:root{--bg: #ede9fe;--surface: #ffffff;--sidebar: #312e81;--accent: #30C890;--accent-light: #E0FAF2;--accent-deep: #0A3C2E;--banner-bg: #30C890;--border: #ddd6fe;--text-1: #1e1b4b;--text-2: #3730a3;--text-3: #7c71d8;--success: #16a34a;--success-light: #dcfce7;--danger: #dc2626;--danger-light: #fee2e2;--amber: #d97706;--amber-light: #fef3c7;--note-mid: #EDE8FF;--note-mid-text: #4A3278;--font-ui: system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "Courier New", monospace;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-8: 48px;--shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);--shadow-dropdown: 0 4px 12px rgba(30, 27, 75, .12);--shadow-modal: 0 8px 32px rgba(30, 27, 75, .18);--shadow-toast: 0 4px 16px rgba(30, 27, 75, .12);--badge-info-bg: rgba(8, 145, 178, .12);--badge-info-text: #0891b2;--badge-event-bg: rgba(79, 70, 229, .12);--badge-event-text: #4f46e5;--badge-reminder-bg: #fef3c7;--badge-reminder-text:#d97706}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--text-1);font-family:var(--font-ui);font-weight:400;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}img,svg{display:block;max-width:100%}.t-page-title{font-size:19px;font-weight:700;line-height:1.25;letter-spacing:-.5px;color:var(--text-1);text-wrap:balance}.t-section-title{font-size:15px;font-weight:700;line-height:1.3;letter-spacing:-.3px;color:var(--text-1);text-wrap:balance}.t-body{font-size:14px;font-weight:400;line-height:1.6;color:var(--text-1)}.t-body-medium{font-size:14px;font-weight:600;line-height:1.6;color:var(--text-1)}.t-caption{font-size:11px;font-weight:400;line-height:1.4;letter-spacing:.1px;color:var(--text-3)}.t-mono{font-family:var(--font-mono);font-size:11.5px;font-weight:700;line-height:1.4}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-card);overflow:hidden}.card-header-primary{background:var(--sidebar);color:#fff;padding:6px 12px;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.card-header-secondary{background:var(--accent-light);color:var(--accent-deep);padding:6px 12px;font-size:10.5px;font-weight:700;letter-spacing:.3px;border-bottom:1px solid rgba(48,200,144,.22)}.card-header-bullet{display:flex;align-items:center;gap:var(--space-2);padding:6px 12px;border-bottom:1px solid var(--border)}.card-header-bullet:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}.card-header-bullet span{font-size:12px;font-weight:600;color:var(--text-2)}.card-body{padding:var(--space-3)}.card.doc-card{transition:box-shadow .15s}.card.doc-card:hover{box-shadow:0 0 0 1px var(--accent)}.dash-card,.msg-card,.doc-card,.student-card{border-radius:12px}.dash-card .card-header-secondary,.dash-card .card-header-primary{border-radius:12px 12px 0 0}.btn-primary{display:inline-flex;align-items:center;gap:var(--space-2);background:var(--accent);color:var(--accent-deep);border:1px solid var(--border);padding:8px 16px;border-radius:9px;font-size:13px;font-weight:600;line-height:1;transition:all .12s}.btn-primary:hover{filter:brightness(.95)}.btn-primary:focus{outline:none;box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{display:inline-flex;align-items:center;gap:var(--space-2);background:transparent;color:var(--text-1);border:1px solid var(--border);padding:8px 16px;border-radius:9px;font-size:13px;font-weight:500;line-height:1;transition:background .12s}.btn-secondary:hover{background:var(--bg)}.btn-secondary:focus{outline:none;box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent)}.btn-ghost{display:inline-flex;align-items:center;gap:var(--space-1);background:transparent;color:var(--accent-deep);border:none;padding:5px 8px;border-radius:4px;font-size:13px;font-weight:500;line-height:1;transition:background .15s}.btn-ghost:hover{background:var(--accent-light)}.form-input,.form-select{width:100%;height:38px;border:1px solid var(--border);border-radius:8px;padding:0 10px;font-family:var(--font-ui);font-size:13px;font-weight:400;color:var(--text-1);background:var(--surface);transition:border-color .12s,box-shadow .12s;appearance:none}.form-input::placeholder{color:var(--text-3)}.form-input:focus,.form-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #30c89026}.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin-bottom:var(--space-1);letter-spacing:.1px}.form-group{display:flex;flex-direction:column;gap:var(--space-1)}.badge{display:inline-block;padding:3px 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var(--accent);font-size:13px;color:var(--text-1)}.toast-success{border-left-color:var(--success)}.toast-danger{border-left-color:var(--danger)}.modal-backdrop{position:fixed;inset:0;background:#2a1e6073;z-index:300;animation:fadeIn .15s ease}.modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:min(520px,calc(100vw - 32px));max-height:86vh;overflow-y:auto;background:var(--surface);border-radius:4px;box-shadow:var(--shadow-modal);z-index:301;animation:slideUp .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,calc(-50% + 12px))}to{opacity:1;transform:translate(-50%,-50%)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid 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70px}.app-bottom-bar{display:flex;position:fixed;bottom:0;left:0;right:0;height:56px;background:var(--sidebar);align-items:center;justify-content:space-around;z-index:100}.app-bottom-bar .nav-item{flex:1;height:56px;width:auto;border-radius:0;border-left:none;border-top:2px solid transparent;flex-direction:column;gap:4px}.app-bottom-bar .nav-item.active{border-top-color:var(--accent);border-left-color:transparent;background:#30c8901f}.data-table{display:block;overflow-x:auto}}.page-header .t-page-title{margin-top:8px;margin-bottom:4px}.skip-link{position:fixed;top:-48px;left:16px;background:var(--sidebar);color:#fff;padding:8px 16px;border-radius:0 0 4px 4px;z-index:999;font-size:13px;font-weight:600;text-decoration:none;transition:top .15s}.skip-link:focus{top:0}@media(min-width:768px){.app-bottom-bar{display:none}}@media(max-width:767px){.app-content{padding-bottom:64px}}@media(prefers-reduced-motion:reduce){.app-content{animation:none}}