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var(--glass-border);border-radius:var(--radius-lg);padding:36px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:var(--shadow-card)}.login-header{text-align:center;margin-bottom:32px}.login-logo{font-size:2.2rem;display:block;margin-bottom:14px}.login-header h1{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;letter-spacing:-.03em}.login-header p{font-family:var(--font-mono);font-size:.7rem;color:var(--text-secondary);margin-top:6px;text-transform:uppercase;letter-spacing:.06em}.login-form{display:flex;flex-direction:column;gap:16px}.login-divider{display:flex;align-items:center;gap:16px;margin:20px 0;color:var(--text-muted);font-family:var(--font-mono);font-size:.65rem;text-transform:uppercase;letter-spacing:.1em}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--glass-border)}.forgot-link{font-family:var(--font-mono);font-size:.7rem;display:block;text-align:right;margin-top:-8px}.login-toggle{text-align:center;font-size:.8rem;color:var(--text-secondary);margin-top:20px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-family:var(--font-mono);font-size:.65rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em}.form-row{display:flex;gap:12px}.form-row .form-group{flex:1}.color-picker{display:flex;flex-wrap:wrap;gap:8px}.color-swatch{width:26px;height:26px;border-radius:2px;border:2px solid transparent;cursor:pointer;transition:all var(--transition)}.color-swatch:hover{transform:scale(1.15)}.color-swatch.selected{border-color:var(--acid);box-shadow:0 0 0 2px #ccff004d}.schedule-slots{display:flex;flex-direction:column;gap:8px}.slot-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.slot-row select{width:auto;min-width:120px}.slot-row input[type=time]{width:auto;min-width:100px}.slot-separator{color:var(--text-muted);font-family:var(--font-mono);font-weight:500}.btn-remove-slot{width:26px;height:26px;border-radius:2px;color:var(--text-muted);font-size:.7rem;display:flex;align-items:center;justify-content:center;transition:all var(--transition)}.btn-remove-slot:hover{background:var(--color-danger-bg);color:var(--color-danger)}.modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:200;padding:24px;animation:fadeIn .2s var(--ease-snappy)}.modal{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-modal);animation:modalIn .3s var(--ease-snappy)}@keyframes modalIn{0%{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-sm{max-width:380px}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--glass-border)}.modal-header h3{font-family:var(--font-heading);font-size:1.1rem;font-weight:600}.btn-close{width:30px;height:30px;border-radius:2px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all var(--transition)}.btn-close:hover{background:var(--glass-hover);color:var(--text-primary)}.modal-body{padding:20px 24px}.modal-body p{font-size:.875rem;color:var(--text-secondary);line-height:1.5}.course-form{padding:20px 24px;display:flex;flex-direction:column;gap:18px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;padding:16px 24px;border-top:1px solid var(--glass-border)}.alert{padding:12px 16px;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.75rem;margin-bottom:16px}.alert-error{background:var(--color-danger-bg);border:1px solid rgba(239,68,68,.2);color:var(--color-danger)}.alert-success{background:#22c55e14;border:1px solid rgba(34,197,94,.2);color:var(--color-safe)}.empty-state{text-align:center;padding:48px 24px;background:var(--bg-card);border:1px dashed var(--border-medium);border-radius:var(--radius-md)}.empty-icon{font-size:2.5rem;display:block;margin-bottom:16px}.empty-state h3{font-family:var(--font-heading);font-size:1.1rem;font-weight:600;margin-bottom:8px}.empty-state p{font-family:var(--font-mono);font-size:.75rem;color:var(--text-secondary);margin-bottom:20px;text-transform:uppercase;letter-spacing:.04em}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:0}::-webkit-scrollbar-thumb:hover{background:#ffffff26}.no-scrollbar::-webkit-scrollbar{display:none}.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}