/* =============================================
   TrackStar Admin Frontend — Dark Theme
   Prefix: tsa- (TrackStar Admin)
   Design tokens extracted from mockups:
   - mockup-all-drivers.html
   - mockup-edit-driver.html
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Racing+Sans+One&display=swap');

/* Racing font for driver numbers (local) */
@font-face {
    font-family: 'RacingFontPro';
    src: url('../fonts/racingfont.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* --- Custom Properties --- */
.tsa-wrap {
    --tsa-bg-dark: #0a0a0a;
    --tsa-bg-container: linear-gradient(145deg, #0a0a0a 0%, #1a1a1a 100%);
    --tsa-bg-input: #0a0a0a;
    --tsa-bg-section: rgba(0, 0, 0, 0.2);
    --tsa-bg-hover: rgba(255, 255, 255, 0.02);

    --tsa-cyan: #00bfff;
    --tsa-cyan-rgb: 0, 191, 255;
    --tsa-crimson: #dc143c;
    --tsa-crimson-rgb: 220, 20, 60;
    --tsa-green: #00ff64;
    --tsa-green-rgb: 0, 255, 100;

    --tsa-text: #ffffff;
    --tsa-text-muted: #999999;
    --tsa-text-dim: #666666;
    --tsa-text-faint: #555555;
    --tsa-text-danger: #ff6b8a;

    --tsa-border: rgba(255, 255, 255, 0.1);
    --tsa-border-subtle: rgba(255, 255, 255, 0.05);

    --tsa-shadow: 0 12px 48px rgba(0, 0, 0, 0.8);
    --tsa-shadow-glow: 0 0 0 1px rgba(255, 255, 255, 0.1);
    --tsa-shadow-btn: 0 6px 16px rgba(0, 0, 0, 0.4);

    --tsa-radius: 16px;
    --tsa-radius-md: 12px;
    --tsa-radius-sm: 8px;
    --tsa-radius-xs: 6px;

    --tsa-transition: all 0.3s ease;
    --tsa-font: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* --- Scoped Reset --- */
.tsa-wrap {
    font-family: var(--tsa-font);
    color: var(--tsa-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.tsa-wrap *,
.tsa-wrap *::before,
.tsa-wrap *::after {
    box-sizing: border-box;
}

.tsa-wrap a {
    text-decoration: none;
    color: inherit;
}

.tsa-wrap button {
    font-family: inherit;
    cursor: pointer;
}

/* --- Access Denied --- */
.tsa-access-denied {
    max-width: 500px;
    margin: 60px auto;
    padding: 40px;
    background: var(--tsa-bg-container);
    border-radius: var(--tsa-radius);
    box-shadow: var(--tsa-shadow), var(--tsa-shadow-glow);
    text-align: center;
    color: var(--tsa-text-muted);
    font-size: 15px;
}

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

/* --- Container --- */
.tsa-container {
    background: var(--tsa-bg-container);
    border-radius: var(--tsa-radius);
    box-shadow: var(--tsa-shadow), var(--tsa-shadow-glow);
    padding: 40px;
    max-width: 1200px;
    margin: 20px auto;
}

/* --- Header --- */
.tsa-header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--tsa-border-subtle);
}

.tsa-header-left {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.tsa-logo {
    color: var(--tsa-cyan);
    font-size: 22px;
    font-weight: 300;
    font-style: normal;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0;
    padding: 0;
}

.tsa-logo-tm {
    font-size: 12px;
    vertical-align: super;
    color: var(--tsa-cyan);
}

/* Brand italic — wraps "TrackStar™" so only it is italicized, not "Pro" */
.ts-brand-italic {
    font-style: italic;
}

.tsa-header-subtitle {
    color: var(--tsa-text-dim);
    font-size: 12px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.tsa-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tsa-header-user {
    color: var(--tsa-text-muted);
    font-size: 13px;
}

/* =============================================
   HAMBURGER BUTTON
   ============================================= */

.tsa-hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: none;
    border: none;
    border-radius: var(--tsa-radius-xs);
    cursor: pointer;
    transition: background 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.tsa-hamburger:hover {
    background: rgba(255, 255, 255, 0.1);
}

.tsa-hamburger-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 1px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
}

/* Hamburger → X animation */
.tsa-hamburger.active .tsa-hamburger-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.tsa-hamburger.active .tsa-hamburger-bar:nth-child(2) {
    opacity: 0;
}

.tsa-hamburger.active .tsa-hamburger-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* =============================================
   HEADER DROPDOWN MENU
   ============================================= */

.tsa-header-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0a0a0a;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    z-index: 999;
    border-top: 1px solid var(--tsa-border);
    border-bottom: 1px solid var(--tsa-border);
}

.tsa-header-menu.active {
    max-height: 400px;
    opacity: 1;
}

.tsa-header-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px solid var(--tsa-border-subtle);
    cursor: pointer;
    transform: translateY(-10px);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.4s ease,
                background 0.15s ease;
}

/* Staggered fade-in */
.tsa-header-menu.active .tsa-header-menu-item:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.05s; }
.tsa-header-menu.active .tsa-header-menu-item:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.1s; }
.tsa-header-menu.active .tsa-header-menu-item:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.15s; }
.tsa-header-menu.active .tsa-header-menu-item:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
.tsa-header-menu.active .tsa-header-menu-item:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.25s; }
.tsa-header-menu.active .tsa-header-menu-item:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }

.tsa-header-menu-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    text-decoration: none;
}

.tsa-header-menu-item svg {
    flex-shrink: 0;
}

.tsa-header-menu-item:last-child {
    border-bottom: none;
}

/* Current page — dimmed + unclickable */
.tsa-header-menu-current {
    opacity: 0.4;
    pointer-events: none;
    cursor: default;
}

.tsa-header-menu.active .tsa-header-menu-current {
    opacity: 0.4;
}

/* Disabled (Coming Soon) */
.tsa-header-menu-disabled {
    opacity: 0.4;
    pointer-events: none;
    cursor: default;
}

.tsa-header-menu.active .tsa-header-menu-disabled {
    opacity: 0.4;
}

.tsa-header-menu-soon {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.4);
    margin-left: auto;
}

/* Logout hover — red tint */
.tsa-header-menu-logout:hover {
    color: var(--tsa-text-danger);
}

/* =============================================
   SUPPORT MODAL
   ============================================= */

.tsa-support-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.tsa-support-overlay.active {
    opacity: 1;
    visibility: visible;
}

.tsa-support-modal {
    background: #111111;
    border: 1px solid var(--tsa-border);
    border-radius: var(--tsa-radius);
    width: 90%;
    max-width: 500px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.tsa-support-overlay.active .tsa-support-modal {
    transform: translateY(0);
}

.tsa-support-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--tsa-border-subtle);
}

.tsa-support-header h3 {
    margin: 0;
    color: var(--tsa-text);
    font-size: 18px;
    font-weight: 600;
}

.tsa-support-close {
    background: none;
    border: none;
    color: var(--tsa-text-muted);
    font-size: 24px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.2s ease;
}

.tsa-support-close:hover {
    color: var(--tsa-text);
}

.tsa-support-body {
    padding: 20px 24px;
}

.tsa-support-from {
    margin-bottom: 16px;
    font-size: 13px;
}

.tsa-support-from-label {
    color: var(--tsa-text-muted);
    margin-right: 6px;
}

.tsa-support-from-value {
    color: var(--tsa-text);
}

.tsa-support-textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    background: var(--tsa-bg-input);
    border: 1px solid var(--tsa-border);
    border-radius: var(--tsa-radius-sm);
    color: var(--tsa-text);
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.tsa-support-textarea:focus {
    outline: none;
    border-color: var(--tsa-cyan);
}

.tsa-support-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px 20px;
    border-top: 1px solid var(--tsa-border-subtle);
}

/* =============================================
   DESKTOP TAB NAVIGATION
   ============================================= */

.tsa-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--tsa-border-subtle);
    margin-bottom: 30px;
}

.tsa-nav-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    color: var(--tsa-text-dim);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--tsa-transition);
}

.tsa-nav-tab:hover {
    color: var(--tsa-text-muted);
}

.tsa-nav-tab-active {
    color: var(--tsa-cyan);
    border-bottom-color: var(--tsa-cyan);
}

.tsa-nav-tab-disabled {
    opacity: 0.35;
    cursor: default;
}

.tsa-nav-tab-disabled:hover {
    color: var(--tsa-text-dim);
}

.tsa-nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* =============================================
   CONTENT AREA
   ============================================= */

.tsa-content {
    min-height: 300px;
}

/* --- Loading Spinner --- */
.tsa-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 80px 20px;
    color: var(--tsa-text-dim);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tsa-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--tsa-border);
    border-top-color: var(--tsa-cyan);
    border-radius: 50%;
    animation: tsa-spin 0.8s linear infinite;
}

@keyframes tsa-spin {
    to { transform: rotate(360deg); }
}

/* --- Error Message --- */
.tsa-error-message {
    padding: 60px 20px;
    text-align: center;
    color: var(--tsa-text-danger);
    font-size: 14px;
    line-height: 1.8;
}

/* --- Placeholder (for views under construction) --- */
.tsa-placeholder {
    padding: 60px 20px;
    text-align: center;
    color: var(--tsa-text-dim);
    font-size: 14px;
    border: 1px dashed var(--tsa-border);
    border-radius: var(--tsa-radius-md);
    margin-top: 20px;
}

/* =============================================
   PAGE HEADER (within views)
   ============================================= */

.tsa-page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
}

.tsa-page-title {
    color: var(--tsa-cyan);
    font-size: 28px;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0;
    padding: 0;
}

.tsa-page-subtitle {
    color: var(--tsa-text-muted);
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 4px;
}

.tsa-page-header-right {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

/* --- Stats Row --- */
.tsa-stats-row {
    display: flex;
    gap: 24px;
    margin-top: 12px;
}

.tsa-stat {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tsa-stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--tsa-cyan);
}

.tsa-stat-number-green { color: var(--tsa-green); }
.tsa-stat-number-red { color: var(--tsa-crimson); }
.tsa-stat-number-gray { color: var(--tsa-text-muted); }
.tsa-stat-number-blue { color: #3b82f6; }

.tsa-stat-label {
    color: var(--tsa-text-dim);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Clickable stat filters */
.tsa-stat-clickable {
    cursor: pointer;
    padding: 4px 10px;
    border-radius: var(--tsa-radius-xs);
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.tsa-stat-clickable:hover {
    background: rgba(255, 255, 255, 0.05);
}

.tsa-stat-active {
    border-bottom-color: var(--tsa-cyan);
}

.tsa-stat-active[data-filter="complete"] {
    border-bottom-color: var(--tsa-green);
}

.tsa-stat-active[data-filter="incomplete"] {
    border-bottom-color: var(--tsa-crimson);
}

/* Event stat filter active borders */
.tsa-stat-active[data-filter="draft"] {
    border-bottom-color: var(--tsa-text-muted);
}

.tsa-stat-active[data-filter="open"] {
    border-bottom-color: #22c55e;
}

.tsa-stat-active[data-filter="closed"] {
    border-bottom-color: #ef4444;
}

.tsa-stat-active[data-filter="completed"] {
    border-bottom-color: #3b82f6;
}

/* Event title link — clickable, no underline */
.tsa-event-link {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

.tsa-event-link:hover {
    color: var(--tsa-cyan);
}

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

.tsa-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--tsa-radius-xs);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: var(--tsa-transition);
}

.tsa-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--tsa-shadow-btn);
}

/* Primary — cyan */
.tsa-btn-primary {
    background: rgba(var(--tsa-cyan-rgb), 0.15);
    color: var(--tsa-cyan);
    border: 1px solid rgba(var(--tsa-cyan-rgb), 0.3);
}

.tsa-btn-primary:hover {
    background: rgba(var(--tsa-cyan-rgb), 0.25);
    border-color: rgba(var(--tsa-cyan-rgb), 0.5);
    box-shadow: 0 6px 16px rgba(var(--tsa-cyan-rgb), 0.2);
}

/* Danger — crimson */
.tsa-btn-danger {
    background: rgba(var(--tsa-crimson-rgb), 0.15);
    color: var(--tsa-text-danger);
    border: 1px solid rgba(var(--tsa-crimson-rgb), 0.3);
}

.tsa-btn-danger:hover {
    background: rgba(var(--tsa-crimson-rgb), 0.25);
    border-color: rgba(var(--tsa-crimson-rgb), 0.5);
    box-shadow: 0 6px 16px rgba(var(--tsa-crimson-rgb), 0.2);
}

.tsa-btn-danger:disabled {
    background: rgba(var(--tsa-crimson-rgb), 0.05);
    color: rgba(255, 107, 138, 0.3);
    border-color: rgba(var(--tsa-crimson-rgb), 0.1);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Save — green */
.tsa-btn-save {
    background: rgba(var(--tsa-green-rgb), 0.12);
    color: var(--tsa-green);
    border: 1px solid rgba(var(--tsa-green-rgb), 0.3);
}

.tsa-btn-save:hover {
    background: rgba(var(--tsa-green-rgb), 0.2);
    border-color: rgba(var(--tsa-green-rgb), 0.5);
    box-shadow: 0 6px 16px rgba(var(--tsa-green-rgb), 0.2);
}

/* Ghost — neutral */
.tsa-btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--tsa-text);
    border: 1px solid var(--tsa-border);
}

.tsa-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Small edit button (for table rows) */
.tsa-btn-edit {
    padding: 6px 14px;
    font-size: 10px;
    background: rgba(var(--tsa-cyan-rgb), 0.1);
    color: var(--tsa-cyan);
    border: 1px solid rgba(var(--tsa-cyan-rgb), 0.3);
    border-radius: 4px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    transition: var(--tsa-transition);
    text-decoration: none;
}

.tsa-btn-edit:hover {
    background: rgba(var(--tsa-cyan-rgb), 0.2);
    border-color: rgba(var(--tsa-cyan-rgb), 0.5);
}

/* =============================================
   TOOLBAR (search + sort)
   ============================================= */

.tsa-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.tsa-search-wrapper {
    flex: 1;
    position: relative;
}

.tsa-search-box {
    width: 100%;
    padding: 12px 40px 12px 16px;
    background: var(--tsa-bg-input);
    border: 1px solid var(--tsa-border);
    border-radius: var(--tsa-radius-sm);
    font-size: 14px;
    color: var(--tsa-text);
    caret-color: var(--tsa-cyan);
    transition: var(--tsa-transition);
    font-family: inherit;
}

.tsa-search-box:focus {
    outline: none;
    border-color: var(--tsa-crimson);
    background: #000000;
    box-shadow: 0 0 0 3px rgba(var(--tsa-crimson-rgb), 0.1);
}

.tsa-search-box::placeholder {
    color: var(--tsa-text-faint);
}

.tsa-search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--tsa-text-muted);
    font-size: 20px;
    cursor: pointer;
    display: none;
    padding: 0;
    line-height: 1;
}

.tsa-search-clear:hover {
    color: var(--tsa-crimson);
}

.tsa-sort-select {
    padding: 10px 12px;
    background: var(--tsa-bg-input);
    border: 1px solid var(--tsa-border);
    border-radius: var(--tsa-radius-sm);
    color: var(--tsa-text-muted);
    font-size: 11px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: inherit;
}

.tsa-sort-select:focus {
    outline: none;
    border-color: var(--tsa-crimson);
}

/* Search toggle button — hidden on desktop */
.tsa-search-toggle {
    display: none;
}

/* =============================================
   TABLES
   ============================================= */

.tsa-table {
    width: 100%;
    border-collapse: collapse;
}

.tsa-table thead {
    border-bottom: 2px solid var(--tsa-border);
}

.tsa-table th {
    color: var(--tsa-cyan);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 16px;
    text-align: left;
}

.tsa-table th.tsa-col-center,
.tsa-table td.tsa-col-center {
    text-align: center;
}

.tsa-table tbody tr {
    border-bottom: 1px solid var(--tsa-border-subtle);
    transition: background 0.2s;
}

.tsa-table tbody tr.tsa-driver-row {
    cursor: pointer;
}

.tsa-table tbody tr:hover {
    background: var(--tsa-bg-hover);
}

.tsa-table tbody tr.tsa-row-details:hover {
    background: rgba(0, 0, 0, 0.3);
}

.tsa-table td {
    padding: 8px 16px;
    vertical-align: middle;
    font-size: 14px;
}

/* Checkbox column */
.tsa-col-checkbox {
    width: 40px;
    text-align: center;
}

.tsa-col-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--tsa-crimson);
}

/* Photo column */
.tsa-col-photo {
    width: 96px;
}

.tsa-col-photo img {
    width: 80px;
    height: 80px;
    border-radius: var(--tsa-radius-xs);
    object-fit: cover;
    border: 1px solid var(--tsa-border);
}

/* Name cell — specificity must beat .tsa-table td (0,1,1) */
.tsa-table .tsa-cell-name {
    color: var(--tsa-text);
    font-weight: 500;
    font-size: 18px;
}

.tsa-cell-email {
    color: var(--tsa-text-dim);
    font-size: 12px;
    font-weight: 400;
    margin-top: 2px;
}

/* Muted cell (location etc) */
.tsa-cell-muted {
    color: var(--tsa-text-muted);
    font-size: 13px;
}

/* Equipment cell */
.tsa-cell-equipment {
    color: #cccccc;
    font-size: 13px;
}

/* Driver number column — specificity must beat .tsa-table td (0,1,1) */
.tsa-table .tsa-col-number {
    font-family: 'Racing Sans One', Impact, sans-serif;
    color: var(--tsa-cyan);
    font-size: 18px;
    letter-spacing: -0.5px;
    transform: skewX(-8deg);
    vertical-align: middle;
}

/* Status column */
.tsa-col-status {
    width: 60px;
    text-align: center;
}

/* Actions column */
.tsa-col-actions {
    width: 100px;
    text-align: center;
}

/* Status dot */
.tsa-status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.tsa-status-dot-complete {
    background: var(--tsa-green);
    box-shadow: 0 0 8px rgba(var(--tsa-green-rgb), 0.6);
}

.tsa-status-dot-incomplete {
    background: var(--tsa-crimson);
    box-shadow: 0 0 8px rgba(var(--tsa-crimson-rgb), 0.6);
}

/* Missing data indicator */
.tsa-missing {
    color: var(--tsa-crimson);
    font-style: italic;
}

/* Expand icon (for expandable rows) */
.tsa-expand-icon {
    color: var(--tsa-text-faint);
    font-size: 10px;
    margin-right: 8px;
    transition: transform 0.3s;
    display: inline-block;
}

.tsa-expand-icon.tsa-expand-icon-open {
    transform: rotate(90deg);
}

/* Expanded detail row */
.tsa-row-details {
    display: none;
    background: rgba(0, 0, 0, 0.3);
}

.tsa-row-details.tsa-row-details-open {
    display: table-row;
}

.tsa-row-details td {
    padding: 24px 16px;
}

/* Detail grid (label/value pairs) */
.tsa-details-content {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin-left: 56px;
}

.tsa-details-photo img {
    width: 200px;
    height: 200px;
    border-radius: var(--tsa-radius-sm);
    object-fit: cover;
    border: 2px solid var(--tsa-border);
}

.tsa-details-info {
    flex: 1;
    display: grid;
    grid-template-columns: 120px 1fr;
    row-gap: 12px;
    column-gap: 16px;
    align-items: center;
}

.tsa-details-label {
    color: var(--tsa-text);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tsa-details-value {
    color: var(--tsa-cyan);
    font-size: 13px;
    font-weight: 500;
}

.tsa-details-divider {
    grid-column: 1 / -1;
    height: 1px;
    background: var(--tsa-border-subtle);
    margin: 4px 0;
}

.tsa-details-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

/* Table footer */
.tsa-table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding: 0 16px;
}

.tsa-select-all-link {
    color: var(--tsa-text-danger);
    font-size: 10px;
    cursor: pointer;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color 0.3s;
}

.tsa-select-all-link:hover {
    color: var(--tsa-crimson);
    text-decoration: underline;
}

.tsa-driver-count {
    color: var(--tsa-text-faint);
    font-size: 11px;
    letter-spacing: 0.5px;
}

/* =============================================
   FORM SECTIONS
   ============================================= */

.tsa-form-section {
    background: var(--tsa-bg-section);
    border: 1px solid var(--tsa-border-subtle);
    border-radius: var(--tsa-radius-md);
    padding: 24px;
    margin-bottom: 32px;
}

.tsa-form-section:last-child {
    margin-bottom: 0;
}

.tsa-section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--tsa-border-subtle);
}

/* Colored accent bar */
.tsa-section-icon {
    width: 4px;
    height: 18px;
    background: var(--tsa-cyan);
    border-radius: 2px;
}

.tsa-section-icon-crimson {
    background: var(--tsa-crimson);
}

.tsa-section-icon-green {
    background: var(--tsa-green);
}

.tsa-section-title {
    color: var(--tsa-cyan);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
    padding: 0;
}

.tsa-section-icon-cyan {
    background: var(--tsa-cyan);
}

.tsa-section-title-cyan {
    color: var(--tsa-cyan);
}

.tsa-section-title-crimson {
    color: var(--tsa-crimson);
}

.tsa-section-title-green {
    color: var(--tsa-green);
}

/* Form layout */
.tsa-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.tsa-form-row:last-child {
    margin-bottom: 0;
}

.tsa-form-row-single {
    grid-template-columns: 1fr;
}

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

.tsa-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tsa-form-group label {
    color: var(--tsa-text);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tsa-form-required {
    color: var(--tsa-crimson);
    margin-left: 2px;
}

.tsa-form-group input,
.tsa-form-group select,
.tsa-form-group textarea {
    padding: 12px 14px;
    background: var(--tsa-bg-input);
    border: 1px solid var(--tsa-border);
    border-radius: var(--tsa-radius-sm);
    color: var(--tsa-text);
    font-size: 14px;
    caret-color: var(--tsa-cyan);
    transition: var(--tsa-transition);
    font-family: inherit;
}

.tsa-form-group input:focus,
.tsa-form-group select:focus,
.tsa-form-group textarea:focus {
    outline: none;
    border-color: var(--tsa-crimson);
    background: #000000;
    box-shadow: 0 0 0 3px rgba(var(--tsa-crimson-rgb), 0.1);
}

.tsa-form-group input::placeholder,
.tsa-form-group textarea::placeholder {
    color: #444444;
}

.tsa-form-group input:read-only {
    color: var(--tsa-text-dim);
    cursor: not-allowed;
    opacity: 0.5;
}

.tsa-form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23fff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 12px;
    padding-right: 36px;
    cursor: pointer;
}

.tsa-form-group select:hover {
    border-color: rgba(var(--tsa-crimson-rgb), 0.5);
}

/* Transponder rows */
.tsa-transponder-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tsa-transponder-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.tsa-transponder-row input {
    padding: 12px 14px;
    background: var(--tsa-bg-deep);
    border: 1px solid var(--tsa-border);
    border-radius: var(--tsa-radius-sm);
    color: var(--tsa-text);
    font-size: 14px;
    font-family: inherit;
    caret-color: var(--tsa-cyan);
    transition: var(--tsa-transition);
}

.tsa-transponder-row input:focus {
    outline: none;
    border-color: var(--tsa-crimson);
    background: #000;
    box-shadow: 0 0 0 3px rgba(var(--tsa-crimson-rgb), 0.1);
}

.tsa-transponder-row input::placeholder {
    color: var(--tsa-text-dim);
}

.tsa-transponder-number {
    width: 140px;
    flex-shrink: 0;
}

.tsa-transponder-label {
    flex: 1;
    min-width: 0;
}

.tsa-transponder-remove {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--tsa-crimson-rgb), 0.1);
    border: 1px solid rgba(var(--tsa-crimson-rgb), 0.2);
    border-radius: var(--tsa-radius-xs);
    color: var(--tsa-text-danger);
    font-size: 18px;
    cursor: pointer;
    transition: var(--tsa-transition);
}

.tsa-transponder-remove:hover {
    background: rgba(var(--tsa-crimson-rgb), 0.25);
    border-color: rgba(var(--tsa-crimson-rgb), 0.5);
}

.tsa-transponder-remove:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.tsa-transponder-add {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    padding: 8px 16px;
    background: rgba(var(--tsa-cyan-rgb, 0, 191, 255), 0.1);
    border: 1px solid rgba(var(--tsa-cyan-rgb, 0, 191, 255), 0.2);
    border-radius: var(--tsa-radius-xs);
    color: var(--tsa-cyan);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--tsa-transition);
}

.tsa-transponder-add:hover {
    background: rgba(var(--tsa-cyan-rgb, 0, 191, 255), 0.2);
    border-color: rgba(var(--tsa-cyan-rgb, 0, 191, 255), 0.4);
}

.tsa-transponder-hint {
    color: var(--tsa-text-dim);
    font-size: 11px;
    margin-top: 8px;
}

/* =============================================
   MODALS
   ============================================= */

.tsa-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.tsa-modal-overlay.tsa-modal-show {
    display: flex;
}

.tsa-modal {
    background: var(--tsa-bg-container);
    border-radius: var(--tsa-radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(var(--tsa-cyan-rgb), 0.3);
    padding: 40px;
    max-width: 480px;
    width: 90%;
    transform: scale(0.95);
    transition: transform 0.3s;
}

.tsa-modal-show .tsa-modal {
    transform: scale(1);
}

.tsa-modal-danger {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(var(--tsa-crimson-rgb), 0.5);
}

.tsa-modal-icon {
    text-align: center;
    font-size: 48px;
    margin-bottom: 20px;
}

.tsa-modal-title {
    color: var(--tsa-text);
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.tsa-modal-message {
    color: var(--tsa-text-muted);
    font-size: 14px;
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.6;
}

.tsa-modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.tsa-modal-buttons .tsa-btn {
    min-width: 120px;
    justify-content: center;
}

/* Modal form layout */
.tsa-modal-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

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

/* Body scroll lock when modal is open */
body.tsa-modal-open {
    overflow: hidden;
}

/* =============================================
   TOAST NOTIFICATION
   ============================================= */

.tsa-toast {
    position: fixed;
    top: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    border-radius: var(--tsa-radius-sm);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    z-index: 10001;
    transform: translateX(calc(100% + 40px));
    transition: transform 0.4s ease, opacity 0.4s ease, visibility 0.4s ease;
    background: rgba(0, 0, 0, 0.9);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

.tsa-toast-show {
    transform: translateX(0);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.tsa-toast-success {
    color: var(--tsa-green);
    border: 1px solid rgba(var(--tsa-green-rgb), 0.3);
}

.tsa-toast-error {
    color: var(--tsa-text-danger);
    border: 1px solid rgba(var(--tsa-crimson-rgb), 0.3);
}

.tsa-toast-dismiss {
    background: none;
    border: none;
    color: var(--tsa-text-dim);
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.tsa-toast-dismiss:hover {
    color: var(--tsa-text);
}

/* =============================================
   STATUS MESSAGE
   ============================================= */

.tsa-status-message {
    padding: 10px 20px;
    border-radius: var(--tsa-radius-xs);
    font-size: 11px;
    display: none;
    letter-spacing: 0.5px;
    font-weight: 600;
    text-transform: uppercase;
}

.tsa-status-message-success {
    display: inline-block;
    background: rgba(var(--tsa-green-rgb), 0.1);
    color: var(--tsa-green);
    border: 1px solid rgba(var(--tsa-green-rgb), 0.3);
}

.tsa-status-message-error {
    display: inline-block;
    background: rgba(var(--tsa-crimson-rgb), 0.1);
    color: var(--tsa-text-danger);
    border: 1px solid rgba(var(--tsa-crimson-rgb), 0.3);
}

/* =============================================
   CARDS (for driver/event cards)
   ============================================= */

.tsa-card {
    background: var(--tsa-bg-section);
    border: 1px solid var(--tsa-border-subtle);
    border-radius: var(--tsa-radius-md);
    padding: 20px;
    transition: var(--tsa-transition);
}

.tsa-card:hover {
    border-color: var(--tsa-border);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

/* =============================================
   EDIT LAYOUT (two-column: sidebar + form)
   ============================================= */

.tsa-edit-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}

.tsa-edit-sidebar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

/* Driver photo */
.tsa-driver-photo {
    width: 260px;
    height: 260px;
    border-radius: var(--tsa-radius-md);
    overflow: hidden;
    border: 2px solid var(--tsa-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    position: relative;
}

.tsa-driver-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tsa-driver-photo-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    cursor: pointer;
}

.tsa-driver-photo:hover .tsa-driver-photo-overlay {
    opacity: 1;
}

.tsa-driver-photo-overlay span {
    color: var(--tsa-text);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--tsa-radius-xs);
}

/* Upload button */
.tsa-upload-btn {
    width: 260px;
    padding: 10px;
    background: rgba(var(--tsa-cyan-rgb), 0.1);
    border: 1px solid rgba(var(--tsa-cyan-rgb), 0.3);
    border-radius: var(--tsa-radius-xs);
    color: var(--tsa-cyan);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--tsa-transition);
    text-align: center;
    font-family: inherit;
}

.tsa-upload-btn:hover {
    background: rgba(var(--tsa-cyan-rgb), 0.15);
    border-color: rgba(var(--tsa-cyan-rgb), 0.5);
    box-shadow: 0 0 10px rgba(var(--tsa-cyan-rgb), 0.3);
}

/* Status card (sidebar) */
.tsa-status-card {
    width: 260px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--tsa-border-subtle);
    border-radius: 10px;
    padding: 20px;
}

.tsa-status-card-title {
    color: var(--tsa-text-dim);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.tsa-status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.tsa-status-item:last-child {
    border-bottom: none;
}

.tsa-status-item-label {
    color: var(--tsa-text-muted);
    font-size: 12px;
}

.tsa-status-item-value {
    font-size: 12px;
    font-weight: 600;
}

.tsa-status-item-complete { color: var(--tsa-green); }
.tsa-status-item-incomplete { color: var(--tsa-crimson); }
.tsa-status-item-neutral { color: var(--tsa-text-muted); }

/* Edit footer */
.tsa-edit-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--tsa-border-subtle);
}

/* Back link */
.tsa-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--tsa-text-dim);
    font-size: 13px;
    transition: color 0.2s;
    cursor: pointer;
}

.tsa-back-link:hover {
    color: var(--tsa-text);
}

/* ID badge */
.tsa-id-badge {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--tsa-border);
    border-radius: 4px;
    color: var(--tsa-text-dim);
    font-size: 11px;
    font-family: monospace;
    margin-left: 8px;
}

/* =============================================
   MOBILE BOTTOM TAB BAR
   ============================================= */

.tsa-bottom-bar {
    display: none; /* Hidden on desktop, shown via media query */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(145deg, #0a0a0a 0%, #1a1a1a 100%);
    border-top: 3px solid var(--tsa-cyan);
    border-bottom: 3px solid var(--tsa-cyan);
    z-index: 9999;
    justify-content: space-around;
    padding: 8px 0;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
}

.tsa-bottom-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    color: var(--tsa-text-dim);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    min-width: 64px;
    min-height: 44px;
    transition: color 0.2s;
}

.tsa-bottom-tab-active {
    color: var(--tsa-cyan);
    border: 2px solid var(--tsa-cyan);
    border-radius: 8px;
}

.tsa-bottom-tab-disabled {
    opacity: 0.35;
    cursor: default;
}

.tsa-bottom-icon {
    width: 22px;
    height: 22px;
}

/* =============================================
   MANAGE CLASSES MODAL
   ============================================= */

.tsa-manage-classes-list {
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 0 0 8px 0;
    text-align: left;
}

.tsa-manage-class-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--tsa-border-subtle);
    border-radius: var(--tsa-radius-xs);
    transition: all 0.2s ease;
}

.tsa-manage-class-row:hover {
    border-color: var(--tsa-border);
}

.tsa-manage-class-name {
    color: var(--tsa-text);
    font-size: 14px;
    flex: 1;
}

.tsa-manage-class-delete {
    background: none;
    border: none;
    color: var(--tsa-crimson);
    cursor: pointer;
    font-size: 18px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.15s ease;
    line-height: 1;
}

.tsa-manage-class-delete:hover {
    background: rgba(var(--tsa-crimson-rgb), 0.2);
}

.tsa-manage-class-confirm {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tsa-manage-class-confirm span {
    color: var(--tsa-crimson);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tsa-manage-class-confirm-yes {
    padding: 4px 12px;
    background: rgba(var(--tsa-crimson-rgb), 0.15);
    border: 1px solid rgba(var(--tsa-crimson-rgb), 0.3);
    border-radius: 4px;
    color: var(--tsa-crimson);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.15s ease;
}

.tsa-manage-class-confirm-yes:hover {
    background: rgba(var(--tsa-crimson-rgb), 0.3);
}

.tsa-manage-class-confirm-no {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--tsa-border);
    border-radius: 4px;
    color: var(--tsa-text-muted);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.15s ease;
}

.tsa-manage-class-confirm-no:hover {
    background: rgba(255, 255, 255, 0.1);
}

.tsa-manage-classes-empty {
    padding: 20px;
    text-align: center;
    color: var(--tsa-text-dim);
    font-size: 13px;
}

/* =============================================
   RESPONSIVE — Mobile (< 768px)
   ============================================= */

@media (max-width: 767px) {
    /* Show bottom bar, hide desktop nav */
    .tsa-bottom-bar {
        display: flex;
        position: fixed !important;
        bottom: 0 !important;
        left: 0;
        right: 0;
        z-index: 9999;
    }

    .tsa-nav {
        display: none;
    }

    /* Reduce container padding */
    .tsa-container {
        padding: 20px 16px;
        margin: 0;
        border-radius: 0;
        box-shadow: none;
        /* Add bottom padding for fixed bottom bar */
        padding-bottom: 100px;
    }

    /* Header stays horizontal on mobile — logo left, hamburger right */
    .tsa-header {
        flex-direction: row;
        align-items: center;
        gap: 8px;
        margin-bottom: 8px;
        padding-bottom: 8px;
    }

    .tsa-header-left {
        flex-direction: column;
        gap: 2px;
        flex: 1;
    }

    .tsa-logo {
        font-size: 18px;
    }

    /* Smaller page titles */
    .tsa-page-title {
        font-size: 22px;
    }

    /* Stack page header */
    .tsa-page-header {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 16px;
    }

    .tsa-page-header-right {
        width: 100%;
        flex-wrap: wrap;
    }

    .tsa-page-header-right .tsa-btn {
        flex: 1;
        justify-content: center;
        padding: 10px 12px;
        font-size: 12px;
        white-space: nowrap;
    }

    /* Stats wrap on small screens — kill top margin (title was removed) */
    .tsa-stats-row {
        gap: 16px;
        margin-top: 0;
    }

    /* Stats edge-to-edge on mobile */
    .tsa-page-header-left {
        width: 100%;
    }

    .tsa-stat-clickable {
        flex: 1;
        justify-content: center;
    }

    /* Toolbar: sort + search icon inline, search bar hidden until toggled */
    .tsa-toolbar {
        flex-wrap: wrap;
    }

    .tsa-search-wrapper {
        display: none;
        flex: 1;
    }

    .tsa-sort-select {
        flex: 1;
    }

    .tsa-search-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--tsa-bg-input);
        border: 1px solid var(--tsa-border);
        border-radius: var(--tsa-radius-sm);
        color: var(--tsa-text-muted);
        cursor: pointer;
        padding: 9px 10px;
        transition: var(--tsa-transition);
    }

    .tsa-search-toggle:hover {
        color: var(--tsa-cyan);
        border-color: var(--tsa-cyan);
    }

    .tsa-toolbar.tsa-search-open .tsa-search-toggle {
        color: var(--tsa-cyan);
        border-color: var(--tsa-cyan);
    }

    /* Edit layout — single column */
    .tsa-edit-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .tsa-edit-sidebar {
        align-items: center;
    }

    .tsa-driver-photo {
        width: 200px;
        height: 200px;
    }

    .tsa-upload-btn,
    .tsa-status-card {
        width: 100%;
        max-width: 300px;
    }

    /* Form rows — single column */
    .tsa-form-row {
        grid-template-columns: 1fr;
    }

    /* Modal form — single column */
    .tsa-modal-form {
        grid-template-columns: 1fr;
    }

    /* Edit footer stacks */
    .tsa-edit-footer {
        flex-direction: column;
        gap: 16px;
    }

    .tsa-edit-footer .tsa-btn-save {
        width: 100%;
        justify-content: center;
    }

    /* Drivers table columns hidden on mobile (card layout handles these) */
    .tsa-drivers-col-location,
    .tsa-drivers-col-chassis {
        display: none;
    }

    /* Hide Delete Selected + Select All on mobile (long-press replaces) */
    #tsa-delete-selected-btn {
        display: none;
    }

    /* Detail content stacks */
    .tsa-details-content {
        flex-direction: column;
        margin-left: 0;
    }

    .tsa-details-photo img {
        width: 100%;
        max-width: 200px;
        height: auto;
        aspect-ratio: 1;
    }

    /* Toast at bottom on mobile */
    .tsa-toast {
        top: auto;
        bottom: 80px;
        right: 16px;
        left: 16px;
        transform: translateY(calc(100% + 40px));
        visibility: hidden;
        opacity: 0;
    }

    .tsa-toast-show {
        transform: translateY(0);
        visibility: visible;
        opacity: 1;
    }
}

/* =============================================
   RESPONSIVE — Tablet (768px - 1024px)
   ============================================= */

@media (min-width: 768px) and (max-width: 1024px) {
    .tsa-container {
        padding: 30px;
        margin: 10px;
    }

    .tsa-edit-layout {
        grid-template-columns: 220px 1fr;
        gap: 24px;
    }

    .tsa-driver-photo {
        width: 200px;
        height: 200px;
    }

    .tsa-upload-btn,
    .tsa-status-card {
        width: 200px;
    }
}

/* =============================================
   EVENT-SPECIFIC STYLES
   ============================================= */

/* Event Status Badges */
.tsa-event-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
    text-transform: capitalize;
}

.tsa-event-status-draft {
    background: rgba(161, 161, 170, 0.15);
    color: var(--tsa-text-muted);
}

.tsa-event-status-open {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.tsa-event-status-closed {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.tsa-event-status-completed {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

/* Event Hero Image Upload Area */
.tsa-event-hero {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 1;
    border-radius: 8px;
    overflow: hidden;
    background: var(--tsa-surface);
    border: 1px solid var(--tsa-border);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tsa-event-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tsa-event-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    color: white;
    font-size: 14px;
    font-weight: 500;
}

.tsa-event-hero:hover .tsa-event-hero-overlay {
    opacity: 1;
}

.tsa-event-hero.tsa-uploading {
    pointer-events: none;
    opacity: 0.6;
}

.tsa-event-hero-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tsa-text-muted);
    font-size: 14px;
}

/* Event Class List */
.tsa-event-class-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tsa-event-class-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--tsa-surface);
    border: 1px solid var(--tsa-border);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.tsa-event-class-item:hover {
    border-color: var(--tsa-cyan);
}

.tsa-event-class-drag {
    color: var(--tsa-text-muted);
    cursor: grab;
    user-select: none;
    font-size: 16px;
    line-height: 1;
}

.tsa-event-class-drag:active {
    cursor: grabbing;
}

.tsa-event-class-name {
    flex: 1;
    font-size: 14px;
    color: var(--tsa-text);
}

.tsa-event-class-actions {
    display: flex;
    gap: 4px;
}

.tsa-event-class-up,
.tsa-event-class-down,
.tsa-event-class-remove {
    background: none;
    border: 1px solid var(--tsa-border);
    color: var(--tsa-text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1;
    transition: all 0.15s ease;
}

.tsa-event-class-up:hover,
.tsa-event-class-down:hover {
    background: var(--tsa-cyan);
    border-color: var(--tsa-cyan);
    color: white;
}

.tsa-event-class-remove {
    font-size: 18px;
    padding: 4px 10px;
}

.tsa-event-class-remove:hover {
    background: var(--tsa-crimson);
    border-color: var(--tsa-crimson);
    color: white;
}

/* Empty State */
.tsa-empty-state {
    padding: 20px;
    text-align: center;
    color: var(--tsa-text-muted);
    font-size: 14px;
    background: var(--tsa-surface);
    border: 1px dashed var(--tsa-border);
    border-radius: 6px;
}

/* Registration Groups */
.tsa-registration-group {
    margin-bottom: 24px;
}

.tsa-registration-group-header {
    font-size: 15px;
    font-weight: 600;
    color: var(--tsa-green);
    padding: 8px 0;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--tsa-border);
}

.tsa-registration-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 16px;
    padding: 10px 12px;
    background: var(--tsa-surface);
    border: 1px solid var(--tsa-border);
    border-radius: 6px;
    margin-bottom: 6px;
    font-size: 14px;
}

.tsa-registration-row:last-child {
    margin-bottom: 0;
}

.tsa-registration-driver {
    color: var(--tsa-text);
    font-weight: 500;
}

.tsa-registration-transponder {
    color: var(--tsa-text-muted);
    font-family: 'Courier New', monospace;
}

.tsa-registration-number {
    color: var(--tsa-cyan);
    font-weight: 600;
    min-width: 50px;
    text-align: right;
}

/* Cell count styling for events table */
.tsa-cell-count {
    font-variant-numeric: tabular-nums;
    color: var(--tsa-cyan);
    font-weight: 500;
}

/* Hide event description on manage events page */
.tsa-events-table .tsa-cell-email {
    display: none;
}

/* Delete button in actions column */
.tsa-btn-delete {
    background: none;
    border: none;
    color: var(--tsa-crimson);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 13px;
    transition: all 0.15s ease;
    text-decoration: underline;
}

.tsa-btn-delete:hover {
    color: #ff3b3b;
}

/* Mobile adjustments for events */
@media (max-width: 767px) {
    .tsa-event-hero {
        width: 100%;
    }

    .tsa-registration-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .tsa-registration-transponder,
    .tsa-registration-number {
        font-size: 12px;
    }

    .tsa-event-class-item {
        flex-wrap: wrap;
    }

    .tsa-event-class-actions {
        width: 100%;
        justify-content: flex-end;
    }

    /* ── Events list: table → card layout ── */
    .tsa-events-table,
    .tsa-events-table thead,
    .tsa-events-table tbody,
    .tsa-events-table tr,
    .tsa-events-table td {
        display: block;
    }

    .tsa-events-table thead {
        display: none;
    }

    .tsa-events-table {
        border-collapse: separate;
    }

    .tsa-events-table .tsa-event-row {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        background: var(--tsa-bg-card);
        border: 1px solid var(--tsa-border-subtle);
        border-radius: 8px;
        padding: 12px 14px;
        margin-bottom: 10px;
    }

    .tsa-events-table .tsa-event-row:hover {
        background: var(--tsa-bg-card);
    }

    /* Reset base table cell styles inside cards */
    .tsa-events-table .tsa-event-row td {
        padding: 0;
        border: none;
        text-align: left;
        vertical-align: baseline;
    }

    /* Row 1: Event name — full width */
    .tsa-event-row .tsa-cell-name {
        order: 1;
        width: 100%;
        margin-bottom: 2px;
    }

    /* Row 2: Date — full width */
    .tsa-event-row .tsa-cell-muted {
        order: 2;
        width: 100%;
        margin-bottom: 10px;
    }

    /* Row 3: Status / Drivers / Entries — inline */
    .tsa-event-row td:nth-child(3) {
        order: 3;
        width: auto;
        margin-right: 12px;
    }

    .tsa-event-row td:nth-child(4) {
        order: 4;
        width: auto;
        margin-left: auto;
        margin-right: 12px;
        font-size: 13px;
        color: var(--tsa-text-muted);
    }

    .tsa-event-row td:nth-child(4)::after {
        content: " drivers";
    }

    .tsa-event-row td:nth-child(5) {
        order: 5;
        width: auto;
        margin-right: 12px;
        font-size: 13px;
        color: var(--tsa-text-muted);
    }

    .tsa-event-row td:nth-child(5)::after {
        content: " entries";
    }

    /* Actions — inline */
    .tsa-event-row .tsa-col-actions {
        order: 6;
        width: auto;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    /* Trash icon replaces "Delete" text on mobile */
    .tsa-event-row .tsa-btn-delete {
        font-size: 0;
        text-decoration: none;
        padding: 4px;
        line-height: 1;
    }

    .tsa-event-row .tsa-btn-delete::before {
        content: "\1F5D1";
        font-size: 15px;
    }

    /* ── Drivers list: table → card layout ── */
    .tsa-drivers-table,
    .tsa-drivers-table thead,
    .tsa-drivers-table tbody,
    .tsa-drivers-table tr,
    .tsa-drivers-table td {
        display: block;
    }

    .tsa-drivers-table thead {
        display: none;
    }

    .tsa-drivers-table {
        border-collapse: separate;
    }

    /* Detail rows must stay hidden until expanded (overrides blanket tr→block) */
    .tsa-drivers-table .tsa-row-details {
        display: none;
    }

    .tsa-drivers-table .tsa-row-details.tsa-row-details-open {
        display: block;
    }

    .tsa-drivers-table .tsa-driver-row {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        background: var(--tsa-bg-card);
        border: 1px solid var(--tsa-border-subtle);
        border-radius: 8px;
        padding: 12px 14px;
        margin-bottom: 10px;
    }

    .tsa-drivers-table .tsa-driver-row:hover {
        background: var(--tsa-bg-card);
    }

    /* Reset base table cell styles inside cards */
    .tsa-drivers-table .tsa-driver-row td {
        padding: 0;
        border: none;
        text-align: left;
        vertical-align: baseline;
    }

    /* Hide checkbox, photo, location, chassis on mobile cards */
    .tsa-driver-row .tsa-col-checkbox {
        display: none;
    }

    .tsa-driver-row .tsa-col-photo {
        display: none;
    }

    .tsa-drivers-table .tsa-drivers-col-location,
    .tsa-drivers-table .tsa-drivers-col-chassis {
        display: none !important;
    }

    /* Row 1: Name (with expand icon) — takes remaining space */
    .tsa-driver-row .tsa-cell-name {
        order: 1;
        flex: 1 1 0;
        min-width: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        margin-bottom: 0;
    }

    .tsa-driver-row .tsa-cell-name .tsa-cell-email {
        display: none;
    }

    /* Row 1: Driver number — Racing Sans One, cyan */
    .tsa-driver-row .tsa-col-number {
        order: 2;
        width: auto;
        flex: 0 0 auto;
        font-family: 'Racing Sans One', Impact, sans-serif;
        color: var(--tsa-cyan);
        font-size: 19px;
        letter-spacing: -0.5px;
        transform: skewX(-8deg);
        margin: 0 10px;
        display: block !important;
    }

    /* Row 1: Status dot — far right */
    .tsa-driver-row .tsa-col-status {
        order: 3;
        width: auto;
        flex: 0 0 auto;
        display: block !important;
    }

    /* Flex line break between Row 1 and Row 2 */
    .tsa-driver-row::before {
        content: '';
        order: 4;
        flex-basis: 100%;
        height: 0;
    }

    /* Row 2: Email — takes remaining space */
    .tsa-driver-row::after {
        content: attr(data-email);
        order: 5;
        flex: 1 1 0;
        min-width: 0;
        font-size: 12px;
        color: var(--tsa-text-dim);
        margin-top: 6px;
        padding-left: 26px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        box-sizing: border-box;
    }

    /* Row 2: Edit — right side, same line as email */
    .tsa-driver-row .tsa-col-actions {
        order: 6;
        flex: 0 0 auto;
        width: auto;
        margin-top: 6px;
        margin-left: auto;
    }

    /* Detail row stays full-width block */
    .tsa-drivers-table .tsa-row-details {
        margin-top: -10px;
        margin-bottom: 10px;
        border: 1px solid var(--tsa-border-subtle);
        border-top: none;
        border-radius: 0 0 8px 8px;
    }

    .tsa-drivers-table .tsa-row-details td {
        padding: 14px;
    }

    /* ── Selection mode (long-press) ── */
    .tsa-selection-mode .tsa-driver-row .tsa-col-checkbox {
        display: flex;
        align-items: center;
        order: 0;
        flex: 0 0 auto;
        margin-right: 10px;
    }

    .tsa-selection-mode .tsa-driver-row .tsa-expand-icon {
        display: none;
    }

    .tsa-selection-mode .tsa-driver-row .tsa-col-actions {
        display: none;
    }

    .tsa-selection-mode .tsa-drivers-table .tsa-driver-row {
        padding-bottom: 12px;
    }

    /* Selection toolbar */
    .tsa-selection-toolbar {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 10px 14px;
        background: var(--tsa-surface);
        border: 1px solid var(--tsa-border);
        border-radius: var(--tsa-radius-sm);
        margin-bottom: 12px;
    }

    .tsa-selection-cancel {
        background: none;
        border: none;
        color: var(--tsa-text);
        font-size: 18px;
        cursor: pointer;
        padding: 4px 8px;
        line-height: 1;
    }

    .tsa-selection-count {
        font-size: 14px;
        color: var(--tsa-text);
        font-weight: 500;
    }

    .tsa-selection-all {
        color: var(--tsa-cyan);
        font-size: 13px;
        cursor: pointer;
        margin-left: auto;
    }

    .tsa-selection-delete {
        font-size: 13px;
        padding: 6px 14px;
    }
}

/* =============================================
   Login Form — shown when not authenticated
   ============================================= */
.tsa-login-container {
    max-width: 400px;
    margin: 60px auto;
    padding: 0 20px;
}

.tsa-login-branding {
    text-align: center;
    background: #111111;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px 12px 0 0;
    padding: 24px 28px 16px;
    margin: 0;
}

.tsa-login-logo {
    font-size: 28px;
    font-weight: 300;
    font-style: normal;
    color: var(--tsa-cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0;
}

.tsa-login-logo .tsa-logo-tm {
    font-size: 14px;
    vertical-align: super;
}

.tsa-login-form {
    background: #111111;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: none;
    border-radius: 0 0 12px 12px;
    padding: 20px 28px 32px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.8);
}

.tsa-login-field {
    margin-bottom: 20px;
}

.tsa-login-field label {
    display: block;
    color: #999999;
    font-size: 13px;
    margin-bottom: 6px;
}

.tsa-login-field input {
    width: 100%;
    background: #0a0a0a;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: #ffffff;
    font-size: 14px;
    padding: 10px 14px;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
    font-family: inherit;
}

.tsa-login-field input:focus {
    border-color: #00bfff;
    box-shadow: 0 0 0 1px #00bfff;
    outline: none;
}

.tsa-login-error {
    background: rgba(220, 20, 60, 0.1);
    border: 1px solid rgba(220, 20, 60, 0.3);
    border-radius: 8px;
    color: #ff6b8a;
    font-size: 13px;
    padding: 10px 14px;
    margin-bottom: 16px;
}

.tsa-login-btn {
    width: 100%;
    background: var(--tsa-button-color, #00bfff);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    padding: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.tsa-login-btn:hover {
    filter: brightness(1.15);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

.tsa-login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.tsa-login-forgot {
    display: block;
    text-align: center;
    margin-top: 16px;
    color: #00bfff;
    font-size: 13px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.tsa-login-forgot:hover {
    color: #33ccff;
}