:root{--color-primary:#1a237e;--color-primary-light:#3949ab;--color-primary-dark:#0d1642;--color-primary-surface:#e8eaf6;--color-secondary:#00897b;--color-secondary-light:#4db6ac;--color-accent:#536dfe;--color-accent-light:#8c9eff;--color-bg:#f5f6fa;--color-surface:#fff;--color-surface-variant:#f0f2f5;--color-text-primary:#1a1d26;--color-text-secondary:#6b7280;--color-text-tertiary:#9ca3af;--color-text-on-primary:#fff;--color-success:#10b981;--color-success-light:#d1fae5;--color-warning:#f59e0b;--color-warning-light:#fef3c7;--color-error:#ef4444;--color-error-light:#fee2e2;--color-info:#3b82f6;--color-info-light:#dbeafe;--color-border:#e5e7eb;--color-divider:#f3f4f6;--shadow-sm:0 1px 2px #0d16420d;--shadow-md:0 4px 12px -2px #0d164214, 0 2px 4px -2px #0d16420a;--shadow-lg:0 12px 24px -6px #0d16421f, 0 4px 8px -4px #0d16420f;--shadow-xl:0 20px 40px -10px #0d164224, 0 8px 16px -8px #0d164214;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-round:100px;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-lg:16px;--space-xl:20px;--space-2xl:24px;--space-3xl:32px;--space-4xl:40px;--sidebar-width:260px;--sidebar-collapsed-width:70px;--header-height:64px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.35s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{color:var(--color-text-primary);background-color:var(--color-bg);font-family:DM Sans,system-ui,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}.admin-layout{min-height:100vh;display:flex}.admin-main{margin-left:var(--sidebar-width);transition:margin-left var(--transition-normal);background:radial-gradient(ellipse 120% 80% at 100% -20%, #536dfe17, transparent 50%), radial-gradient(ellipse 90% 60% at -10% 40%, #00897b12, transparent 45%), radial-gradient(ellipse 70% 50% at 80% 100%, #1a237e0d, transparent 40%), var(--color-bg);flex-direction:column;flex:1;min-height:100vh;display:flex}.admin-main.collapsed{margin-left:var(--sidebar-collapsed-width)}.admin-content{padding:var(--space-2xl);margin-top:var(--header-height);flex:1;animation:.35s both contentEnter}@keyframes contentEnter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.sidebar{width:var(--sidebar-width);background:linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);height:100vh;color:var(--color-text-on-primary);z-index:100;transition:width var(--transition-normal), transform var(--transition-normal);flex-direction:column;display:flex;position:fixed;top:0;left:0;overflow-x:hidden}.sidebar.collapsed{width:var(--sidebar-collapsed-width)}.sidebar-brand{align-items:center;gap:var(--space-md);padding:var(--space-xl);min-height:var(--header-height);border-bottom:1px solid #ffffff1a;display:flex}.sidebar-close-mobile{color:#fff;border-radius:var(--radius-sm);cursor:pointer;background:#ffffff1f;border:none;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;margin-left:auto;display:none}.sidebar-backdrop{z-index:90;cursor:pointer;background:#0f172a73;border:none;padding:0;position:fixed;inset:0}.sidebar-brand-logo{border-radius:var(--radius-md);background:#ffffff26;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:800;display:flex}.sidebar-brand-name{letter-spacing:2px;white-space:nowrap;font-family:Outfit,sans-serif;font-size:18px;font-weight:700}.sidebar-nav{padding:var(--space-md) 0;flex:1;overflow-y:auto}.sidebar-section-title{padding:var(--space-lg) var(--space-xl) var(--space-sm);text-transform:uppercase;letter-spacing:1.5px;opacity:.5;white-space:nowrap;font-size:11px;font-weight:600}.sidebar-link{align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-xl);color:#ffffffb3;transition:all var(--transition-fast);cursor:pointer;white-space:nowrap;border-left:3px solid #0000;font-size:14px;display:flex}.sidebar-link:hover{color:#fff;background:#ffffff14}.sidebar-link.active{color:#fff;border-left-color:var(--color-accent-light);background:#ffffff1f}.sidebar-link svg{flex-shrink:0;width:20px;height:20px}.admin-header{top:0;right:0;left:var(--sidebar-width);height:var(--header-height);-webkit-backdrop-filter:blur(14px);padding:0 var(--space-2xl);z-index:50;transition:left var(--transition-normal);background:#ffffffd1;border-bottom:1px solid #e5e7ebe6;justify-content:space-between;align-items:center;display:flex;position:fixed}.admin-header.collapsed{left:var(--sidebar-collapsed-width)}.header-brand{letter-spacing:.04em;color:var(--color-primary);font-family:Outfit,sans-serif;font-size:16px;font-weight:700;display:none}.header-brand span{color:var(--color-secondary)}.header-left{align-items:center;gap:var(--space-lg);display:flex}.header-toggle{padding:var(--space-sm);border-radius:var(--radius-md);min-width:44px;min-height:44px;color:var(--color-text-secondary);transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:inline-flex}.header-toggle:hover{background:var(--color-surface-variant);color:var(--color-text-primary)}.header-toggle:active{transform:scale(.94)}.header-title{font-size:18px;font-weight:600}.header-right{align-items:center;gap:var(--space-md);display:flex}.header-avatar{border-radius:var(--radius-round);background:linear-gradient(135deg, 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var(--space-xl);border-radius:var(--radius-md);min-height:44px;transition:all var(--transition-fast);white-space:nowrap;border:none;font-size:14px;font-weight:600;display:inline-flex}.btn:active{transform:scale(.97)}.btn-primary{background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);color:var(--color-text-on-primary);box-shadow:0 4px 14px #1a237e47}.btn-primary:hover{filter:brightness(1.05);box-shadow:0 6px 18px #1a237e59}.btn-secondary{background:var(--color-surface-variant);color:var(--color-text-primary)}.btn-secondary:hover{background:var(--color-border)}.btn-danger{background:var(--color-error-light);color:var(--color-error)}.btn-danger:hover{background:var(--color-error);color:#fff}.btn-sm{padding:var(--space-sm) var(--space-lg);font-size:13px}.btn-lg{padding:var(--space-lg) var(--space-2xl);font-size:15px}.form-group{margin-bottom:var(--space-xl)}.form-label{color:var(--color-text-primary);margin-bottom:var(--space-sm);font-size:13px;font-weight:600;display:block}.form-input{width:100%;padding:var(--space-md) var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;font-size:14px}.form-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-surface)}.form-input.error{border-color:var(--color-error)}.form-error{color:var(--color-error);margin-top:var(--space-xs);font-size:12px}.form-row{gap:var(--space-xl);grid-template-columns:1fr 1fr;display:grid}.table-container{overflow-x:auto}.table{border-collapse:collapse;width:100%}.table th{text-align:left;padding:var(--space-md) 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