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

.hidden {
    display: none !important;
}

:root {
    --bg-dark: #1a1a1a;
    --bg-card: #2d2d2d;
    --bg-active: #3d5a3d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-green: #4ade80;
    --accent-yellow: #fbbf24;
    --accent-red: #ef4444;
    --accent-blue: #3b82f6;
    --border-color: #404040;
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.4;
    min-height: 100vh;
    -webkit-tap-highlight-color: transparent;
}

#app {
    max-width: 100%;
    min-height: 100vh;
}

.screen {
    display: none;
    padding: 12px;
    min-height: 100vh;
}

.screen.active {
    display: block;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.header.compact {
    flex-wrap: wrap;
}

.header h2 {
    flex: 1;
    font-size: 1.2rem;
    font-weight: 600;
}

.header h2.editable-title {
    cursor: pointer;
    padding: 4px 8px;
    margin: -4px -8px;
    border-radius: 4px;
}

.header h2.editable-title:active {
    background: var(--bg-card);
}

.timer {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--accent-yellow);
    background: var(--bg-card);
    padding: 4px 8px;
    border-radius: 4px;
}

/* Buttons */
button {
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    padding: 12px 16px;
    transition: opacity 0.2s;
}

button:active {
    opacity: 0.8;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-success {
    background: var(--accent-green);
    color: black;
}

.btn-back {
    background: transparent;
    color: var(--accent-blue);
    padding: 8px 0;
}

.btn-large {
    font-size: 1.3rem;
    padding: 16px 32px;
    width: 100%;
}

.btn-small {
    font-size: 0.85rem;
    padding: 8px 12px;
}

/* Home Screen */
.home-content {
    max-width: 500px;
    margin: 0 auto;
    padding-top: 20px;
}

.home-content h1 {
    font-size: 2rem;
    margin-bottom: 16px;
    text-align: center;
}

.description {
    color: var(--text-secondary);
    margin-bottom: 16px;
    text-align: center;
}

.features {
    list-style: none;
    margin-bottom: 24px;
    background: var(--bg-card);
    padding: 16px;
    border-radius: 8px;
}

.features li {
    padding: 6px 0;
    color: var(--text-secondary);
}

#existing-rallies {
    margin-top: 24px;
}

.data-actions {
    display: flex;
    gap: 8px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.rally-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.rally-card:active {
    background: #3a3a3a;
}

.rally-card .rally-info h3 {
    font-size: 1rem;
}

.rally-card .rally-info span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.rally-card .delete-rally {
    background: transparent;
    color: var(--accent-red);
    padding: 8px;
    font-size: 1.2rem;
}

/* Forms */
.form-content {
    max-width: 500px;
    margin: 0 auto;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-secondary);
}

input, textarea {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* Car Inputs */
.car-inputs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.car-input-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.car-input-row input {
    margin-bottom: 0;
}

.car-input-row .car-num-input {
    width: 70px;
    flex-shrink: 0;
}

.car-input-row .car-name-input {
    flex: 1;
}

.car-input-row .remove-car-btn {
    background: transparent;
    color: var(--accent-red);
    padding: 8px;
    font-size: 1.2rem;
    min-width: 36px;
}

#add-car-btn {
    margin-bottom: 16px;
}

/* Car Selection */
.car-selection-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.car-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 8px;
    margin-bottom: 16px;
}

.car-checkbox {
    display: none;
}

.car-label {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
}

.car-checkbox:checked + .car-label {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.car-checkbox:disabled + .car-label {
    opacity: 0.6;
    cursor: not-allowed;
}

.car-label.has-times {
    border-style: dashed;
}

/* Dashboard */
.dashboard-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.dashboard-actions button {
    flex: 1;
    min-width: 80px;
}

.btn-new-stage {
    width: 100%;
    margin-top: 16px;
}

.stage-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
    cursor: pointer;
}

.stage-card:active {
    background: #3a3a3a;
}

.stage-card h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.stage-card .stage-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stage-card.active-stage {
    border-color: var(--accent-green);
    border-width: 2px;
}

/* Stage Actions */
.stage-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

/* Cars Timing Grid */
.cars-timing-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.car-timing-row {
    display: grid;
    grid-template-columns: minmax(60px, auto) 1fr 1fr 1fr;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px;
    align-items: center;
}

.car-timing-row.active {
    background: var(--bg-active);
    border-color: var(--accent-green);
    border-width: 2px;
}

.car-info {
    display: flex;
    flex-direction: column;
    text-align: left;
    padding-left: 4px;
    overflow: hidden;
}

.car-number {
    font-weight: bold;
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.car-name {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-variant: small-caps;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.timing-btn {
    padding: 10px 4px;
    font-size: 0.75rem;
    text-align: center;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.timing-btn .time {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.7rem;
}

.timing-btn.start-btn {
    background: var(--accent-blue);
    color: white;
}

.timing-btn.pass-btn {
    background: var(--accent-yellow);
    color: black;
}

.timing-btn.finish-btn {
    background: var(--accent-green);
    color: black;
}

.timing-btn.recorded {
    opacity: 0.7;
}

.timing-btn.recorded .time {
    font-weight: bold;
}

.timing-btn.unrecorded {
    opacity: 0.4;
}

/* Log Screen */
.log-content {
    font-size: 0.9rem;
}

.log-stage {
    margin-bottom: 20px;
}

.log-stage h3 {
    background: var(--bg-card);
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 1rem;
}

.log-event {
    display: flex;
    gap: 12px;
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-color);
}

.log-event .log-time {
    font-family: 'SF Mono', Monaco, monospace;
    color: var(--text-secondary);
    min-width: 70px;
}

.log-event .log-desc {
    flex: 1;
}

.log-event.note {
    background: rgba(251, 191, 36, 0.1);
}

.log-event.note .log-desc {
    color: var(--accent-yellow);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
}

.modal-content h3 {
    margin-bottom: 12px;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.modal-small {
    max-width: 320px;
    text-align: center;
}

.modal-small .modal-actions {
    justify-content: center;
}

.modal-content textarea {
    margin-bottom: 12px;
}

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

.modal-actions button {
    flex: 1;
}

/* Time Input */
.time-input-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.time-input-row input {
    width: 70px;
    text-align: center;
    font-size: 1.2rem;
    font-family: 'SF Mono', Monaco, monospace;
    margin-bottom: 0;
    padding: 14px 8px;
    -moz-appearance: textfield;
}

.time-input-row input::-webkit-outer-spin-button,
.time-input-row input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.time-input-row span {
    font-size: 1.5rem;
    font-weight: bold;
}

/* Stage Notes */
.stage-notes {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.stage-notes h4 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

#stage-notes-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.note-item {
    display: flex;
    gap: 10px;
    padding: 8px 10px;
    background: var(--bg-card);
    border-radius: 6px;
    cursor: pointer;
    align-items: flex-start;
}

.note-item:active {
    background: #3a3a3a;
}

.note-item .note-time {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.note-item .note-content {
    flex: 1;
    font-size: 0.9rem;
    color: var(--accent-yellow);
}

.no-notes {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-style: italic;
}

/* Responsive adjustments */
@media (min-width: 768px) {
    .screen {
        padding: 20px;
    }

    .car-timing-row {
        grid-template-columns: minmax(100px, auto) 1fr 1fr 1fr;
        padding: 10px;
    }

    .car-number {
        font-size: 1rem;
    }

    .car-name {
        font-size: 0.75rem;
    }

    .timing-btn {
        padding: 12px 8px;
        font-size: 0.85rem;
    }

    .timing-btn .time {
        font-size: 0.8rem;
    }
}

/* High contrast for outdoor */
@media (prefers-contrast: more) {
    :root {
        --bg-dark: #000000;
        --bg-card: #1a1a1a;
        --text-primary: #ffffff;
        --border-color: #666666;
    }
}

/* No scrollbar on timing grid */
.cars-timing-grid {
    max-height: calc(100vh - 180px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Ensure buttons don't shrink */
.timing-btn {
    min-height: 50px;
}