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60px);margin:auto}.page-loader,.not-found{min-height:60vh;color:var(--muted);text-align:center;place-content:center;justify-items:center;gap:14px;display:grid}.not-found span{color:var(--emerald);font:700 56px/1 Inter,sans-serif}.not-found h1{color:var(--navy);margin:0;font-size:21px}.admin-page{min-height:70vh;padding:50px 24px 80px}.admin-login-card{border:1px solid var(--line);width:min(100%,440px);box-shadow:var(--shadow-soft);background:#fff;border-radius:17px;margin:5vh auto;padding:30px}.admin-login-card h1{color:var(--navy);margin:0 0 7px;font-size:23px}.admin-login-card>p{color:#7a8989;margin:0 0 23px;font-size:12px;line-height:1.8}.admin-login-card form{gap:15px;display:grid}.form-label{font-size:12px}.form-label input,.form-label select,.form-label textarea{min-height:45px;padding-inline:12px;font-size:13px}.button{border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:0 15px;font-size:12px;font-weight:600;transition:all .16s;display:inline-flex}.button-secondary{color:var(--teal);background:#fff;border-color:#dce7e2}.button-secondary:hover{color:var(--emerald);background:#f5fbf8;border-color:#a9d3c3}.button-danger{color:#fff;background:#a9473d}.button-danger:hover{background:#8c372e}.form-error{color:#943f37;background:#fff1ef;border-radius:8px;margin:0;padding:10px 12px;font-size:11px;line-height:1.7}.form-hint{color:#7f8c8d;font-size:10px;line-height:1.7}.admin-layout{max-width:1240px;margin:auto;padding:35px 28px 75px}.admin-topbar{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:27px;display:flex}.admin-topbar h1{color:var(--navy);margin:6px 0 4px;font-size:26px}.admin-topbar p{color:#778787;margin:0;font-size:12px}.admin-actions{align-items:center;gap:10px;display:flex}.admin-user-pill{border:1px solid var(--line);color:#617571;background:#fff;border-radius:999px;align-items:center;gap:8px;padding:8px 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Inter,sans-serif;display:block}.admin-panel{border:1px solid var(--line);background:#fff;border-radius:13px;padding:18px}.admin-panel-head{justify-content:space-between;align-items:center;gap:15px;margin-bottom:16px;display:flex}.admin-panel-head h2{color:var(--navy);margin:0;font-size:15px}.admin-panel-head p{color:#899594;margin:4px 0 0;font-size:10px}.admin-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;display:grid}.admin-grid .wide{grid-column:1/-1}.admin-form{background:#f9fbfa;border:1px solid #e4ece8;border-radius:11px;gap:13px;margin-bottom:20px;padding:15px;display:grid}.admin-form-actions{flex-wrap:wrap;gap:9px;display:flex}.admin-table-wrap{border:1px solid #e6ece9;border-radius:10px;overflow:auto}.admin-table{border-collapse:collapse;text-align:right;width:100%;min-width:620px}.admin-table th{color:#82908f;white-space:nowrap;background:#f6f9f7;padding:11px 13px;font-size:10px;font-weight:600}.admin-table td{color:#435c60;vertical-align:middle;border-top:1px 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11px;font-size:11px}.invite-result{color:#315d50;background:#eaf7f1;border-radius:9px;gap:9px;margin-top:13px;padding:13px;font-size:11px;display:grid}.invite-url{overflow-wrap:anywhere;color:#355e52;direction:ltr;background:#fff;border:1px solid #d5e9df;border-radius:7px;padding:9px;font:11px/1.6 Inter,sans-serif}.toast{z-index:90;color:#fff;background:var(--navy);max-width:min(90vw,440px);box-shadow:var(--shadow);inset-inline-start:24px;border-radius:10px;padding:12px 16px;font-size:12px;animation:.15s both fade-in;position:fixed;bottom:24px}.toast.success{background:#176b57}.toast.error{background:#a2443a}@keyframes spin{to{transform:rotate(360deg)}}@keyframes reveal{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@media (max-width:930px){.header-inner{height:72px;padding-inline:23px}.hero-inner{grid-template-columns:1fr .58fr;gap:22px;padding:68px 26px 54px}.hero-visual{width:260px}.book-plate{width:166px;height:168px}.book-plate svg{width:91px;height:91px}.year-list,.subject-list{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:680px){.header-inner{height:66px;padding-inline:17px}.brand-mark{border-radius:12px;width:39px;height:39px}.brand-mark svg{width:34px;height:34px}.brand-copy strong{font-size:15px}.brand-copy small{font-size:8px}.menu-toggle{place-items:center;display:grid}.main-nav{border-bottom:1px solid var(--line);top:65px;background:#fff;align-items:stretch;gap:0;padding:8px 17px 15px;display:none;position:absolute;inset-inline:0;box-shadow:0 15px 20px #102b3612}.main-nav.is-open{display:grid}.nav-link{padding:12px 5px}.nav-link.active:after{inset-inline-start:auto;border-radius:3px;width:3px;height:19px;top:11px;bottom:auto}.admin-link{justify-content:center;margin-top:6px}.hero-inner{padding:48px 20px 54px;display:block}.hero h1{max-width:520px;margin-top:17px;font-size:clamp(32px,8vw,43px)}.hero-intro{max-width:500px;font-size:13px}.hero-visual{display:none}.hero-brand-note{margin-top:22px}.page-container{padding-inline:17px}.search-dock{margin-top:-24px}.search-panel{border-radius:14px;padding:8px}.search-row{gap:8px;min-height:48px;padding-inline:9px}.search-row input{font-size:12px}.search-submit{min-height:36px;padding-inline:12px;font-size:11px}.filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section{padding-top:43px}.section-heading{margin-bottom:16px}.section-heading h2{font-size:19px}.section-subtitle{font-size:11px}.year-list{gap:9px}.year-card{min-height:123px;padding:15px}.year-card h3{font-size:14px}.year-card p{font-size:10px}.subject-list{grid-template-columns:1fr;gap:9px}.subject-card{min-height:79px;padding:13px}.resource-card{grid-template-columns:39px minmax(0,1fr);gap:10px 12px;padding:14px;display:grid}.file-icon{border-radius:11px;width:39px;height:39px}.resource-main h3{font-size:12px}.resource-meta{gap:6px;font-size:9px}.resource-actions{grid-column:2;justify-content:flex-start;margin-inline-start:0}.icon-action{width:34px;height:34px}.download-action{min-height:34px}.footer-inner{flex-direction:column;align-items:flex-start;gap:20px;padding:28px 18px}.footer-meta{justify-items:start}.admin-page{padding:35px 17px 65px}.admin-login-card{padding:23px 19px}.admin-layout{padding:27px 16px 60px}.admin-topbar{flex-direction:column;align-items:flex-start}.admin-topbar h1{font-size:22px}.admin-actions{flex-wrap:wrap;width:100%}.admin-user-pill{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.admin-tabs{margin-inline:-3px}.stats-grid{grid-template-columns:1fr}.stat-card{min-height:84px}.admin-grid{grid-template-columns:1fr}.admin-grid .wide{grid-column:auto}.admin-panel{padding:13px}.admin-panel-head{flex-direction:column;align-items:flex-start}.admin-search{width:100%}.modal-backdrop{padding:10px}.preview-modal{border-radius:12px;height:86vh}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.resource-admin-stack{gap:18px;display:grid}.filter-admin-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:end;gap:10px}.filter-admin-grid .form-label{min-width:0}.upload-progress{color:#617774;gap:7px;font-size:11px;display:grid}.upload-progress progress{appearance:none;background:#e6efea;border:0;border-radius:999px;width:100%;height:8px;overflow:hidden}.upload-progress progress::-webkit-progress-bar{background:#e6efea;border-radius:999px}.upload-progress progress::-webkit-progress-value{background:var(--emerald);border-radius:999px;transition:width .14s}.upload-progress progress::-moz-progress-bar{background:var(--emerald);border-radius:999px}.search-inline{color:var(--emerald);align-items:center;gap:8px;display:flex}.search-inline .admin-search{flex:1}.year-search{margin-top:15px}.section-mark{width:38px;height:38px;color:var(--emerald);background:#eaf7f1;border-radius:12px;place-items:center;display:grid}.filter-footnote{color:var(--muted);margin-top:20px;font-size:11px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (max-width:680px){.filter-admin-grid{grid-template-columns:1fr}.upload-progress{grid-column:1}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}