@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;600&display=swap');

   *, *::before, *::after {
       margin: 0;
       padding: 0;
       box-sizing: border-box;
   }
   

   :root {
       --bg:            #0a0a0a;
       --bg-subtle:     #111111;
       --surface:       #161616;
       --surface-hover: #1c1c1c;
       --border:        #242424;
       --border-light:  #2e2e2e;
   

       --text-primary:   #ededed;
       --text-secondary: #888888;
       --text-tertiary:  #555555;
   
       --accent:         #0070f3;
       --accent-hover:   #0060df;
       --accent-glow:    rgba(0, 112, 243, 0.18);
   
       --success:        #50e3c2;
       --success-bg:     rgba(80, 227, 194, 0.08);
       --success-border: rgba(80, 227, 194, 0.2);
   
       --danger:         #ff4444;
       --danger-bg:      rgba(255, 68, 68, 0.08);
       --danger-border:  rgba(255, 68, 68, 0.2);
   
       --warning:        #f5a623;
       --warning-bg:     rgba(245, 166, 35, 0.08);
       --warning-border: rgba(245, 166, 35, 0.2);
   
       --info:           #7b7bf5;
       --info-bg:        rgba(123, 123, 245, 0.08);
       --info-border:    rgba(123, 123, 245, 0.2);
   

       --shadow-xs: 0 1px 2px rgba(0,0,0,0.5);
       --shadow-sm: 0 4px 16px rgba(0,0,0,0.4);
       --shadow-md: 0 8px 32px rgba(0,0,0,0.5);
   
       --radius-sm:  6px;
       --radius-md:  10px;
       --radius-lg:  14px;
       --radius-xl:  20px;
       --radius-full: 9999px;
   
       --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
       --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
   
       --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
       --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
       --t-fast:   120ms;
       --t-normal: 200ms;
       --t-slow:   350ms;
   }
   

   html, body {
       width: 100%;
       height: 100%;
       font-family: var(--font-sans);
       background: var(--bg);
       color: var(--text-primary);
       font-size: 15px;
       line-height: 1.6;
       -webkit-font-smoothing: antialiased;
       -moz-osx-font-smoothing: grayscale;
   }
   
   ::-webkit-scrollbar          { width: 6px; height: 6px; }
   ::-webkit-scrollbar-track    { background: transparent; }
   ::-webkit-scrollbar-thumb    { background: var(--border-light); border-radius: var(--radius-full); }
   ::-webkit-scrollbar-thumb:hover { background: #444; }
   
   /* ════════════════════════════════════════════════
      LOGIN PAGE
      ════════════════════════════════════════════════ */
   .login-container {
       display: flex;
       min-height: 100vh;
       align-items: stretch;
       background: var(--bg);
       position: relative;
       overflow: hidden;
   }
   
   .login-container::before {
       content: '';
       position: absolute;
       inset: 0;
       background-image:
           linear-gradient(var(--border) 1px, transparent 1px),
           linear-gradient(90deg, var(--border) 1px, transparent 1px);
       background-size: 40px 40px;
       opacity: 0.35;
       pointer-events: none;
   }
   
   .login-container::after {
       content: '';
       position: absolute;
       width: 600px;
       height: 600px;
       background: radial-gradient(circle, rgba(0,112,243,0.12) 0%, transparent 70%);
       top: -200px;
       left: -200px;
       pointer-events: none;
   }
   

   .login-left { display: none !important; }
   
   .login-right {
       width: 100%;
       display: flex;
       align-items: center;
       justify-content: center;
       padding: 24px;
       position: relative;
       z-index: 1;
       min-height: 100vh;
   }
   
   .login-box {
       background: var(--surface);
       border: 1px solid var(--border);
       border-radius: var(--radius-xl);
       padding: 40px;
       width: 100%;
       max-width: 440px;
       box-shadow: var(--shadow-md);
       position: relative;
       overflow: hidden;
   }
   
   .login-box.wide { max-width: 520px; }
   
   .login-box::before {
       content: '';
       position: absolute;
       top: 0; left: 0; right: 0;
       height: 1px;
       background: linear-gradient(90deg, transparent, rgba(0,112,243,0.5), transparent);
   }
   

   .auth-logo {
       display: inline-flex;
       align-items: center;
       justify-content: center;
       width: 48px; height: 48px;
       background: var(--accent);
       border-radius: 12px;
       font-size: 22px;
       font-weight: 800;
       color: #fff;
       margin-bottom: 16px;
       box-shadow: 0 0 20px rgba(0,112,243,0.4);
       letter-spacing: -0.03em;
   }
   
   .auth-divider {
       display: flex;
       align-items: center;
       gap: 12px;
       margin: 20px 0;
       color: var(--text-tertiary);
       font-size: 12px;
   }
   .auth-divider::before,
   .auth-divider::after {
       content: '';
       flex: 1;
       height: 1px;
       background: var(--border);
   }
   
   .login-header {
       margin-bottom: 32px;
       text-align: center;
   }
   
   .login-header h2 {
       font-size: 26px;
       font-weight: 700;
       letter-spacing: -0.03em;
       color: var(--text-primary);
       margin-bottom: 8px;
   }
   
   .login-header p {
       color: var(--text-secondary);
       font-size: 14px;
   }
   
   /* ════════════════════════════════════════════════
      ALERTS
      ════════════════════════════════════════════════ */
   .alert {
       padding: 11px 16px;
       border-radius: var(--radius-md);
       margin-bottom: 20px;
       display: flex;
       align-items: center;
       gap: 10px;
       font-size: 13.5px;
       font-weight: 500;
       animation: slideIn var(--t-slow) var(--ease) both;
       border: 1px solid;
   }
   
   .alert i { font-size: 15px; flex-shrink: 0; }
   
   .alert-error   { background: var(--danger-bg);  color: var(--danger);  border-color: var(--danger-border); }
   .alert-success { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }
   .alert-warning { background: var(--warning-bg); color: var(--warning); border-color: var(--warning-border); }
   .alert-info    { background: var(--info-bg);    color: var(--info);    border-color: var(--info-border); }
   
   /* ════════════════════════════════════════════════
      FORMS
      ════════════════════════════════════════════════ */
   .form-group {
       margin-bottom: 20px;
   }
   
   .form-group label {
       display: flex;
       align-items: center;
       gap: 7px;
       margin-bottom: 8px;
       font-size: 13px;
       font-weight: 500;
       color: var(--text-secondary);
       letter-spacing: 0.01em;
   }
   
   .form-group label i { color: var(--accent); font-size: 13px; }
   
   .form-group input,
   .form-group select,
   .form-group textarea {
       width: 100%;
       padding: 10px 14px;
       background: var(--bg-subtle);
       border: 1px solid var(--border);
       border-radius: var(--radius-md);
       color: var(--text-primary);
       font-size: 14px;
       font-family: var(--font-sans);
       transition: border-color var(--t-normal) var(--ease),
                   box-shadow var(--t-normal) var(--ease),
                   background var(--t-normal) var(--ease);
       outline: none;
   }
   
   .form-group input:hover,
   .form-group select:hover,
   .form-group textarea:hover {
       border-color: var(--border-light);
   }
   
   .form-group input:focus,
   .form-group select:focus,
   .form-group textarea:focus {
       border-color: var(--accent);
       background: var(--surface);
       box-shadow: 0 0 0 3px var(--accent-glow);
   }
   
   .form-group input::placeholder { color: var(--text-tertiary); }
   
   .form-group select option { background: var(--surface); }
   
   .password-input {
       position: relative;
       display: flex;
       align-items: center;
   }
   
   .password-input input { padding-right: 44px; }
   
   .toggle-password {
       position: absolute;
       right: 12px;
       background: none;
       border: none;
       color: var(--text-tertiary);
       cursor: pointer;
       font-size: 15px;
       padding: 6px;
       transition: color var(--t-fast) var(--ease);
       display: flex;
       align-items: center;
   }
   
   .toggle-password:hover { color: var(--text-primary); }
   
   .form-options {
       display: flex;
       justify-content: space-between;
       align-items: center;
       margin-bottom: 24px;
       gap: 10px;
       flex-wrap: wrap;
   }
   
   .remember-me {
       display: flex;
       align-items: center;
       gap: 8px;
       font-size: 13.5px;
       cursor: pointer;
       color: var(--text-secondary);
   }
   
   .remember-me input[type="checkbox"] {
       width: 15px !important;
       height: 15px;
       accent-color: var(--accent);
       cursor: pointer;
   }
   
   .forgot-link {
       color: var(--accent);
       text-decoration: none;
       font-size: 13.5px;
       font-weight: 500;
       transition: opacity var(--t-fast);
   }
   
   .forgot-link:hover { opacity: 0.75; }
   
   /* ════════════════════════════════════════════════
      BUTTONS
      ════════════════════════════════════════════════ */
   .btn-login,
   .btn,
   button {
       padding: 10px 18px;
       border: none;
       border-radius: var(--radius-md);
       font-weight: 600;
       font-size: 14px;
       font-family: var(--font-sans);
       cursor: pointer;
       transition: all var(--t-normal) var(--ease);
       display: inline-flex;
       align-items: center;
       gap: 8px;
       justify-content: center;
       letter-spacing: -0.01em;
       position: relative;
       overflow: hidden;
   }
   
   /* Shimmer effect on hover */
   .btn-login::after, .btn-primary::after {
       content: '';
       position: absolute;
       top: 0; left: -100%;
       width: 60%;
       height: 100%;
       background: linear-gradient(90deg, transparent, rgba(255,255,255,0.07), transparent);
       transition: left 0.5s var(--ease);
   }
   
   .btn-login:hover::after, .btn-primary:hover::after { left: 150%; }
   
   .btn-login {
       width: 100%;
       background: var(--accent);
       color: #fff;
       font-size: 15px;
       padding: 13px;
       margin-bottom: 16px;
       box-shadow: 0 1px 0 rgba(0,0,0,0.3), 0 0 0 1px rgba(0,112,243,0.4);
   }
   
   .btn-login:hover {
       background: var(--accent-hover);
       box-shadow: 0 4px 20px rgba(0,112,243,0.35);
       transform: translateY(-1px);
   }
   
   .btn-login:active { transform: translateY(0); }
   
   .btn-primary {
       background: var(--accent);
       color: #fff;
       box-shadow: 0 0 0 1px rgba(0,112,243,0.3);
   }
   
   .btn-primary:hover {
       background: var(--accent-hover);
       box-shadow: 0 4px 16px rgba(0,112,243,0.35);
       transform: translateY(-1px);
   }
   
   .btn-secondary {
       background: var(--surface);
       color: var(--text-primary);
       border: 1px solid var(--border);
   }
   
   .btn-secondary:hover {
       background: var(--surface-hover);
       border-color: var(--border-light);
       transform: translateY(-1px);
   }
   
   .btn-success {
       background: transparent;
       color: var(--success);
       border: 1px solid var(--success-border);
   }
   
   .btn-success:hover {
       background: var(--success-bg);
       transform: translateY(-1px);
   }
   
   .btn-danger {
       background: transparent;
       color: var(--danger);
       border: 1px solid var(--danger-border);
   }
   
   .btn-danger:hover {
       background: var(--danger-bg);
       transform: translateY(-1px);
   }
   
   .btn-sm { padding: 6px 12px; font-size: 12.5px; }
   .btn-lg { padding: 14px 28px; font-size: 16px; }
   
   .btn:disabled,
   button:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }
   
   .login-footer {
       text-align: center;
       margin-top: 24px;
       color: var(--text-tertiary);
       font-size: 13.5px;
   }
   
   .login-footer a {
       color: var(--accent);
       text-decoration: none;
       font-weight: 600;
   }
   
   .login-footer a:hover { opacity: 0.75; }
   
   /* ════════════════════════════════════════════════
      DASHBOARD LAYOUT
      ════════════════════════════════════════════════ */
   .dashboard-container {
       display: flex;               /* flex, not grid — sidebar is fixed so grid columns break */
       min-height: 100vh;
   }
   
   /* ── Sidebar ── */
   .sidebar {
       background: var(--surface);
       border-right: 1px solid var(--border);
       padding: 20px 14px;
       position: fixed;
       top: 0;
       left: 0;
       height: 100vh;
       overflow-y: auto;
       width: 240px;
       z-index: 100;
       display: flex;
       flex-direction: column;
       gap: 6px;
   }
   
   .sidebar-header {
       display: flex;
       align-items: center;
       gap: 11px;
       margin-bottom: 24px;
       padding: 0 6px 20px;
       border-bottom: 1px solid var(--border);
   }
   
   .sidebar-logo {
       width: 34px;
       height: 34px;
       background: var(--accent);
       border-radius: var(--radius-sm);
       display: flex;
       align-items: center;
       justify-content: center;
       font-weight: 800;
       font-size: 17px;
       color: #fff;
       letter-spacing: -0.03em;
       box-shadow: 0 0 12px rgba(0,112,243,0.4);
       flex-shrink: 0;
   }
   
   .sidebar-title h3 {
       font-size: 15px;
       font-weight: 700;
       letter-spacing: -0.02em;
       color: var(--text-primary);
   }
   
   .sidebar-title p {
       font-size: 11.5px;
       color: var(--text-tertiary);
       font-weight: 400;
   }
   
   .sidebar-menu {
       list-style: none;
       display: flex;
       flex-direction: column;
       gap: 2px;
   }
   
   .sidebar-menu a {
       display: flex;
       align-items: center;
       gap: 10px;
       padding: 9px 12px;
       color: var(--text-secondary);
       text-decoration: none;
       border-radius: var(--radius-md);
       transition: all var(--t-fast) var(--ease);
       font-size: 14px;
       font-weight: 500;
       letter-spacing: -0.01em;
   }
   
   .sidebar-menu a:hover {
       background: var(--surface-hover);
       color: var(--text-primary);
   }
   
   .sidebar-menu a.active {
       background: rgba(0, 112, 243, 0.12);
       color: #60a5fa;
       border: 1px solid rgba(0, 112, 243, 0.2);
   }
   
   .sidebar-menu i {
       font-size: 15px;
       width: 18px;
       text-align: center;
       opacity: 0.85;
   }
   
   .sidebar-section {
       margin-top: 8px;
       padding-top: 8px;
       border-top: 1px solid var(--border);
   }
   
   .sidebar-section-title {
       font-size: 11px;
       font-weight: 600;
       color: var(--text-tertiary);
       text-transform: uppercase;
       letter-spacing: 0.08em;
       margin-bottom: 8px;
       padding: 0 12px;
   }
   
   /* ── Main Content ── */
   .main-content {
       margin-left: 240px;
       flex: 1;
       width: calc(100% - 240px);
       padding: 32px 36px;
       min-height: 100vh;
       background: var(--bg);
       overflow-x: hidden;
   }
   
   /* ── Top Bar ── */
   .top-bar {
       display: flex;
       justify-content: space-between;
       align-items: center;
       margin-bottom: 36px;
       flex-wrap: wrap;
       gap: 16px;
   }
   
   .top-bar-left h1 {
       font-size: 24px;
       font-weight: 700;
       letter-spacing: -0.04em;
       color: var(--text-primary);
       margin-bottom: 3px;
   }
   
   .top-bar-left p {
       color: var(--text-tertiary);
       font-size: 13.5px;
   }
   
   .top-bar-right {
       display: flex;
       align-items: center;
       gap: 12px;
   }
   
   .user-profile {
       display: flex;
       align-items: center;
       gap: 10px;
       padding: 7px 12px;
       background: var(--surface);
       border: 1px solid var(--border);
       border-radius: var(--radius-lg);
       cursor: pointer;
       transition: all var(--t-normal) var(--ease);
   }
   
   .user-profile:hover {
       border-color: var(--border-light);
       background: var(--surface-hover);
   }
   
   .user-profile .fa-chevron-down {
       font-size: 11px;
       color: var(--text-tertiary);
   }
   
   .user-avatar {
       width: 32px;
       height: 32px;
       background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%);
       border-radius: 50%;
       display: flex;
       align-items: center;
       justify-content: center;
       font-weight: 700;
       font-size: 13px;
       color: #fff;
       flex-shrink: 0;
       box-shadow: 0 0 10px rgba(0,112,243,0.3);
   }
   
   .user-info .user-name {
       font-size: 13px;
       font-weight: 600;
       color: var(--text-primary);
       letter-spacing: -0.01em;
   }
   
   .user-info .user-email {
       font-size: 11.5px;
       color: var(--text-tertiary);
   }
   
   .notification-bell {
       position: relative;
       cursor: pointer;
       font-size: 17px;
       color: var(--text-secondary);
       width: 38px;
       height: 38px;
       display: flex;
       align-items: center;
       justify-content: center;
       background: var(--surface);
       border: 1px solid var(--border);
       border-radius: var(--radius-md);
       transition: all var(--t-fast) var(--ease);
   }
   
   .notification-bell:hover {
       border-color: var(--border-light);
       color: var(--text-primary);
       background: var(--surface-hover);
   }
   
   .notification-badge {
       position: absolute;
       top: 6px; right: 6px;
       background: var(--danger);
       color: white;
       border-radius: var(--radius-full);
       width: 16px; height: 16px;
       display: flex; align-items: center; justify-content: center;
       font-size: 10px;
       font-weight: 700;
       border: 2px solid var(--surface);
   }
   
   /* ════════════════════════════════════════════════
      STAT CARDS — Hero of the dashboard
      ════════════════════════════════════════════════ */
   .stats-grid {
       display: grid;
       grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
       gap: 16px;
       margin-bottom: 32px;
   }
   
   .stat-card {
       background: var(--surface);
       border: 1px solid var(--border);
       border-radius: var(--radius-lg);
       padding: 22px;
       position: relative;
       overflow: hidden;
       transition: border-color var(--t-normal) var(--ease),
                   transform var(--t-normal) var(--ease-spring),
                   box-shadow var(--t-normal) var(--ease);
       animation: cardIn var(--t-slow) var(--ease) both;
   }
   
   /* Staggered entrance */
   .stat-card:nth-child(1) { animation-delay: 0ms; }
   .stat-card:nth-child(2) { animation-delay: 60ms; }
   .stat-card:nth-child(3) { animation-delay: 120ms; }
   .stat-card:nth-child(4) { animation-delay: 180ms; }
   
   @keyframes cardIn {
       from { opacity: 0; transform: translateY(12px); }
       to   { opacity: 1; transform: translateY(0); }
   }
   
   /* Subtle top gradient line per card */
   .stat-card::before {
       content: '';
       position: absolute;
       top: 0; left: 0; right: 0;
       height: 1px;
       background: linear-gradient(90deg, transparent 0%, var(--border-light) 50%, transparent 100%);
       transition: background var(--t-normal);
   }
   
   .stat-card:hover {
       border-color: var(--border-light);
       transform: translateY(-3px);
       box-shadow: 0 12px 40px rgba(0,0,0,0.4);
   }
   
   .stat-card:hover::before {
       background: linear-gradient(90deg, transparent 0%, rgba(0,112,243,0.6) 50%, transparent 100%);
   }
   
   .stat-card-header {
       display: flex;
       justify-content: space-between;
       align-items: flex-start;
       margin-bottom: 16px;
   }
   
   .stat-card-title {
       font-size: 12.5px;
       font-weight: 500;
       color: var(--text-secondary);
       letter-spacing: 0.01em;
       line-height: 1.4;
       max-width: 120px;
   }
   
   .stat-card-icon {
       width: 38px;
       height: 38px;
       border-radius: var(--radius-md);
       display: flex;
       align-items: center;
       justify-content: center;
       font-size: 16px;
       border: 1px solid;
       flex-shrink: 0;
       transition: transform var(--t-normal) var(--ease-spring);
   }
   
   .stat-card:hover .stat-card-icon {
       transform: scale(1.08) rotate(-3deg);
   }
   
   .stat-card-value {
       font-size: 30px;
       font-weight: 700;
       letter-spacing: -0.04em;
       color: var(--text-primary);
       margin-bottom: 8px;
       font-family: var(--font-mono);
       line-height: 1;
   }
   
   .stat-card-change {
       font-size: 12px;
       color: var(--text-tertiary);
       display: flex;
       align-items: center;
       gap: 5px;
   }
   
   .stat-card-change.positive { color: var(--success); }
   .stat-card-change.negative { color: var(--danger); }
   
   /* ════════════════════════════════════════════════
      CARD (generic)
      ════════════════════════════════════════════════ */
   .card {
       background: var(--surface);
       border: 1px solid var(--border);
       border-radius: var(--radius-lg);
       padding: 22px;
       margin-bottom: 20px;
       transition: border-color var(--t-normal);
   }
   
   .card:hover { border-color: var(--border-light); }
   
   .card-header {
       display: flex;
       justify-content: space-between;
       align-items: center;
       margin-bottom: 20px;
       padding-bottom: 14px;
       border-bottom: 1px solid var(--border);
   }
   
   .card-header h3 {
       font-size: 16px;
       font-weight: 600;
       letter-spacing: -0.02em;
   }
   
   .card-footer {
       margin-top: 20px;
       padding-top: 16px;
       border-top: 1px solid var(--border);
       display: flex;
       justify-content: space-between;
       align-items: center;
   }
   
   /* ════════════════════════════════════════════════
      TABLE
      ════════════════════════════════════════════════ */
   .table-responsive { overflow-x: auto; }
   
   table {
       width: 100%;
       border-collapse: collapse;
   }
   
   table thead th {
       padding: 10px 16px;
       text-align: left;
       font-size: 11.5px;
       font-weight: 600;
       color: var(--text-tertiary);
       border-bottom: 1px solid var(--border);
       text-transform: uppercase;
       letter-spacing: 0.07em;
       white-space: nowrap;
   }
   
   table tbody td {
       padding: 13px 16px;
       border-bottom: 1px solid var(--border);
       font-size: 13.5px;
       color: var(--text-secondary);
       transition: background var(--t-fast);
   }
   
   table tbody tr:last-child td { border-bottom: none; }
   
   table tbody tr:hover td {
       background: var(--surface-hover);
       color: var(--text-primary);
   }
   
   /* Numbers in table use mono font */
   table tbody td:is(:last-child) {
       font-family: var(--font-mono);
       font-size: 13px;
   }
   
   /* ════════════════════════════════════════════════
      BADGES
      ════════════════════════════════════════════════ */
   .badge {
       display: inline-flex;
       align-items: center;
       gap: 5px;
       padding: 3px 10px;
       border-radius: var(--radius-full);
       font-size: 11.5px;
       font-weight: 600;
       letter-spacing: 0.01em;
       border: 1px solid;
   }
   
   .badge-success { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }
   .badge-danger  { background: var(--danger-bg);  color: var(--danger);  border-color: var(--danger-border); }
   .badge-warning { background: var(--warning-bg); color: var(--warning); border-color: var(--warning-border); }
   .badge-info    { background: var(--info-bg);    color: var(--info);    border-color: var(--info-border); }
   .badge-primary { background: var(--accent-glow); color: #60a5fa;       border-color: rgba(0,112,243,0.25); }

   /* ── Bootstrap/AdminLTE compatibility (badges) ── */
   .badge-light {
       background: rgba(255,255,255,0.06);
       color: var(--text-primary);
       border-color: rgba(255,255,255,0.12);
   }
   .badge-secondary {
       background: rgba(136,136,136,0.10);
       color: #bdbdbd;
       border-color: rgba(136,136,136,0.22);
   }

   /* ── Bootstrap/AdminLTE compatibility (text) ── */
   .text-primary { color: var(--accent) !important; }
   .text-dark { color: var(--text-primary) !important; }
   .text-muted { color: var(--text-secondary) !important; }
   .text-white-50 { color: rgba(255,255,255,0.5) !important; }
   .opacity-50 { opacity: 0.5 !important; }
   .font-weight-bold { font-weight: 700 !important; }

   /* ── Bootstrap/AdminLTE compatibility (tabs) ── */
   .tab-pane { display: none; }
   .tab-pane.show,
   .tab-pane.active { display: block; }
   
   /* ════════════════════════════════════════════════
      MODAL
      ════════════════════════════════════════════════ */
   .modal {
       display: none;
       position: fixed;
       inset: 0;
       background: rgba(0, 0, 0, 0.75);
       backdrop-filter: blur(4px);
       z-index: 1000;
       align-items: center;
       justify-content: center;
       animation: fadeIn var(--t-normal) var(--ease);
   }
   
   .modal.active { display: flex; }
   
   .modal-content {
       background: var(--surface);
       border: 1px solid var(--border);
       border-radius: var(--radius-xl);
       max-width: 500px;
       width: 92%;
       max-height: 85vh;
       overflow-y: auto;
       box-shadow: var(--shadow-md);
       animation: slideUp var(--t-slow) var(--ease-spring);
   }
   
   .modal-header {
       padding: 20px 24px;
       border-bottom: 1px solid var(--border);
       display: flex;
       justify-content: space-between;
       align-items: center;
   }
   
   .modal-header h2 {
       font-size: 17px;
       font-weight: 600;
       letter-spacing: -0.02em;
   }
   
   .modal-close {
       background: var(--surface-hover);
       border: 1px solid var(--border);
       color: var(--text-secondary);
       cursor: pointer;
       font-size: 18px;
       width: 32px;
       height: 32px;
       display: flex;
       align-items: center;
       justify-content: center;
       border-radius: var(--radius-sm);
       transition: all var(--t-fast);
       padding: 0;
   }
   
   .modal-close:hover {
       background: var(--danger-bg);
       border-color: var(--danger-border);
       color: var(--danger);
   }
   
   .modal-body   { padding: 24px; }
   .modal-footer {
       padding: 18px 24px;
       border-top: 1px solid var(--border);
       display: flex;
       justify-content: flex-end;
       gap: 10px;
   }
   
   /* ════════════════════════════════════════════════
      ANIMATIONS
      ════════════════════════════════════════════════ */
   @keyframes slideIn {
       from { opacity: 0; transform: translateY(-8px); }
       to   { opacity: 1; transform: translateY(0); }
   }
   
   @keyframes slideUp {
       from { opacity: 0; transform: translateY(16px) scale(0.98); }
       to   { opacity: 1; transform: translateY(0) scale(1); }
   }
   
   @keyframes fadeIn {
       from { opacity: 0; }
       to   { opacity: 1; }
   }
   
   @keyframes spin {
       to { transform: rotate(360deg); }
   }
   
   /* ════════════════════════════════════════════════
      LOADING SPINNER
      ════════════════════════════════════════════════ */
   .loading {
       display: inline-block;
       width: 18px;
       height: 18px;
       border: 2px solid var(--border-light);
       border-top-color: var(--accent);
       border-radius: 50%;
       animation: spin 0.7s linear infinite;
   }
   
   /* ════════════════════════════════════════════════
      RESPONSIVE
      ════════════════════════════════════════════════ */
   @media (max-width: 768px) {
       .dashboard-container { display: block; }
   
       .sidebar {
           position: fixed;
           width: 240px;
           height: 100vh;
           transform: translateX(-100%);
           transition: transform var(--t-slow) var(--ease);
       }
   
       .sidebar.mobile-open { transform: translateX(0); }
   
       .main-content {
           margin-left: 0;
           width: 100%;
           padding: 20px 16px;
       }
   
       .stats-grid { grid-template-columns: 1fr 1fr; }
   
       .top-bar {
           flex-direction: column;
           align-items: flex-start;
           gap: 12px;
       }
   
       .top-bar-right { width: 100%; justify-content: flex-end; }
   }
   
   @media (max-width: 480px) {
       .login-box  { padding: 28px 22px; }
       .stats-grid { grid-template-columns: 1fr; }
       .modal-content { width: 96%; }
       .stat-card-value { font-size: 26px; }
   }
   
   /* ════════════════════════════════════════════════
      UTILITY CLASSES
      ════════════════════════════════════════════════ */
   .mt-0 { margin-top: 0; }     .mt-1 { margin-top: 4px; }
   .mt-2 { margin-top: 8px; }   .mt-3 { margin-top: 12px; }
   .mt-4 { margin-top: 16px; }  .mt-5 { margin-top: 24px; }
   
   .mb-0 { margin-bottom: 0; }  .mb-1 { margin-bottom: 4px; }
   .mb-2 { margin-bottom: 8px; } .mb-3 { margin-bottom: 12px; }
   .mb-4 { margin-bottom: 16px; } .mb-5 { margin-bottom: 24px; }
   
   .text-center { text-align: center; }
   .text-muted   { color: var(--text-secondary); }
   .text-success { color: var(--success); }
   .text-danger  { color: var(--danger); }
   .text-mono    { font-family: var(--font-mono); }
   
   .d-flex   { display: flex; }
   .d-grid   { display: grid; }
   .d-none   { display: none; }
   .d-inline { display: inline; }
   
   .gap-2 { gap: 8px; }
   .gap-3 { gap: 12px; }
   .gap-4 { gap: 16px; }
   
   .rounded    { border-radius: var(--radius-md); }
   .rounded-lg { border-radius: var(--radius-lg); }
   
   .truncate {
       white-space: nowrap;
       overflow: hidden;
       text-overflow: ellipsis;
   }
   
   /* ── Legacy variable aliases (profile.php inline styles) ── */
   :root {
       --border-color:   #242424;   /* alias for --border */
       --success-color:  #50e3c2;   /* alias for --success */
       --danger-color:   #ff4444;   /* alias for --danger */
       --primary-color:  #0070f3;   /* alias for --accent */
       --text-primary:   #ededed;   /* already set, restated for safety */
   }