:95%;justify-content:space-between;bottom:1rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffe6}@media (prefers-color-scheme: dark){.app-nav{background:#1e293be6}}.app-nav button{flex:1;display:flex;justify-content:center;align-items:center;padding:4px 0!important;font-size:.75rem!important}.app-nav button span:first-child{font-size:1.5rem!important;margin-bottom:2px}.desktop-spacer{display:none}}input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}#reader,#search-reader{background:var(--surface)!important;color:var(--text)!important;border:none!important}#reader__dashboard_section_csr button,#search-reader__dashboard_section_csr button{background:var(--primary)!important;color:#fff!important;border-radius:8px!important;padding:8px 16px!important;border:none!important}#reader video,#search-reader video{border-radius:12px}@media (min-width: 1024px){::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px}}.form-section-title{font-size:.85rem;color:var(--text-light);margin-bottom:.75rem;margin-top:1.5rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600}.btn-secondary{padding:.6rem 1rem;background-color:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s}.btn-secondary:hover{background-color:var(--border)}input,select,textarea{background-color:var(--surface);color:var(--text);border:1px solid var(--border);padding:.8rem;border-radius:10px;width:100%;font-size:1rem;outline:none;transition:border-color .2s,box-shadow .2s,background-color .3s}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}@media (prefers-color-scheme: dark){input,select,textarea{background-color:#1e293b;border-color:#4a5568;color:#fff}.form-section{background-color:#1e293b;border-color:#334155}}