:root{--font-main: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-heading: "Plus Jakarta Sans", "Pretendard", sans-serif;--bg-app: #f8fafc;--bg-card: #ffffff;--bg-subtle: #f1f5f9;--bg-glass: rgba(255, 255, 255, .85);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent-art: #e05638;--accent-art-light: #fdf2f0;--accent-indigo: #4f46e5;--accent-indigo-light: #eef2ff;--accent-teal: #0d9488;--accent-teal-light: #f0fdfa;--accent-kakao: #fee500;--accent-kakao-dark: #3c1e1e;--border-color: #e2e8f0;--border-hover: #cbd5e1;--shadow-sm: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 14px -2px rgba(15, 23, 42, .08), 0 2px 6px -1px rgba(15, 23, 42, .04);--shadow-lg: 0 10px 30px -4px rgba(15, 23, 42, .12), 0 4px 12px -2px rgba(15, 23, 42, .06);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-full: 9999px;--transition-fast: all .2s cubic-bezier(.16, 1, .3, 1);--transition-normal: all .3s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--bg-app);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}button,input,select,textarea{font-family:inherit}a{color:inherit;text-decoration:none}.app-container{min-height:100vh;display:flex;flex-direction:column}.header-bar{position:sticky;top:0;z-index:50;background:var(--bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);padding:.85rem 1.5rem}.header-content{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand-logo{display:flex;align-items:center;gap:.75rem;font-weight:800;font-size:1.25rem;letter-spacing:-.02em;color:var(--text-primary)}.brand-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent-art),#f97316);color:#fff;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem;box-shadow:0 3px 8px #e056384d}.brand-badge{font-size:.75rem;padding:2px 8px;background:var(--accent-art-light);color:var(--accent-art);border-radius:var(--radius-full);font-weight:600;margin-left:4px}.role-switcher{display:flex;align-items:center;background:var(--bg-subtle);padding:4px;border-radius:var(--radius-full);border:1px solid var(--border-color)}.role-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-full);font-size:.88rem;font-weight:600;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;transition:var(--transition-fast)}.role-btn:hover{color:var(--text-primary)}.role-btn.active-parent{background:#fff;color:var(--accent-art);box-shadow:var(--shadow-sm)}.role-btn.active-teacher{background:#fff;color:var(--accent-teal);box-shadow:var(--shadow-sm)}.role-btn.active-admin{background:#fff;color:var(--accent-indigo);box-shadow:var(--shadow-sm)}.main-wrapper{flex:1;max-width:1280px;width:100%;margin:0 auto;padding:2rem 1.5rem}.portal-header{margin-bottom:2rem;display:flex;flex-direction:column;gap:.5rem}.portal-title{font-family:var(--font-heading);font-size:1.75rem;font-weight:800;letter-spacing:-.03em;color:var(--text-primary);display:flex;align-items:center;gap:.6rem}.portal-subtitle{color:var(--text-secondary);font-size:.95rem}.card{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-color);padding:1.5rem;box-shadow:var(--shadow-sm);transition:var(--transition-normal)}.card:hover{box-shadow:var(--shadow-md);border-color:var(--border-hover)}.tab-bar{display:flex;gap:.5rem;border-bottom:2px solid var(--border-color);margin-bottom:1.75rem;overflow-x:auto}.tab-item{display:flex;align-items:center;gap:8px;padding:10px 18px;font-size:.95rem;font-weight:600;color:var(--text-secondary);border:none;background:transparent;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;white-space:nowrap;transition:var(--transition-fast)}.tab-item:hover{color:var(--text-primary)}.tab-item.active{color:var(--accent-indigo);border-bottom-color:var(--accent-indigo)}.tab-item.active-parent{color:var(--accent-art);border-bottom-color:var(--accent-art)}.tab-item.active-teacher{color:var(--accent-teal);border-bottom-color:var(--accent-teal)}.form-group{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.25rem}.form-label{font-size:.88rem;font-weight:600;color:var(--text-primary)}.form-input,.form-select,.form-textarea{width:100%;padding:.75rem 1rem;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-card);font-size:.95rem;color:var(--text-primary);outline:none;transition:var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent-indigo);box-shadow:0 0 0 3px #4f46e51f}.form-textarea{min-height:110px;resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:.7rem 1.25rem;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;border:none;cursor:pointer;transition:var(--transition-fast);text-decoration:none}.btn-primary{background:var(--accent-art);color:#fff}.btn-primary:hover{background:#c8462b;box-shadow:var(--shadow-sm)}.btn-indigo{background:var(--accent-indigo);color:#fff}.btn-indigo:hover{background:#4338ca;box-shadow:var(--shadow-sm)}.btn-teal{background:var(--accent-teal);color:#fff}.btn-teal:hover{background:#0f766e;box-shadow:var(--shadow-sm)}.btn-kakao{background:var(--accent-kakao);color:var(--accent-kakao-dark);font-weight:700}.btn-kakao:hover{background:#fada00;box-shadow:var(--shadow-sm)}.btn-outline{background:transparent;border:1px solid var(--border-color);color:var(--text-secondary)}.btn-outline:hover{background:var(--bg-subtle);color:var(--text-primary);border-color:var(--border-hover)}.btn-sm{padding:.45rem .85rem;font-size:.82rem;border-radius:6px}.btn-lg{padding:.9rem 1.75rem;font-size:1rem;border-radius:var(--radius-md)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--radius-full);font-size:.78rem;font-weight:600}.badge-draft{background:#fef3c7;color:#b45309}.badge-approved{background:#dbeafe;color:#1d4ed8}.badge-sent{background:#dcfce7;color:#15803d}.badge-trait{background:#f1f5f9;color:#475569;font-weight:500}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}@media (max-width: 900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.header-content{flex-direction:column;align-items:flex-start}.role-switcher{width:100%;justify-content:space-between}}.toast-notification{position:fixed;bottom:2rem;right:2rem;z-index:100;background:var(--text-primary);color:#fff;padding:1rem 1.4rem;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px;font-size:.92rem;font-weight:500;animation:slideUp .3s cubic-bezier(.16,1,.3,1)}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a8c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:1.5rem}.modal-content{background:var(--bg-card);border-radius:var(--radius-lg);width:100%;max-width:540px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:modalPop .25s cubic-bezier(.16,1,.3,1)}@keyframes modalPop{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.kakao-preview-box{background:#fae100;color:#3b1e1e;border-radius:var(--radius-md);padding:1.25rem;font-family:-apple-system,BlinkMacSystemFont,sans-serif;box-shadow:var(--shadow-sm);margin-top:1rem}.kakao-header-line{font-weight:700;font-size:.92rem;border-bottom:1px dashed rgba(60,30,30,.2);padding-bottom:.5rem;margin-bottom:.75rem;display:flex;align-items:center;justify-content:space-between}.kakao-body-text{font-size:.88rem;line-height:1.55;white-space:pre-wrap}.custom-table{width:100%;border-collapse:collapse}.custom-table th{background:var(--bg-subtle);text-align:left;padding:.75rem 1rem;font-size:.82rem;font-weight:700;color:var(--text-secondary);border-bottom:1px solid var(--border-color)}.custom-table td{padding:.85rem 1rem;font-size:.9rem;border-bottom:1px solid var(--border-color)}.custom-table tr:hover td{background:#f8fafc}