/* ===== RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #004f9f;
    --primary-dark: #003b78;
    --danger: #d93025;
    --danger-dark: #a50e0e;
    --success: #188038;
    --bg: #f8f9fa;
    --surface: #ffffff;
    --text: #202124;
    --text-secondary: #949ba4;
    --border: #dadce0;
    --shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-lg: 12px;

    /* Turning movement colors */
    --color-left: #4285f4;
    --color-straight: #34a853;
    --color-right: #ea4335;
    --color-uturn: #fbbc04;
}

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== SCREENS ===== */
.screen {
    display: none;
    min-height: 100vh;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

/* ===== HEADER ===== */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--primary);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.app-header h1 {
    font-size: 1.2rem;
    font-weight: 600;
}

.btn-icon {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.4rem;
    padding: 8px;
    cursor: pointer;
    border-radius: 50%;
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:active {
    background: rgba(255,255,255,0.2);
}

.header-actions {
    display: flex;
    gap: 4px;
    align-items: center;
}

.lang-switcher {
    display: flex;
    gap: 2px;
    background: rgba(255,255,255,0.15);
    border-radius: 20px;
    padding: 2px;
}

.lang-btn {
    background: none;
    border: none;
    font-size: 1.1rem;
    padding: 4px 8px;
    border-radius: 16px;
    cursor: pointer;
    opacity: 0.55;
    transition: opacity 0.15s, background 0.15s;
    line-height: 1;
}

.lang-btn.active {
    opacity: 1;
    background: rgba(255,255,255,0.25);
}

.lang-btn:active {
    transform: scale(0.92);
}

/* ===== SETUP FORM ===== */
.setup-form {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group select {
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    background: var(--surface);
    color: var(--text);
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

#approach-inputs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#approach-inputs input {
    padding: 10px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
}

#approach-inputs input:focus {
    outline: none;
    border-color: var(--primary);
}

/* ===== TOGGLE GROUP ===== */
.toggle-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.toggle {
    display: flex;
    cursor: pointer;
}

.toggle input {
    display: none;
}

.toggle span {
    padding: 8px 16px;
    border: 2px solid var(--border);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    background: var(--surface);
    transition: all 0.15s;
    user-select: none;
}

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

.toggle span:active {
    transform: scale(0.95);
}

/* ===== BUTTONS ===== */
.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

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

.btn-primary:active {
    transform: scale(0.98);
}

.btn-large {
    padding: 16px 24px;
    margin-top: 8px;
}

/* ===== COUNTING SCREEN ===== */
.count-header {
    background: var(--primary);
    color: white;
    padding: 10px 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.timer-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    padding-bottom: 8px;
}

#timer-remaining {
    font-size: 1.3rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.progress-bar {
    height: 4px;
    background: rgba(255,255,255,0.3);
    border-radius: 2px;
    overflow: hidden;
}

#progress-fill {
    height: 100%;
    background: white;
    border-radius: 2px;
    transition: width 1s linear;
    width: 0%;
}

/* ===== APPROACH TABS ===== */
.approach-tabs {
    display: flex;
    background: var(--surface);
    border-bottom: 2px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    position: sticky;
    top: 54px;
    z-index: 99;
}

.approach-tab {
    flex: 1;
    min-width: 0;
    padding: 12px 8px;
    border: none;
    background: none;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    text-align: center;
    transition: all 0.15s;
}

.approach-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.approach-tab .tab-count {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    margin-top: 2px;
}

/* ===== COUNT GRID ===== */
.count-grid {
    flex: 1;
    padding: 8px;
    overflow-y: auto;
    padding-bottom: 80px;
}

.direction-section {
    margin-bottom: 12px;
}

.direction-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: white;
    border-radius: var(--radius) var(--radius) 0 0;
}

.direction-header.left { background: var(--color-left); }
.direction-header.straight { background: var(--color-straight); }
.direction-header.right { background: var(--color-right); }
.direction-header.uturn { background: var(--color-uturn); color: var(--text); }
.direction-header.crossing { background: #9c27b0; }

.direction-header .arrow {
    font-size: 1.1rem;
}

.vehicle-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 6px;
    padding: 8px;
    background: var(--surface);
    border-radius: 0 0 var(--radius) var(--radius);
    border: 1px solid var(--border);
    border-top: none;
}

.count-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 4px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    cursor: pointer;
    min-height: 64px;
    min-width: 64px;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    transition: transform 0.1s, box-shadow 0.1s;
}

.count-btn:active {
    transform: scale(0.93);
    box-shadow: var(--shadow);
}

.count-btn .vehicle-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    text-align: center;
    line-height: 1.1;
}

.count-btn .count-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.count-btn.has-count {
    border-color: var(--primary);
    background: #e0eaf5;
}

/* ===== COUNT FOOTER ===== */
.count-footer {
    display: flex;
    gap: 6px;
    padding: 10px 12px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
}

.btn-footer {
    flex: 1;
    padding: 12px 6px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    background: #e8eaed;
    color: var(--text);
    min-height: 48px;
    touch-action: manipulation;
}

.btn-footer:active {
    transform: scale(0.95);
}

.btn-footer.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-footer.paused {
    background: var(--success);
    color: white;
}

/* ===== RESULTS SCREEN ===== */
.results-info {
    padding: 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.results-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.results-info .site-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.results-view-tabs {
    display: flex;
    background: var(--surface);
    border-bottom: 2px solid var(--border);
}

.results-tab {
    flex: 1;
    padding: 12px;
    border: none;
    background: none;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.results-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.results-content {
    padding: 12px;
    overflow-x: auto;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    min-width: 500px;
}

.results-table th,
.results-table td {
    padding: 8px 6px;
    text-align: center;
    border: 1px solid var(--border);
}

.results-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
    position: sticky;
    top: 0;
}

.results-table tbody tr:nth-child(even) {
    background: #f1f3f4;
}

.results-table .total-row {
    font-weight: 700;
    background: #e0eaf5 !important;
}

/* ===== HISTORY ===== */
.history-list {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: box-shadow 0.15s;
}

.history-item:active {
    box-shadow: var(--shadow);
}

.history-item-info h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.history-item-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.history-item-actions {
    display: flex;
    gap: 8px;
}

.btn-delete-session {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-delete-session:active {
    background: rgba(217, 48, 37, 0.1);
}

.merge-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: #e0eaf5;
    border-bottom: 1px solid var(--border);
}

.merge-bar span {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.merge-bar .btn-primary {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.merge-bar .btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.history-actions {
    padding: 8px 12px;
    display: flex;
    gap: 8px;
}

.history-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    margin-right: 8px;
    flex-shrink: 0;
}

.empty-state {
    text-align: center;
    padding: 48px 16px;
    color: var(--text-secondary);
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.modal-header h2 {
    font-size: 1.1rem;
}

#summary-body {
    padding: 16px;
}

.summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.summary-card {
    padding: 12px;
    background: #f1f3f4;
    border-radius: var(--radius);
    text-align: center;
}

.summary-card .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

.summary-card .value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
}

/* ===== MODE SELECTOR ===== */
.mode-selector {
    display: flex;
    background: var(--surface);
    border-bottom: 2px solid var(--border);
}

.mode-tab {
    flex: 1;
    padding: 14px 8px;
    border: none;
    background: none;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.15s;
}

.mode-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ===== PT SETUP ===== */
.pt-lines-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.pt-line-chip {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: var(--primary);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pt-line-chip button {
    background: none;
    border: none;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    padding: 0 2px;
    opacity: 0.7;
}

.pt-line-chip button:hover { opacity: 1; }

.pt-line-add {
    display: flex;
    gap: 8px;
}

.pt-line-add input {
    flex: 1;
    padding: 10px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
}

.pt-line-add input:focus {
    outline: none;
    border-color: var(--primary);
}

.pt-line-add .btn-primary {
    padding: 10px 20px;
}

/* ===== PT COUNTING SCREEN ===== */
.pt-stop-label {
    text-align: center;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.pt-line-selector {
    padding: 16px;
}

.pt-prompt {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 12px;
    text-align: center;
}

.pt-line-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
}

.pt-line-btn {
    padding: 20px 12px;
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    background: var(--surface);
    color: var(--primary);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    transition: all 0.15s;
}

.pt-line-btn:active {
    background: var(--primary);
    color: white;
    transform: scale(0.95);
}

/* PT Counter */
.pt-counter {
    padding: 16px;
    padding-bottom: 8px;
}

.pt-current-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.pt-current-line span {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.btn-small {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    font-size: 0.85rem;
    cursor: pointer;
}

.btn-small:active { background: #f1f3f4; }

.pt-count-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.pt-count-col {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pt-minus-btn {
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #f3f4f6;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    touch-action: manipulation;
}

.pt-minus-btn:active {
    background: #e5e7eb;
    transform: scale(0.95);
}

.pt-big-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 12px;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    min-height: 120px;
    touch-action: manipulation;
    transition: transform 0.1s;
    user-select: none;
    -webkit-user-select: none;
}

.pt-big-btn:active {
    transform: scale(0.95);
}

.pt-big-btn.boarding {
    background: #188038;
    color: white;
}

.pt-big-btn.alighting {
    background: #d93025;
    color: white;
}

.pt-btn-label {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.pt-btn-count {
    font-size: 2.5rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.pt-input-toggle {
    text-align: center;
    margin-bottom: 12px;
}

.pt-number-input {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.pt-num-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pt-num-field label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.pt-num-field input {
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1.3rem;
    font-weight: 700;
    text-align: center;
    width: 100%;
}

.pt-num-field input:focus {
    outline: none;
    border-color: var(--primary);
}

/* PT Vehicle Log */
.pt-vehicle-log {
    padding: 8px 16px;
    padding-bottom: 80px;
}

.pt-log-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.pt-log-entry {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 6px;
    font-size: 0.85rem;
}

.pt-log-entry .log-line {
    font-weight: 700;
    color: var(--primary);
    min-width: 60px;
}

.pt-log-entry .log-time {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.pt-log-entry .log-counts {
    display: flex;
    gap: 12px;
}

.pt-log-entry .log-board {
    color: #188038;
    font-weight: 600;
}

.pt-log-entry .log-alight {
    color: #d93025;
    font-weight: 600;
}

.pt-log-entry .log-delete {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 4px;
}

/* ===== ANALYSIS CARDS ===== */
.results-analysis {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.analysis-card {
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
}

.analysis-card .analysis-title {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.analysis-card .analysis-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.analysis-card .analysis-detail {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.analysis-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

/* Directional split */
.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
}

.split-card {
    padding: 10px 12px;
    background: #f1f3f4;
    border-radius: var(--radius);
}

.split-card .split-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.split-card .split-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
}

.split-card .split-pct {
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
}

.split-movements {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 4px;
    line-height: 1.3;
}

/* Turning diagram */
.diagram-container {
    display: flex;
    justify-content: center;
    padding: 16px 8px;
    overflow: auto;
}

.diagram-container svg {
    max-width: 100%;
    height: auto;
}

/* ===== MERGE FILES ===== */
.file-drop-area {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    background: #f9fafb;
    cursor: pointer;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: border-color 0.15s;
}

.file-drop-area:active,
.file-drop-area.dragover {
    border-color: var(--primary);
    background: #e0eaf5;
}

.file-drop-area input[type="file"] {
    display: none;
}

.merge-file-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.merge-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
}

.merge-file-item .file-name {
    font-weight: 600;
    color: var(--text);
}

.merge-file-item .file-info {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.merge-file-item button {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px 8px;
}

/* ===== TOGGLE INLINE ===== */
.toggle-inline {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 0;
}

.toggle-inline input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* ===== HINT TEXT ===== */
.hint-text {
    font-size: 0.7rem;
    color: #6b7280;
    line-height: 1.4;
    padding: 10px 20px 0;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.hint-text-counting {
    font-size: 0.65rem;
    color: #9ca3af;
    line-height: 1.3;
    padding: 6px 16px;
    text-align: center;
    background: #f9fafb;
    border-bottom: 1px solid var(--border);
}

/* ===== FOOTER ===== */
.app-footer {
    text-align: center;
    padding: 24px 16px 16px;
    font-size: 0.75rem;
    color: #4a4a4a;
}

/* ===== UTILITIES ===== */
.flash {
    animation: flash 0.15s ease-out;
}

@keyframes flash {
    0% { background-color: var(--primary); color: white; }
    100% {}
}

/* ===== RESPONSIVE ===== */
@media (min-width: 768px) {
    .vehicle-buttons {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .count-btn {
        min-height: 72px;
        padding: 12px 6px;
    }

    .count-btn .count-value {
        font-size: 1.6rem;
    }
}