/* Extracted from config.html */

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

    *, *::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-sm);
      color: var(--color-text-primary);
      background-color: var(--color-bg-base);
      overflow: hidden;
    }

    [data-theme="modern"] body {
      background-color: var(--color-bg-base);
      background-image: radial-gradient(
        circle,
        var(--dot-grid-color) 1px,
        transparent 1px
      );
      background-size: var(--dot-grid-size) var(--dot-grid-size);
    }

    /* =========================================================================
       THEME SWITCHER BAR
       ========================================================================= */

    .theme-bar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: var(--z-toast);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 var(--space-5);
      background: var(--color-bg-overlay);
      border-bottom: 1px solid var(--color-border);
      backdrop-filter: blur(10px);
      height: 36px;
    }

    [data-theme="industrial"] .theme-bar {
      background: rgba(13, 13, 13, 0.95);
      border-bottom-color: var(--color-primary-muted);
    }

    .theme-bar__left {
      display: flex;
      align-items: center;
      gap: var(--space-3);
    }

    .theme-bar__store {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-primary);
      font-size: 0.75rem;
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase;
      color: var(--color-text-accent);
    }

    .theme-bar__dot {
      width: 6px;
      height: 6px;
      background: var(--color-success);
      border-radius: var(--radius-full);
      box-shadow: 0 0 6px var(--color-success);
      animation: blink 2.5s ease-in-out infinite;
    }

    @keyframes blink {
      0%, 100% { opacity: 1; }
      50%       { opacity: 0.35; }
    }

    .theme-bar__sep {
      width: 1px;
      height: 16px;
      background: var(--color-border);
    }

    .theme-bar__label {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      letter-spacing: var(--tracking-wide);
      text-transform: uppercase;
    }

    .theme-bar__right {
      display: flex;
      align-items: center;
      gap: var(--space-2);
    }

    .theme-btn {
      display: inline-flex;
      align-items: center;
      gap: var(--space-1);
      padding: 2px var(--space-3);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-full);
      background: transparent;
      color: var(--color-text-secondary);
      font-family: var(--font-body);
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      cursor: pointer;
      transition: var(--transition-fast);
      letter-spacing: var(--tracking-wide);
    }

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

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

    .theme-btn__swatch {
      width: 8px;
      height: 8px;
      border-radius: var(--radius-full);
    }

    .theme-btn--industrial .theme-btn__swatch { background: #F5A623; }
    .theme-btn--modern    .theme-btn__swatch  { background: #FF6B35; }

    /* =========================================================================
       APP LAYOUT
       ========================================================================= */

    .app-shell {
      display: flex;
      height: 100vh;
      padding-top: 36px;
    }

    /* =========================================================================
       SIDEBAR
       ========================================================================= */

    .sidebar {
      width: 260px;
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
      background: var(--color-bg-elevated);
      border-right: 1px solid var(--color-border);
      overflow-y: auto;
      scrollbar-width: thin;
      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
    }

    .sidebar::-webkit-scrollbar       { width: 4px; }
    .sidebar::-webkit-scrollbar-track { background: var(--scrollbar-track); }
    .sidebar::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }

    .sidebar__brand {
      display: flex;
      align-items: center;
      gap: var(--space-3);
      padding: var(--space-4) var(--space-4) var(--space-3);
      border-bottom: 1px solid var(--color-border);
      flex-shrink: 0;
    }

    .brand-logo {
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--color-primary);
      color: var(--color-text-inverse);
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-primary);
      font-size: 1.125rem;
      letter-spacing: -0.04em;
      flex-shrink: 0;
    }

    [data-theme="industrial"] .brand-logo {
      clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%);
    }

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

    .brand-name__primary {
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-primary);
      font-size: 0.9375rem;
      letter-spacing: var(--tracking-wide);
      text-transform: uppercase;
      color: var(--color-text-primary);
      line-height: 1;
    }

    .brand-name__sub {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      letter-spacing: var(--tracking-wider);
      text-transform: uppercase;
      margin-top: 2px;
    }

    .sidebar__nav {
      flex: 1;
      padding: var(--space-3) 0;
    }

    .nav-section-label {
      padding: var(--space-3) var(--space-4) var(--space-1);
      font-size: 0.6875rem;
      font-weight: var(--font-weight-semibold);
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase;
      color: var(--color-text-muted);
    }

    .nav-item {
      display: flex;
      align-items: center;
      gap: var(--space-3);
      padding: var(--space-2) var(--space-4);
      color: var(--color-text-secondary);
      text-decoration: none;
      font-size: var(--text-body-sm);
      font-weight: var(--font-weight-regular);
      border-left: 3px solid transparent;
      transition: var(--transition-fast);
      cursor: pointer;
    }

    .nav-item:hover {
      background: var(--color-surface-2);
      color: var(--color-text-primary);
    }

    .nav-item.is-active {
      background: var(--color-primary-muted);
      color: var(--color-primary);
      border-left-color: var(--color-primary);
      font-weight: var(--font-weight-semibold);
    }

    .nav-item__icon {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
      opacity: 0.7;
    }

    .nav-item.is-active .nav-item__icon {
      opacity: 1;
    }

    .sidebar__footer {
      padding: var(--space-3) var(--space-4);
      border-top: 1px solid var(--color-border);
      display: flex;
      align-items: center;
      gap: var(--space-2);
    }

    .sidebar__user-avatar {
      width: 28px;
      height: 28px;
      border-radius: var(--radius-full);
      background: var(--color-primary);
      color: var(--color-text-inverse);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: var(--text-caption);
      font-weight: var(--font-weight-bold);
      flex-shrink: 0;
    }

    .sidebar__user-info { flex: 1; overflow: hidden; }

    .sidebar__user-name {
      font-size: var(--text-body-sm);
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-primary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .sidebar__user-role {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
    }

    /* =========================================================================
       MAIN CONTENT
       ========================================================================= */

    .main {
      flex: 1;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      min-width: 0;
      margin-left: 260px;
    }

    .page-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: var(--space-4) var(--space-6);
      background: var(--color-bg-elevated);
      border-bottom: 1px solid var(--color-border);
      flex-shrink: 0;
    }

    [data-theme="industrial"] .page-header {
      background: var(--color-surface-1);
    }

    .page-header__title-group { display: flex; flex-direction: column; gap: 2px; }

    .page-header__eyebrow {
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase;
      color: var(--color-text-muted);
    }

    .page-header__title {
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-primary);
      font-size: var(--text-h4);
      letter-spacing: var(--heading-tracking-h4);
      color: var(--color-text-primary);
      line-height: 1.2;
    }

    [data-theme="industrial"] .page-header__title {
      text-transform: uppercase;
    }

    .page-header__actions {
      display: flex;
      align-items: center;
      gap: var(--space-3);
    }

    /* =========================================================================
       SCROLLABLE CONTENT
       ========================================================================= */

    .content-scroll {
      flex: 1;
      overflow-y: auto;
      padding: var(--space-5) var(--space-6);
      scrollbar-width: thin;
      scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
    }

    .content-scroll::-webkit-scrollbar       { width: 6px; }
    .content-scroll::-webkit-scrollbar-track { background: var(--scrollbar-track); }
    .content-scroll::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); }

    /* =========================================================================
       SETTINGS SECTIONS
       ========================================================================= */

    .settings-section {
      margin-bottom: var(--space-8);
    }

    .settings-section__header {
      display: flex;
      align-items: center;
      gap: var(--space-3);
      margin-bottom: var(--space-4);
      padding-bottom: var(--space-3);
      border-bottom: 1px solid var(--color-border);
    }

    .settings-section__icon {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-md);
      background: var(--color-primary-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .settings-section__icon svg {
      width: 20px;
      height: 20px;
      stroke: var(--color-primary);
      fill: none;
      stroke-width: 1.75;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .settings-section__title {
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-secondary);
      font-size: var(--text-h5);
      color: var(--color-text-primary);
      letter-spacing: var(--heading-tracking-h5);
    }

    [data-theme="industrial"] .settings-section__title {
      text-transform: uppercase;
    }

    .settings-section__desc {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      margin-top: 2px;
    }

    /* =========================================================================
       SETTINGS CARD
       ========================================================================= */

    .settings-card {
      background: var(--color-bg-elevated);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: var(--space-5);
      box-shadow: var(--shadow-sm);
      margin-bottom: var(--space-4);
    }

    [data-theme="modern"] .settings-card {
      background: var(--color-bg-overlay);
    }

    .settings-card__title {
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-primary);
      margin-bottom: var(--space-4);
      font-size: var(--text-body);
    }

    /* =========================================================================
       FORM ELEMENTS
       ========================================================================= */

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--space-4);
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: var(--space-1);
    }

    .form-group--full {
      grid-column: 1 / -1;
    }

    .form-label {
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      letter-spacing: var(--tracking-wider);
      text-transform: uppercase;
      color: var(--color-text-muted);
    }

    .form-input {
      height: 38px;
      padding: 0 var(--space-3);
      background: var(--color-bg-base);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      color: var(--color-text-primary);
      font-family: var(--font-body);
      font-size: var(--text-body-sm);
      transition: var(--transition-fast);
      outline: none;
    }

    [data-theme="modern"] .form-input {
      background: var(--color-bg-base);
    }

    .form-input:focus {
      border-color: var(--color-border-focus);
      box-shadow: var(--shadow-accent);
    }

    .form-input::placeholder {
      color: var(--color-text-muted);
    }

    .form-select {
      height: 38px;
      padding: 0 var(--space-3);
      background: var(--color-bg-base);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      color: var(--color-text-primary);
      font-family: var(--font-body);
      font-size: var(--text-body-sm);
      cursor: pointer;
      outline: none;
      transition: var(--transition-fast);
    }

    .form-select:focus {
      border-color: var(--color-border-focus);
      box-shadow: var(--shadow-accent);
    }

    .form-textarea {
      padding: var(--space-3);
      background: var(--color-bg-base);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      color: var(--color-text-primary);
      font-family: var(--font-body);
      font-size: var(--text-body-sm);
      resize: vertical;
      min-height: 80px;
      outline: none;
      transition: var(--transition-fast);
    }

    .form-textarea:focus {
      border-color: var(--color-border-focus);
      box-shadow: var(--shadow-accent);
    }

    .form-hint {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      margin-top: 2px;
    }

    /* =========================================================================
       TOGGLE SWITCH
       ========================================================================= */

    .toggle-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: var(--space-3) 0;
      border-bottom: 1px solid var(--color-border);
    }

    .toggle-row:last-child {
      border-bottom: none;
    }

    .toggle-row__info {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .toggle-row__label {
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-primary);
      font-size: var(--text-body-sm);
    }

    .toggle-row__desc {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
    }

    .toggle {
      position: relative;
      width: 44px;
      height: 24px;
      flex-shrink: 0;
    }

    .toggle input {
      opacity: 0;
      width: 0;
      height: 0;
    }

    .toggle__slider {
      position: absolute;
      cursor: pointer;
      inset: 0;
      background: var(--color-border-strong);
      border-radius: var(--radius-full);
      transition: var(--transition-normal);
    }

    .toggle__slider::before {
      content: '';
      position: absolute;
      height: 18px;
      width: 18px;
      left: 3px;
      bottom: 3px;
      background: white;
      border-radius: var(--radius-full);
      transition: var(--transition-normal);
      box-shadow: var(--shadow-sm);
    }

    .toggle input:checked + .toggle__slider {
      background: var(--color-primary);
    }

    .toggle input:checked + .toggle__slider::before {
      transform: translateX(20px);
    }

    .toggle input:focus + .toggle__slider {
      box-shadow: var(--shadow-focus);
    }

    /* =========================================================================
       THEME SELECTOR (in-app)
       ========================================================================= */

    .theme-selector {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--space-4);
    }

    .theme-option {
      background: var(--color-bg-base);
      border: 2px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: var(--space-4);
      cursor: pointer;
      transition: var(--transition-normal);
      position: relative;
    }

    .theme-option:hover {
      border-color: var(--color-border-strong);
    }

    .theme-option.is-selected {
      border-color: var(--color-primary);
      box-shadow: var(--shadow-accent);
    }

    .theme-option__check {
      position: absolute;
      top: var(--space-3);
      right: var(--space-3);
      width: 22px;
      height: 22px;
      border-radius: var(--radius-full);
      background: var(--color-primary);
      display: none;
      align-items: center;
      justify-content: center;
    }

    .theme-option.is-selected .theme-option__check {
      display: flex;
    }

    .theme-option__check svg {
      width: 14px;
      height: 14px;
      stroke: var(--color-text-inverse);
      fill: none;
      stroke-width: 2.5;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .theme-option__preview {
      height: 100px;
      border-radius: var(--radius-md);
      margin-bottom: var(--space-3);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--space-2);
      position: relative;
      overflow: hidden;
    }

    .theme-option__preview--dark {
      background: #0d0d0d;
      border: 1px solid #333;
    }

    .theme-option__preview--light {
      background: #FFFFFF;
      border: 1px solid #e2e4f0;
      background-image: radial-gradient(circle, rgba(26,26,46,0.07) 1px, transparent 1px);
      background-size: 12px 12px;
    }

    .theme-option__preview-logo {
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-primary);
      font-size: 0.875rem;
    }

    .theme-option__preview-logo--dark {
      background: #F5A623;
      color: #000;
      clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
    }

    .theme-option__preview-logo--light {
      background: #FF6B35;
      color: #fff;
      border-radius: var(--radius-sm);
    }

    .theme-option__preview-text {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .theme-option__preview-bar {
      height: 4px;
      border-radius: 2px;
    }

    .theme-option__preview--dark .theme-option__preview-bar:nth-child(1) { width: 60px; background: #fff; }
    .theme-option__preview--dark .theme-option__preview-bar:nth-child(2) { width: 40px; background: #888; }
    .theme-option__preview--dark .theme-option__preview-bar:nth-child(3) { width: 50px; background: #F5A623; }

    .theme-option__preview--light .theme-option__preview-bar:nth-child(1) { width: 60px; background: #1a1a2e; }
    .theme-option__preview--light .theme-option__preview-bar:nth-child(2) { width: 40px; background: #8080a0; }
    .theme-option__preview--light .theme-option__preview-bar:nth-child(3) { width: 50px; background: #FF6B35; }

    .theme-option__name {
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-secondary);
      font-size: var(--text-body);
      color: var(--color-text-primary);
      margin-bottom: 2px;
    }

    .theme-option__desc {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
    }

    .theme-option__colors {
      display: flex;
      gap: var(--space-2);
      margin-top: var(--space-3);
    }

    .theme-option__swatch {
      width: 20px;
      height: 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--color-border);
    }

    /* =========================================================================
       BUTTONS
       ========================================================================= */

    .btn {
      display: inline-flex;
      align-items: center;
      gap: var(--space-2);
      padding: 0 var(--space-4);
      height: 36px;
      border-radius: var(--radius-md);
      font-family: var(--font-body);
      font-size: var(--text-body-sm);
      font-weight: var(--font-weight-semibold);
      letter-spacing: var(--tracking-wide);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition-fast);
      text-decoration: none;
      white-space: nowrap;
    }

    .btn svg {
      width: 15px;
      height: 15px;
      stroke: currentColor;
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
      flex-shrink: 0;
    }

    .btn--primary {
      background: var(--btn-primary-bg);
      color: var(--btn-primary-text);
      border-color: var(--btn-primary-border);
    }

    .btn--primary:hover {
      background: var(--btn-primary-bg-hover);
    }

    .btn--secondary {
      background: var(--btn-secondary-bg);
      color: var(--btn-secondary-text);
      border-color: var(--btn-secondary-border);
    }

    .btn--secondary:hover {
      background: var(--btn-secondary-bg-hover);
    }

    .btn--ghost {
      background: var(--btn-ghost-bg);
      color: var(--btn-ghost-text);
      border-color: var(--btn-ghost-border);
    }

    .btn--ghost:hover {
      background: var(--color-surface-2);
      border-color: var(--color-border-strong);
      color: var(--color-text-primary);
    }

    .btn--danger {
      background: var(--btn-danger-bg);
      color: var(--btn-danger-text);
    }

    .btn--sm {
      height: 28px;
      padding: 0 var(--space-3);
      font-size: var(--text-caption);
    }

    .btn-group {
      display: flex;
      gap: var(--space-3);
      margin-top: var(--space-5);
    }

    /* =========================================================================
       DATA TABLE
       ========================================================================= */

    .table-wrapper {
      background: var(--color-bg-elevated);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    [data-theme="modern"] .table-wrapper {
      background: var(--color-bg-overlay);
    }

    .data-table {
      width: 100%;
      border-collapse: collapse;
      font-size: var(--text-body-sm);
    }

    .data-table thead {
      background: var(--color-surface-2);
      border-bottom: 1px solid var(--color-border);
    }

    [data-theme="industrial"] .data-table thead {
      background: var(--color-surface-3);
    }

    .data-table th {
      padding: var(--space-3) var(--space-4);
      text-align: left;
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      letter-spacing: var(--tracking-wider);
      text-transform: uppercase;
      color: var(--color-text-muted);
      white-space: nowrap;
    }

    .data-table th:first-child { padding-left: var(--space-5); }
    .data-table th:last-child  { padding-right: var(--space-5); }

    .data-table tbody tr {
      border-bottom: 1px solid var(--color-border);
      transition: background var(--duration-fast) var(--ease-in-out);
    }

    .data-table tbody tr:last-child { border-bottom: none; }

    .data-table tbody tr:hover {
      background: var(--color-surface-2);
    }

    .data-table td {
      padding: var(--space-3) var(--space-4);
      color: var(--color-text-secondary);
      vertical-align: middle;
    }

    .data-table td:first-child { padding-left: var(--space-5); }
    .data-table td:last-child  { padding-right: var(--space-5); }

    .data-table .td--primary {
      color: var(--color-text-primary);
      font-weight: var(--font-weight-semibold);
    }

    /* =========================================================================
       BADGES
       ========================================================================= */

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 2px var(--space-2);
      border-radius: var(--radius-full);
      font-size: 0.6875rem;
      font-weight: var(--font-weight-bold);
      letter-spacing: var(--tracking-wide);
      text-transform: uppercase;
      white-space: nowrap;
    }

    .badge::before {
      content: '';
      width: 5px;
      height: 5px;
      border-radius: var(--radius-full);
      background: currentColor;
      flex-shrink: 0;
    }

    .badge--ok {
      background: rgba(34, 197, 94, 0.15);
      color: var(--color-success);
    }

    .badge--pending {
      background: var(--color-primary-muted);
      color: var(--color-primary);
    }

    .badge--inactive {
      background: rgba(115, 115, 115, 0.15);
      color: var(--color-text-muted);
    }

    .badge--admin {
      background: rgba(99, 102, 241, 0.15);
      color: #818cf8;
    }

    /* =========================================================================
       USER AVATAR (table)
       ========================================================================= */

    .user-cell {
      display: flex;
      align-items: center;
      gap: var(--space-2);
    }

    .user-cell__avatar {
      width: 28px;
      height: 28px;
      border-radius: var(--radius-full);
      background: var(--color-primary-muted);
      color: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: var(--text-caption);
      font-weight: var(--font-weight-bold);
      flex-shrink: 0;
    }

    .user-cell__name {
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-primary);
    }

    /* =========================================================================
       PRINTER/DEVICE CARDS
       ========================================================================= */

    .device-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: var(--space-4);
      min-width: 0;
    }

    .device-card {
      background: var(--color-bg-elevated);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: var(--space-4) var(--space-5);
      display: flex;
      align-items: flex-start;
      gap: var(--space-4);
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
      min-width: 0;
      max-width: 100%;
      overflow: hidden;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    [data-theme="modern"] .device-card {
      background: var(--color-bg-overlay);
    }

    .device-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--color-border-strong);
    }

    .device-card__icon {
      width: 40px;
      height: 40px;
      border-radius: var(--radius-md);
      background: var(--color-primary-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .device-card__icon svg {
      width: 22px;
      height: 22px;
      stroke: var(--color-primary);
      fill: none;
      stroke-width: 1.75;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .device-card__body { flex: 1; min-width: 0; overflow-wrap: break-word; }

    .device-card__name {
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-primary);
      margin-bottom: 2px;
    }

    .device-card__detail {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      display: flex;
      align-items: center;
      gap: var(--space-1);
    }

    .device-card__detail + .device-card__detail {
      margin-top: 2px;
    }

    .device-card__actions {
      margin-top: var(--space-3);
      display: flex;
      gap: var(--space-2);
    }

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

    @media (max-width: 1024px) {
      .sidebar { width: 60px; }
      .brand-name__primary,
      .brand-name__sub,
      .nav-section-label,
      .sidebar__user-info { display: none; }
      .sidebar__brand { justify-content: center; padding: var(--space-3); }
      .nav-item { justify-content: center; padding: var(--space-2); border-left: none; border-bottom: 3px solid transparent; }
      .nav-item.is-active { border-left: none; border-bottom-color: var(--color-primary); }
      .sidebar__footer { justify-content: center; }
      .form-grid { grid-template-columns: 1fr; }
      .theme-selector { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .device-grid { grid-template-columns: 1fr; }
    }

/* Modal styles */
    .cfg-modal-overlay {
      position: fixed;
      inset: 0;
      z-index: 9999;
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(4px);
      display: flex;
      align-items: center;
      justify-content: center;
      animation: fadeIn var(--duration-fast) var(--ease-in-out);
    }
    @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

    .cfg-modal {
      background: var(--color-bg-elevated);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      width: 520px;
      max-width: 90vw;
      max-height: 80vh;
      overflow-y: auto;
      box-shadow: var(--shadow-lg);
    }
    .cfg-modal__header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: var(--space-4) var(--space-5);
      border-bottom: 1px solid var(--color-border);
    }
    .cfg-modal__title {
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-secondary);
      font-size: var(--text-h5);
      color: var(--color-text-primary);
    }
    .cfg-modal__close {
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--color-text-muted);
      cursor: pointer;
      line-height: 1;
    }
    .cfg-modal__close:hover { color: var(--color-text-primary); }
    .cfg-modal__body { padding: var(--space-5); }
    .cfg-modal__footer {
      display: flex;
      justify-content: flex-end;
      gap: var(--space-3);
      padding: var(--space-4) var(--space-5);
      border-top: 1px solid var(--color-border);
    }

    /* Extra badge colors for roles */
    .badge--owner    { background: rgba(245,166,35,0.15); color: var(--color-primary); }
    .badge--blue     { background: rgba(99,102,241,0.15); color: #818cf8; }
    .badge--green    { background: rgba(34,197,94,0.15);  color: var(--color-success); }
    .badge--yellow   { background: rgba(234,179,8,0.15);  color: #eab308; }
    .badge--purple   { background: rgba(168,85,247,0.15); color: #a855f7; }

    /* Toast notification */
    .cfg-toast {
      position: fixed;
      bottom: var(--space-5);
      right: var(--space-5);
      z-index: 10000;
      padding: var(--space-3) var(--space-5);
      border-radius: var(--radius-md);
      font-size: var(--text-body-sm);
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-inverse);
      animation: slideUp var(--duration-normal) var(--ease-in-out);
      box-shadow: var(--shadow-lg);
    }
    .cfg-toast--ok    { background: var(--color-success); }
    .cfg-toast--error { background: var(--color-error, #ef4444); }
    @keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }