:root{--color-primary: #1a2942;--color-primary-hover: #283c5e;--color-accent: #3a8a8a;--color-accent-soft: #eaf4f4;--color-bg: #f8f9fb;--color-surface: #ffffff;--color-surface-alt: #f1f3f7;--color-text: #0f1626;--color-text-muted: #5b6478;--color-border: #e6e9ef;--color-border-strong: #c8cdd6;--color-danger: #b53737;--color-danger-soft: #fdecec;--color-success: #1f7a4d;--color-success-soft: #e8f4ed;--color-warning-soft: #fff5e1;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--r-sm: 6px;--r-md: 10px;--r-lg: 16px;--r-xl: 22px;--shadow-1: 0 1px 2px rgba(15,22,38,.04), 0 2px 6px rgba(15,22,38,.04);--shadow-2: 0 4px 12px rgba(15,22,38,.07), 0 1px 3px rgba(15,22,38,.04);--shadow-3: 0 12px 32px rgba(15,22,38,.14), 0 4px 12px rgba(15,22,38,.08);--ease: cubic-bezier(.4, 0, .2, 1);--ease-out: cubic-bezier(.32, .72, 0, 1);--t-fast: .12s;--t-med: .22s;--t-slow: .32s;--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe 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1.1rem;font-weight:500;transition:background var(--t-fast) var(--ease),transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);border:1px solid transparent;min-height:40px}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-1)}.btn-primary:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-2)}.btn-primary:active{transform:translateY(1px)}.btn-primary:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.btn-secondary{background:var(--color-surface);color:var(--color-primary);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-surface-alt);border-color:var(--color-border-strong)}.btn-link{background:transparent;border:none;padding:.3rem .5rem;color:var(--color-accent);min-height:32px;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.btn-link:hover{color:var(--color-primary)}.btn-link.danger{color:var(--color-danger)}.btn-link.danger:hover{color:#8a2828}.muted{color:var(--color-text-muted)}.small{font-size:.85em}.error{color:var(--color-danger)}hr{border:0;border-top:1px solid var(--color-border);margin:var(--space-4) 0}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 30% 20%,#2c3f5e 0%,var(--color-primary) 70%);padding:var(--space-4)}.login-form{background:var(--color-surface);padding:var(--space-6) var(--space-5);border-radius:var(--r-lg);box-shadow:var(--shadow-3);width:100%;max-width:360px;display:flex;flex-direction:column;gap:var(--space-3)}.login-form h2{margin:0;font-size:1.4rem;font-weight:600}.login-form .muted{margin-top:calc(-1 * var(--space-2));margin-bottom:var(--space-2)}.login-form input{padding:.75rem .9rem;font-size:15px}.login-form button{padding:.75rem;font-size:15px;margin-top:var(--space-2)}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--color-primary);color:#ffffffeb;display:flex;flex-direction:column;padding:var(--space-4);gap:var(--space-1);overflow-y:auto}.sidebar .brand{font-size:1.05rem;font-weight:600;letter-spacing:.2px;padding:var(--space-3) var(--space-2) var(--space-4);border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:var(--space-3)}.sidebar a{display:flex;align-items:center;gap:var(--space-3);color:#ffffffc7;text-decoration:none;padding:.65rem .85rem;border-radius:var(--r-sm);font-size:.92rem;transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease);min-height:40px}.sidebar a:hover{background:#ffffff12;color:#fff}.sidebar a.active{background:#ffffff21;color:#fff;font-weight:500}.sidebar a 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var(--ease)}.card:hover{box-shadow:var(--shadow-2)}.card h3{margin:0 0 var(--space-3);font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--color-text-muted)}.card-body{font-size:.93rem}.card-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--space-2)}.card-list li{padding:var(--space-1) 0}.card-ai{background:linear-gradient(135deg,var(--color-surface) 0%,var(--color-accent-soft) 100%)}.card-ai h3{color:var(--color-accent)}.month-nav{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-4)}.month-nav 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1rem;text-align:left;border-bottom:1px solid var(--color-border);vertical-align:top}.data-table th{background:var(--color-surface-alt);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);font-weight:600}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:var(--color-surface-alt)}.data-table td strong{font-weight:600}.row-status-done td{opacity:.55}.row-status-done td strong{text-decoration:line-through}.row-status-scheduled td{background:var(--color-success-soft)!important}.row-status-rejected td{opacity:.5}.form-fields{display:flex;flex-direction:column;gap:var(--space-3)}.form-fields>label{font-size:.82rem;color:var(--color-text-muted);margin:0 0 -6px 2px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f162673;display:flex;align-items:center;justify-content:center;z-index:100;padding:var(--space-4);animation:fade-in var(--t-med) var(--ease)}@keyframes 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h4{margin:0;font-size:.95rem}.announce-cards{display:flex;flex-direction:column;gap:var(--space-3)}.announce-card{background:var(--color-surface);border-radius:var(--r-md);padding:var(--space-4);box-shadow:var(--shadow-1);border-left:3px solid var(--color-accent)}.announce-header{display:flex;justify-content:space-between;align-items:baseline;gap:var(--space-3);margin-bottom:var(--space-2)}.announce-card p{margin:0;white-space:pre-wrap}.announce-footer{display:flex;justify-content:space-between;align-items:center;margin-top:var(--space-3)}.badge{background:var(--color-accent-soft);color:var(--color-accent);font-size:.7rem;padding:3px 10px;border-radius:20px;font-weight:500;white-space:nowrap}.chat-history{background:var(--color-surface);border-radius:var(--r-md);padding:var(--space-4);min-height:240px;max-height:56vh;overflow-y:auto;margin-bottom:var(--space-3);display:flex;flex-direction:column;gap:var(--space-3);box-shadow:var(--shadow-1)}.chat-bubble{padding:var(--space-3) 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input[type=checkbox]{margin-top:2px;width:18px;height:18px;flex-shrink:0;cursor:pointer}.fill-suggestion-body{flex:1;min-width:0}.fill-suggestion-head{display:flex;justify-content:space-between;align-items:baseline;gap:var(--space-2);margin-bottom:2px}.density-chart-wrap{background:var(--color-surface);border-radius:var(--r-md);padding:var(--space-4);box-shadow:var(--shadow-1);margin-bottom:var(--space-4)}.density-chart{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--space-2);align-items:end;height:220px;margin-top:var(--space-3)}.density-col{display:flex;flex-direction:column;align-items:center;height:100%;min-width:0}.density-bar-wrap{flex:1;width:100%;display:flex;align-items:flex-end;padding:0 6%}.density-bar{width:100%;background:var(--color-accent);border-radius:4px 4px 0 0;min-height:2px;transition:background var(--t-med) var(--ease)}.density-bar-count{font-size:.75rem;font-weight:600;color:var(--color-text-muted);margin-top:var(--space-1)}.density-bar-label{font-size:.72rem;color:var(--color-text-muted);margin-top:2px}.density-ai{display:flex;flex-direction:column;gap:var(--space-3)}.sched-toolbar{flex-wrap:wrap}.sched-class-label{display:inline-flex;align-items:center;gap:6px;font-weight:600}.sched-class-label select{padding:.45rem .6rem;border:1px solid var(--color-border);border-radius:var(--r-sm)}.schedule-grid-wrap{overflow-x:auto;margin-top:var(--space-3)}.schedule-grid{width:100%;border-collapse:collapse;min-width:760px}.schedule-grid thead th{background:var(--color-bg-subtle, #f4f6f8);padding:var(--space-2);font-size:.8rem;font-weight:600;text-align:center;border-bottom:1px solid var(--color-border);color:var(--color-text-muted)}.schedule-grid .period-col{min-width:90px;text-align:left}.schedule-grid .period-cell{background:var(--color-bg-subtle, #f4f6f8);padding:var(--space-2);font-size:.82rem;font-weight:600;text-align:left;color:var(--color-primary);border-bottom:1px solid var(--color-border);white-space:nowrap}.schedule-cell{padding:6px;vertical-align:middle;border-bottom:1px solid var(--color-border);position:relative;min-width:140px}.schedule-cell .duty-select{display:block;width:100%;margin-bottom:4px;font-size:.78rem;min-width:0}.schedule-cell .sched-teacher{margin-bottom:0}.conflict-cell{background:#fff5f3;outline:2px solid #e57368;outline-offset:-2px}.conflict-badge{display:inline-block;margin-top:3px;font-size:.65rem;color:#c0392b;font-weight:600}.curriculum-status-card{margin-top:var(--space-3)}.curriculum-status{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:var(--space-2)}.curriculum-status li{padding:4px 10px;border-radius:var(--r-sm);font-size:.85rem;background:var(--color-bg-subtle, #f4f6f8)}.curriculum-status li.ok{background:#d6efe6;color:#1f6f53}.curriculum-status 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8px;font-size:.7rem;border-radius:999px;font-weight:600;margin-right:4px}.level-pill.level-i̇lkokul,.level-pill.level-ilkokul{background:#d8eaff;color:#2a4d77}.level-pill.level-ortaokul{background:#e3d6ff;color:#4d2a77}.level-pill.level-lise{background:#ffe1d6;color:#774d2a}.level-pills{display:flex;flex-wrap:wrap;gap:3px}.level-checkboxes{display:flex;gap:var(--space-3);flex-wrap:wrap}.level-checkbox{display:inline-flex;align-items:center;gap:4px;font-size:.9rem}.task-load-card{margin-bottom:var(--space-3)}.task-load-card .card{padding:var(--space-3)}.task-load-card h3{margin:0 0 var(--space-2) 0;font-size:.95rem}.load-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:var(--space-2)}.load-list li{background:var(--color-bg-subtle, #f4f6f8);border-radius:var(--r-sm);padding:4px 10px;font-size:.85rem}.branch-pill{display:inline-block;margin-left:6px;padding:1px 8px;font-size:.7rem;background:#eef3f6;color:#557081;border-radius:999px;font-weight:600}.reason-text{margin:4px 0 0;font-size:.78rem;color:var(--color-accent);font-style:italic}.task-preview{display:flex;flex-direction:column;gap:var(--space-2);min-width:380px;max-height:60vh;overflow-y:auto}.task-preview-list{display:flex;flex-direction:column;gap:8px;margin-top:var(--space-2)}.task-preview-row{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2);border:1px solid var(--color-border);border-radius:var(--r-sm);background:var(--color-bg-subtle, #f4f6f8)}.task-preview-info{flex:1;min-width:0}.task-preview-info strong{display:block;font-size:.9rem}.task-preview-row .duty-select{min-width:180px;max-width:220px}.duty-section{background:var(--color-surface);border-radius:var(--r-md);padding:var(--space-3) var(--space-4);box-shadow:var(--shadow-1);margin-bottom:var(--space-4)}.duty-section-header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:var(--space-2);margin-bottom:var(--space-2)}.duty-section-header h3{margin:0;font-size:1.05rem}.duty-section-actions{display:flex;gap:var(--space-2);flex-wrap:wrap}.duty-empty-card{text-align:center;padding:var(--space-5) var(--space-4)}.duty-empty-actions{display:flex;gap:var(--space-2);justify-content:center;margin-top:var(--space-3);flex-wrap:wrap}.template-grid-wrap,.duty-month-wrap{overflow-x:auto;margin-top:var(--space-2)}.template-grid,.duty-month-table{width:100%;border-collapse:collapse;min-width:600px}.template-grid thead th,.duty-month-table thead th{font-size:.8rem;font-weight:600;color:var(--color-text-muted);padding:var(--space-2);text-align:center;border-bottom:1px solid var(--color-border);background:var(--color-bg-subtle, #f4f6f8);white-space:nowrap}.template-grid 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