/* Extracted from login.html */

/* =====================================================================
       RESET & BASE
       ===================================================================== */

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

    html, body {
      height: 100%;
    }

    body {
      font-family: var(--font-body);
      font-size: var(--text-body);
      color: var(--color-text-primary);
      background-color: var(--color-bg-base);
      transition: background-color var(--duration-slow) var(--ease-in-out),
                  color var(--duration-slow) var(--ease-in-out);
      min-height: 100vh;
    }

    /* Modern theme dot-grid on body */
    [data-theme="modern"] body,
    [data-theme="modern"].theme-root {
      background-image: radial-gradient(
        circle,
        var(--dot-grid-color) 1px,
        transparent 1px
      );
      background-size: var(--dot-grid-size) var(--dot-grid-size);
    }

    button {
      cursor: pointer;
      border: none;
      background: none;
      font-family: inherit;
    }

    /* =====================================================================
       THEME SWITCHER BAR (sticky top)
       ===================================================================== */

    .theme-bar {
      position: sticky;
      top: 0;
      z-index: var(--z-sticky);
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: var(--space-2);
      padding: var(--space-2) var(--space-6);
      background-color: var(--color-bg-elevated);
      border-bottom: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      transition: background-color var(--duration-slow) var(--ease-in-out),
                  border-color var(--duration-slow) var(--ease-in-out);
    }

    .theme-bar__label {
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase;
      color: var(--color-text-muted);
      margin-right: var(--space-2);
    }

    .theme-btn {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      padding: var(--space-2) var(--space-4);
      border-radius: var(--radius-full);
      font-size: var(--text-body-sm);
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-secondary);
      border: 1.5px solid var(--color-border);
      background: transparent;
      transition: var(--transition-normal);
      letter-spacing: var(--tracking-wide);
    }

    .theme-btn:hover {
      color: var(--color-primary);
      border-color: var(--color-primary);
      background: var(--color-primary-muted);
    }

    .theme-btn.active {
      color: var(--color-text-inverse);
      background: var(--color-primary);
      border-color: var(--color-primary);
    }

    [data-theme="industrial"] .theme-btn.active {
      color: #000;
    }

    .theme-btn__dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: currentColor;
      flex-shrink: 0;
    }

    .theme-btn[data-theme-target="industrial"] .theme-btn__dot {
      background: #F5A623;
    }

    .theme-btn[data-theme-target="industrial"].active .theme-btn__dot {
      background: #000;
    }

    .theme-btn[data-theme-target="modern"] .theme-btn__dot {
      background: #FF6B35;
    }

    .theme-btn[data-theme-target="modern"].active .theme-btn__dot {
      background: #fff;
    }

    /* =====================================================================
       LAYOUT — centered login screen
       ===================================================================== */

    .login-screen {
      min-height: calc(100vh - 49px); /* subtract theme bar height */
      display: flex;
      align-items: center;
      justify-content: center;
      padding: var(--space-8) var(--space-4);
    }

    /* =====================================================================
       LOGIN CARD
       ===================================================================== */

    .login-card {
      width: 100%;
      max-width: 480px;
      background: var(--color-bg-elevated);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-xl);
      overflow: hidden;
      transition: background-color var(--duration-slow) var(--ease-in-out),
                  border-color var(--duration-slow) var(--ease-in-out),
                  box-shadow var(--duration-slow) var(--ease-in-out);
    }

    /* Industrial theme: angular clip-path on the card */
    [data-theme="industrial"] .login-card {
      border-radius: 0;
      clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
    }

    /* Modern theme: smooth rounded corners */
    [data-theme="modern"] .login-card {
      border-radius: var(--radius-xl);
    }

    /* =====================================================================
       CARD HEADER — brand / logo
       ===================================================================== */

    .card-header {
      padding: var(--space-8) var(--space-8) var(--space-6);
      text-align: center;
      border-bottom: 1px solid var(--color-border);
      position: relative;
      overflow: hidden;
    }

    /* Industrial: amber accent bar at top of header */
    [data-theme="industrial"] .card-header::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    }

    /* Modern: subtle gradient wash */
    [data-theme="modern"] .card-header {
      background: linear-gradient(
        135deg,
        rgba(255, 107, 53, 0.04) 0%,
        rgba(255, 107, 53, 0.01) 100%
      );
    }

    .brand {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--space-4);
    }

    .brand-logo {
      width: 52px;
      height: 52px;
      background: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-heading);
      font-size: 1.75rem;
      font-weight: var(--heading-weight-primary);
      color: var(--color-text-inverse);
      flex-shrink: 0;
      transition: background var(--duration-normal) var(--ease-in-out);
    }

    [data-theme="industrial"] .brand-logo {
      clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
      border-radius: 0;
    }

    [data-theme="modern"] .brand-logo {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
    }

    [data-theme="industrial"] .brand-logo {
      color: #000;
    }

    .brand-text {
      text-align: left;
    }

    .brand-name {
      font-family: var(--font-heading);
      font-size: var(--text-h4);
      font-weight: var(--heading-weight-primary);
      color: var(--color-text-primary);
      letter-spacing: var(--heading-tracking-h4);
      line-height: var(--leading-h4);
      text-transform: uppercase;
    }

    [data-theme="industrial"] .brand-name {
      letter-spacing: var(--tracking-wider);
    }

    .brand-sub {
      font-family: var(--font-body);
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-accent);
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase;
      margin-top: var(--space-1);
    }

    /* =====================================================================
       CARD BODY
       ===================================================================== */

    .card-body {
      padding: var(--space-6) var(--space-8);
      display: flex;
      flex-direction: column;
      gap: var(--space-6);
    }

    /* =====================================================================
       SECTION LABEL
       ===================================================================== */

    .section-label {
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase;
      color: var(--color-text-muted);
      margin-bottom: var(--space-3);
    }

    /* =====================================================================
       USER SELECTION
       ===================================================================== */

    .users-section {}

    .users-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--space-3);
    }

    .user-avatar-btn {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--space-2);
      padding: var(--space-3) var(--space-2);
      background: var(--color-surface-1);
      border: 1.5px solid var(--color-border);
      cursor: pointer;
      transition: var(--transition-normal);
      position: relative;
    }

    [data-theme="industrial"] .user-avatar-btn {
      border-radius: 0;
      clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
    }

    [data-theme="modern"] .user-avatar-btn {
      border-radius: var(--radius-lg);
    }

    .user-avatar-btn:hover {
      border-color: var(--color-primary);
      background: var(--color-primary-muted);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }

    .user-avatar-btn.selected {
      border-color: var(--color-primary);
      background: var(--color-primary-muted);
      box-shadow: var(--shadow-accent);
    }

    [data-theme="industrial"] .user-avatar-btn.selected {
      background: rgba(245, 166, 35, 0.10);
    }

    .user-avatar-btn.selected .user-initials {
      background: var(--color-primary);
      color: var(--color-text-inverse);
    }

    [data-theme="industrial"] .user-avatar-btn.selected .user-initials {
      color: #000;
    }

    /* Selected check indicator */
    .user-avatar-btn.selected::after {
      content: '✓';
      position: absolute;
      top: 4px;
      right: 6px;
      font-size: 10px;
      font-weight: bold;
      color: var(--color-primary);
      line-height: 1;
    }

    .user-initials {
      width: 44px;
      height: 44px;
      background: var(--color-surface-2);
      border: 1.5px solid var(--color-border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-heading);
      font-size: 0.9rem;
      font-weight: var(--heading-weight-primary);
      color: var(--color-text-secondary);
      letter-spacing: var(--tracking-wide);
      transition: var(--transition-normal);
      flex-shrink: 0;
    }

    [data-theme="industrial"] .user-initials {
      border-radius: 0;
      clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
    }

    [data-theme="modern"] .user-initials {
      border-radius: var(--radius-full);
    }

    .user-name {
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-secondary);
      text-align: center;
      line-height: 1.3;
      transition: color var(--duration-normal);
    }

    .user-avatar-btn.selected .user-name {
      color: var(--color-text-accent);
    }

    .user-role {
      font-size: 10px;
      color: var(--color-text-muted);
      text-align: center;
      letter-spacing: var(--tracking-wide);
    }

    /* =====================================================================
       PIN DISPLAY (dots)
       ===================================================================== */

    .pin-section {}

    .pin-display {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--space-4);
      padding: var(--space-4) var(--space-6);
      background: var(--color-surface-2);
      border: 1.5px solid var(--color-border);
      margin-bottom: var(--space-4);
      transition: border-color var(--duration-normal), box-shadow var(--duration-normal);
      min-height: 64px;
    }

    [data-theme="industrial"] .pin-display {
      border-radius: 0;
    }

    [data-theme="modern"] .pin-display {
      border-radius: var(--radius-lg);
    }

    .pin-display.has-digits {
      border-color: var(--color-border-accent);
    }

    .pin-display.error {
      border-color: var(--color-error);
      animation: pin-shake 0.4s var(--ease-in-out);
    }

    @keyframes pin-shake {
      0%, 100% { transform: translateX(0); }
      20%       { transform: translateX(-8px); }
      40%       { transform: translateX(8px); }
      60%       { transform: translateX(-5px); }
      80%       { transform: translateX(5px); }
    }

    .pin-dot {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      border: 2px solid var(--color-border-strong);
      background: transparent;
      transition: all var(--duration-fast) var(--ease-out);
      flex-shrink: 0;
    }

    .pin-dot.filled {
      background: var(--color-primary);
      border-color: var(--color-primary);
      transform: scale(1.1);
      box-shadow: 0 0 8px var(--color-primary);
    }

    /* PIN placeholder text when no user selected */
    .pin-placeholder {
      font-size: var(--text-body-sm);
      color: var(--color-text-muted);
      font-style: italic;
    }

    /* =====================================================================
       PIN PAD
       ===================================================================== */

    .pin-pad {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--space-3);
    }

    .pin-key {
      position: relative;
      padding: 0;
      height: 64px;
      background: var(--color-surface-2);
      border: 1.5px solid var(--color-border);
      font-family: var(--font-heading);
      font-size: 1.5rem;
      font-weight: var(--heading-weight-primary);
      color: var(--color-text-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition-fast);
      user-select: none;
      -webkit-tap-highlight-color: transparent;
      overflow: hidden;
    }

    [data-theme="industrial"] .pin-key {
      border-radius: 0;
      letter-spacing: var(--tracking-normal);
    }

    [data-theme="modern"] .pin-key {
      border-radius: var(--radius-md);
      letter-spacing: var(--tracking-snug);
    }

    .pin-key:hover {
      background: var(--color-surface-3);
      border-color: var(--color-border-strong);
      transform: translateY(-1px);
      box-shadow: var(--shadow-sm);
    }

    .pin-key:active {
      transform: translateY(1px) scale(0.97);
      box-shadow: none;
      background: var(--color-primary-muted);
      border-color: var(--color-primary);
    }

    /* Ripple effect */
    .pin-key::after {
      content: '';
      position: absolute;
      width: 100%;
      height: 100%;
      background: var(--color-primary);
      opacity: 0;
      border-radius: inherit;
      transform: scale(0);
      transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
    }

    .pin-key.ripple::after {
      transform: scale(2.5);
      opacity: 0.12;
    }

    /* Backspace key */
    .pin-key--backspace {
      font-size: 1.1rem;
      color: var(--color-text-muted);
    }

    .pin-key--backspace:hover {
      color: var(--color-error);
      border-color: var(--color-error);
      background: rgba(239, 68, 68, 0.06);
    }

    .pin-key--backspace:active {
      border-color: var(--color-error);
      background: rgba(239, 68, 68, 0.12);
    }

    /* Enter key */
    .pin-key--enter {
      background: var(--color-primary-muted);
      border-color: var(--color-primary);
      color: var(--color-primary);
      font-size: 1rem;
      font-weight: var(--font-weight-bold);
      letter-spacing: var(--tracking-wide);
    }

    .pin-key--enter:hover {
      background: var(--color-primary);
      color: var(--color-text-inverse);
      transform: translateY(-1px);
      box-shadow: var(--shadow-md);
    }

    [data-theme="industrial"] .pin-key--enter:hover {
      color: #000;
    }

    .pin-key--enter:active {
      background: var(--color-primary-active, var(--color-primary));
      color: var(--color-text-inverse);
      transform: translateY(1px) scale(0.97);
    }

    /* =====================================================================
       SUBMIT BUTTON
       ===================================================================== */

    .btn-login {
      width: 100%;
      padding: var(--space-4) var(--space-6);
      background: var(--btn-primary-bg);
      color: var(--btn-primary-text);
      border: 1.5px solid var(--btn-primary-border, transparent);
      font-family: var(--font-heading);
      font-size: var(--text-h5);
      font-weight: var(--heading-weight-primary);
      letter-spacing: var(--tracking-wider);
      text-transform: uppercase;
      cursor: pointer;
      transition: var(--transition-normal);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--space-3);
      position: relative;
      overflow: hidden;
    }

    [data-theme="industrial"] .btn-login {
      border-radius: 0;
      clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
    }

    [data-theme="modern"] .btn-login {
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
    }

    .btn-login:hover:not(:disabled) {
      background: var(--btn-primary-bg-hover);
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }

    .btn-login:active:not(:disabled) {
      background: var(--btn-primary-bg-active);
      transform: translateY(0);
      box-shadow: var(--shadow-sm);
    }

    .btn-login:disabled {
      opacity: 0.45;
      cursor: not-allowed;
      transform: none;
    }

    .btn-login__icon {
      font-size: 1.1rem;
      line-height: 1;
    }

    /* =====================================================================
       CARD FOOTER
       ===================================================================== */

    .card-footer {
      padding: var(--space-4) var(--space-8);
      border-top: 1px solid var(--color-border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-4);
      background: var(--color-surface-1);
      transition: background-color var(--duration-slow) var(--ease-in-out),
                  border-color var(--duration-slow) var(--ease-in-out);
    }

    .footer-version {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      letter-spacing: var(--tracking-wide);
      font-family: var(--font-mono);
    }

    .footer-status {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      font-size: var(--text-caption);
      color: var(--color-text-muted);
    }

    .status-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-success);
      animation: status-pulse 2.5s infinite ease-in-out;
      flex-shrink: 0;
    }

    @keyframes status-pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50%       { opacity: 0.5; transform: scale(0.85); }
    }

    /* =====================================================================
       INDUSTRIAL THEME EXTRAS — accent border line on card
       ===================================================================== */

    [data-theme="industrial"] .login-card {
      border-color: #2a2a2a;
      position: relative;
    }

    [data-theme="industrial"] .login-card::before {
      content: '';
      position: absolute;
      inset: 0;
      pointer-events: none;
      /* Simulated angular highlight on top-left edge */
      border-top: 1px solid rgba(245, 166, 35, 0.15);
      border-left: 1px solid rgba(245, 166, 35, 0.08);
      clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
      z-index: 1;
    }

    /* =====================================================================
       NOTIFICATION / TOAST for error feedback
       ===================================================================== */

    .toast {
      position: fixed;
      bottom: var(--space-8);
      left: 50%;
      transform: translateX(-50%) translateY(120%);
      background: var(--color-error);
      color: #fff;
      padding: var(--space-3) var(--space-6);
      font-size: var(--text-body-sm);
      font-weight: var(--font-weight-semibold);
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-lg);
      z-index: var(--z-toast);
      transition: transform 0.3s var(--ease-out);
      white-space: nowrap;
      pointer-events: none;
    }

    .toast.show {
      transform: translateX(-50%) translateY(0);
    }

    /* =====================================================================
       RESPONSIVE
       ===================================================================== */

    @media (max-width: 640px) {
      .theme-bar {
        padding: var(--space-2) var(--space-4);
      }

      .theme-bar__label {
        display: none;
      }

      .login-screen {
        padding: var(--space-4) var(--space-3);
        align-items: flex-start;
        padding-top: var(--space-6);
      }

      .card-body {
        padding: var(--space-5) var(--space-5);
        gap: var(--space-5);
      }

      .card-header {
        padding: var(--space-6) var(--space-5) var(--space-5);
      }

      .card-footer {
        padding: var(--space-3) var(--space-5);
      }

      .brand-logo {
        width: 44px;
        height: 44px;
        font-size: 1.4rem;
      }

      .brand-name {
        font-size: 1.25rem;
      }

      .users-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-2);
      }

      .pin-key {
        height: 56px;
        font-size: 1.35rem;
      }

      .pin-dot {
        width: 12px;
        height: 12px;
      }
    }

    @media (max-width: 360px) {
      .users-grid {
        grid-template-columns: repeat(3, 1fr);
      }

      .user-initials {
        width: 36px;
        height: 36px;
        font-size: 0.75rem;
      }

      .pin-key {
        height: 50px;
        font-size: 1.2rem;
      }
    }

    /* =====================================================================
       ACCESSIBILITY
       ===================================================================== */

    .pin-key:focus-visible,
    .user-avatar-btn:focus-visible,
    .theme-btn:focus-visible,
    .btn-login:focus-visible {
      outline: 2px solid var(--color-border-focus);
      outline-offset: 3px;
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
      }
    }