/* ============================================================================
   TRECKER FIELD MODE — High-Contrast Outdoor/Tablet Stylesheet
   Supports both light and dark themes, large touch targets (48px+), landscape-optimized
   ============================================================================ */

/* --- Field Theme: Light Mode (default) --- */
.trecker-field {
    --field-bg: #ffffff;
    --field-bg-secondary: #f5f5f5;
    --field-bg-tertiary: #ebebeb;
    --field-text: #111111;
    --field-text-secondary: #444444;
    --field-text-muted: #777777;
    --field-border: #cccccc;
    --field-border-strong: #999999;
    --field-accent: #ff6b1a;
    --field-accent-hover: #e55a0a;
    --field-success: #1a8a3e;
    --field-success-bg: #d4f5e0;
    --field-warning: #b86e00;
    --field-warning-bg: #fff3d6;
    --field-error: #cc2929;
    --field-error-bg: #fde0e0;
    --field-info: #1a6fbf;
    --field-info-bg: #dbeafe;
    --field-fullpull: #b8960a;
    --field-fullpull-bg: #fff9db;
    --field-fullpull-text: #111111;
    --field-dq: #cc2929;
    --field-dnf: #666666;
    --field-dnf-text: #ffffff;
    --field-success-text: #ffffff;
    --field-error-text: #ffffff;
    --field-accent-focus: rgba(255, 107, 26, 0.2);
    --field-selection-bg: rgba(255, 107, 26, 0.06);
    --field-scanner-border: rgba(255, 255, 255, 0.8);
    --field-shadow: 0 2px 8px rgba(0,0,0,0.12);
    --field-radius: 12px;
    --field-radius-sm: 8px;
    --field-touch-min: 48px;
    --field-input-font: 1.5rem;
    --field-distance-font: 2.5rem;

    background: var(--field-bg);
    color: var(--field-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    -webkit-tap-highlight-color: transparent;
    -webkit-text-size-adjust: 100%;
}

/* --- Field Theme: Dark Mode --- */
[data-theme="dark"] .trecker-field {
    --field-bg: #1a1a1a;
    --field-bg-secondary: #242424;
    --field-bg-tertiary: #2e2e2e;
    --field-text: #f0f0f0;
    --field-text-secondary: #b8b8b8;
    --field-text-muted: #888888;
    --field-border: #3a3a3a;
    --field-border-strong: #555555;
    --field-accent: #ff8533;
    --field-accent-hover: #ff9d52;
    --field-success: #2ecc71;
    --field-success-bg: #1a4d2e;
    --field-warning: #d4a500;
    --field-warning-bg: #3d2e0a;
    --field-error: #e74c3c;
    --field-error-bg: #4d1a1a;
    --field-info: #3498db;
    --field-info-bg: #1a3a4d;
    --field-fullpull: #d4b41a;
    --field-fullpull-bg: #3a2e0a;
    --field-fullpull-text: #ffffff;
    --field-dq: #e74c3c;
    --field-dnf: #999999;
    --field-dnf-text: #ffffff;
    --field-success-text: #ffffff;
    --field-error-text: #ffffff;
    --field-accent-focus: rgba(255, 133, 51, 0.3);
    --field-selection-bg: rgba(255, 133, 51, 0.12);
    --field-scanner-border: rgba(240, 240, 240, 0.8);
    --field-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

/* --- Field Layout --- */
.field-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
}

.field-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--field-bg);
    border-bottom: 2px solid var(--field-border);
    position: sticky;
    top: 0;
    z-index: 200;
    min-height: 56px;
}

.field-topbar-back {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 2px solid var(--field-border);
    border-radius: var(--field-radius-sm);
    background: var(--field-bg);
    color: var(--field-text);
    font-size: 1.25rem;
    cursor: pointer;
    flex-shrink: 0;
}
.field-topbar-back:active {
    background: var(--field-bg-tertiary);
}

.field-topbar-info {
    flex: 1;
    min-width: 0;
}
.field-topbar-event {
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.field-topbar-class {
    font-size: 0.8125rem;
    color: var(--field-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.field-connection {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--field-text-muted);
}
.field-connection-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}
.field-connection-dot.connected { background: var(--field-success); }
.field-connection-dot.reconnecting { background: var(--field-warning); animation: field-pulse 1.5s infinite; }
.field-connection-dot.offline { background: var(--field-error); }

.field-sync-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--field-warning-bg);
    color: var(--field-warning);
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 700;
}

.field-content {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* --- Field Home Tiles (2x2 grid) --- */
.field-tiles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
    height: calc(100dvh - 90px);
    align-content: center;
}

.field-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px 16px;
    background: var(--field-bg);
    border: 3px solid var(--field-border);
    border-radius: var(--field-radius);
    box-shadow: var(--field-shadow);
    cursor: pointer;
    text-decoration: none;
    color: var(--field-text);
    transition: transform 0.1s, border-color 0.15s;
    min-height: 140px;
    user-select: none;
}
.field-tile:active {
    transform: scale(0.97);
    border-color: var(--field-accent);
}
.field-tile-icon {
    font-size: 2.5rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--field-accent);
}
.field-tile-label {
    font-size: 1.125rem;
    font-weight: 700;
    text-align: center;
}
.field-tile-count {
    font-size: 0.875rem;
    color: var(--field-text-secondary);
    font-weight: 600;
}

/* tile accent colors */
.field-tile--checkin { border-left: 6px solid var(--field-info); }
.field-tile--inspection { border-left: 6px solid var(--field-warning); }
.field-tile--startlist { border-left: 6px solid var(--field-text-muted); }
.field-tile--results { border-left: 6px solid var(--field-accent); }

/* --- Field Cards --- */
.field-card {
    background: var(--field-bg);
    border: 2px solid var(--field-border);
    border-radius: 12px;
    box-shadow: var(--field-shadow);
    overflow: hidden;
}
.field-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 2px solid var(--field-border);
    background: var(--field-bg-secondary);
    font-weight: 700;
    font-size: 1rem;
}
.field-card-body {
    padding: 16px;
}

/* --- Field Buttons --- */
.field-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: var(--field-touch-min);
    min-width: var(--field-touch-min);
    padding: 12px 24px;
    border: 2px solid transparent;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
    transition: transform 0.1s;
    text-decoration: none;
    line-height: 1.2;
}
.field-btn:active { transform: scale(0.97); }
.field-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.field-btn-primary {
    background: var(--field-accent);
    color: #ffffff;
    border-color: var(--field-accent);
}
.field-btn-primary:active:not(:disabled) { background: var(--field-accent-hover); }

.field-btn-secondary {
    background: var(--field-bg);
    color: var(--field-text);
    border-color: var(--field-border-strong);
}
.field-btn-secondary:active:not(:disabled) { background: var(--field-bg-tertiary); }

.field-btn-success {
    background: var(--field-success);
    color: #ffffff;
    border-color: var(--field-success);
}

.field-btn-danger {
    background: var(--field-error);
    color: #ffffff;
    border-color: var(--field-error);
}

.field-btn-warning {
    background: var(--field-warning);
    color: #ffffff;
    border-color: var(--field-warning);
}

.field-btn-fullpull {
    background: var(--field-fullpull);
    color: var(--field-fullpull-text);
    border-color: var(--field-fullpull);
    font-size: 1.125rem;
}

.field-btn-dnf {
    background: var(--field-dnf);
    color: var(--field-dnf-text);
    border-color: var(--field-dnf);
}

.field-btn-lg {
    min-height: 56px;
    padding: 14px 32px;
    font-size: 1.125rem;
}

.field-btn-xl {
    min-height: 64px;
    padding: 16px 40px;
    font-size: 1.25rem;
    border-radius: var(--field-radius);
}

.field-btn-block {
    width: 100%;
}

/* --- Field Inputs --- */
.field-input {
    display: block;
    width: 100%;
    min-height: var(--field-touch-min);
    padding: 10px 14px;
    font-size: var(--field-input-font);
    font-weight: 600;
    color: var(--field-text);
    background: var(--field-bg);
    border: 2px solid var(--field-border-strong);
    border-radius: var(--field-radius-sm);
    outline: none;
    transition: border-color 0.15s;
}
.field-input:focus {
    border-color: var(--field-accent);
    box-shadow: 0 0 0 3px var(--field-accent-focus);
}
.field-input::placeholder {
    color: var(--field-text-muted);
    font-weight: 400;
}

.field-input-distance {
    font-size: var(--field-distance-font);
    text-align: center;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
    padding: 16px;
    min-height: 80px;
}

.field-input-unit {
    display: flex;
    align-items: center;
    gap: 8px;
}
.field-input-unit .field-input {
    flex: 1;
}
.field-input-unit-label {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--field-text-secondary);
    flex-shrink: 0;
}

.field-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--field-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.field-form-group {
    margin-bottom: 16px;
}

/* --- Field Search --- */
.field-search {
    position: relative;
}
.field-search .field-input {
    padding-left: 44px;
}
.field-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--field-text-muted);
    font-size: 1.125rem;
    pointer-events: none;
}

/* --- Field List Items --- */
.field-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--field-bg);
    border: 2px solid var(--field-border);
    border-radius: var(--field-radius-sm);
    cursor: pointer;
    user-select: none;
    min-height: var(--field-touch-min);
    transition: border-color 0.15s;
}
.field-list-item:active {
    border-color: var(--field-accent);
    background: var(--field-bg-secondary);
}
.field-list-item.selected {
    border-color: var(--field-accent);
    background: var(--field-selection-bg);
}

.field-list-item-info {
    flex: 1;
    min-width: 0;
}
.field-list-item-title {
    font-weight: 700;
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.field-list-item-subtitle {
    font-size: 0.8125rem;
    color: var(--field-text-secondary);
}

.field-list-item-badge {
    flex-shrink: 0;
}

.field-list-item-position {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--field-bg-tertiary);
    font-weight: 800;
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* --- Field Badges --- */
.field-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}
.field-badge-success { background: var(--field-success-bg); color: var(--field-success); }
.field-badge-warning { background: var(--field-warning-bg); color: var(--field-warning); }
.field-badge-error { background: var(--field-error-bg); color: var(--field-error); }
.field-badge-info { background: var(--field-info-bg); color: var(--field-info); }
.field-badge-fullpull { background: var(--field-fullpull-bg); color: var(--field-fullpull); }
.field-badge-neutral { background: var(--field-bg-tertiary); color: var(--field-text-secondary); }

/* --- Field Inspection Checklist --- */
.field-checklist {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field-check-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--field-bg);
    border: 2px solid var(--field-border);
    border-radius: var(--field-radius-sm);
    cursor: pointer;
    user-select: none;
    min-height: var(--field-touch-min);
    transition: border-color 0.15s, background 0.15s;
}
.field-check-item:active {
    background: var(--field-bg-secondary);
}
.field-check-item.checked {
    border-color: var(--field-success);
    background: var(--field-success-bg);
}
.field-check-item.failed {
    border-color: var(--field-error);
    background: var(--field-error-bg);
}

.field-check-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--field-radius-sm);
    border: 3px solid var(--field-border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    background: var(--field-bg);
    transition: all 0.15s;
}
.field-check-item.checked .field-check-toggle {
    background: var(--field-success);
    border-color: var(--field-success);
    color: var(--field-success-text);
}
.field-check-item.failed .field-check-toggle {
    background: var(--field-error);
    border-color: var(--field-error);
    color: var(--field-error-text);
}

.field-check-label {
    font-weight: 600;
    font-size: 1rem;
    flex: 1;
}

/* --- Field Result Entry (Current Driver) --- */
.field-current-driver {
    text-align: center;
    padding: 16px;
    background: var(--field-bg-secondary);
    border: 2px solid var(--field-border);
    border-radius: var(--field-radius);
    margin-bottom: 16px;
}
.field-current-driver-position {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--field-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.field-current-driver-name {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 4px 0;
}
.field-current-driver-tractor {
    font-size: 1rem;
    color: var(--field-text-secondary);
}

.field-result-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-top: 16px;
}

.field-save-next {
    margin-top: 20px;
}

/* --- Field QR Scanner --- */
.field-scanner-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    aspect-ratio: 1;
    border-radius: var(--field-radius);
    overflow: hidden;
    border: 3px solid var(--field-border);
}

.field-scanner-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.field-scanner-crosshair {
    width: 60%;
    height: 60%;
    border: 3px solid var(--field-scanner-border);
    border-radius: 12px;
}

.field-scan-result {
    padding: 24px;
    text-align: center;
    border-radius: var(--field-radius);
    margin: 16px 0;
}
.field-scan-result.success {
    background: var(--field-success-bg);
    border: 3px solid var(--field-success);
}
.field-scan-result.error {
    background: var(--field-error-bg);
    border: 3px solid var(--field-error);
}
.field-scan-result-icon {
    font-size: 3rem;
    margin-bottom: 8px;
}
.field-scan-result-name {
    font-size: 1.25rem;
    font-weight: 800;
}
.field-scan-result-detail {
    font-size: 0.9375rem;
    color: var(--field-text-secondary);
    margin-top: 4px;
}

/* --- Field Alerts --- */
.field-alert {
    padding: 12px 16px;
    border-radius: var(--field-radius-sm);
    border: 2px solid;
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 12px;
}
.field-alert-success { background: var(--field-success-bg); border-color: var(--field-success); color: var(--field-success); }
.field-alert-warning { background: var(--field-warning-bg); border-color: var(--field-warning); color: var(--field-warning); }
.field-alert-error { background: var(--field-error-bg); border-color: var(--field-error); color: var(--field-error); }
.field-alert-info { background: var(--field-info-bg); border-color: var(--field-info); color: var(--field-info); }

/* --- Field Confirm Dialog --- */
.field-confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 400;
    padding: 24px;
}
.field-confirm-box {
    background: var(--field-bg);
    border-radius: var(--field-radius);
    padding: 24px;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.field-confirm-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 8px;
}
.field-confirm-message {
    font-size: 1rem;
    color: var(--field-text-secondary);
    margin-bottom: 20px;
}
.field-confirm-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* --- Field Tabs (for switching scanner/search) --- */
.field-tabs {
    display: flex;
    border: 2px solid var(--field-border);
    border-radius: var(--field-radius-sm);
    overflow: hidden;
    margin-bottom: 16px;
}
.field-tab {
    flex: 1;
    padding: 12px 16px;
    text-align: center;
    font-weight: 700;
    font-size: 0.9375rem;
    cursor: pointer;
    background: var(--field-bg);
    color: var(--field-text-secondary);
    border: none;
    min-height: var(--field-touch-min);
    user-select: none;
    transition: background 0.15s, color 0.15s;
}
.field-tab:not(:last-child) {
    border-right: 2px solid var(--field-border);
}
.field-tab.active {
    background: var(--field-accent);
    color: var(--field-bg);
}
.field-tab:active:not(.active) {
    background: var(--field-bg-tertiary);
}

/* --- Field Stats Row --- */
.field-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}
.field-stat {
    text-align: center;
    padding: 10px;
    background: var(--field-bg-secondary);
    border-radius: var(--field-radius-sm);
    border: 1px solid var(--field-border);
}
.field-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
}
.field-stat-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--field-text-muted);
}

/* --- Field Empty State --- */
.field-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--field-text-muted);
}
.field-empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}
.field-empty-text {
    font-size: 1.125rem;
    font-weight: 600;
}

/* --- Field Loading --- */
.field-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 48px;
    color: var(--field-text-muted);
    font-weight: 600;
}

.field-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--field-border);
    border-top-color: var(--field-accent);
    border-radius: 50%;
    animation: field-spin 0.8s linear infinite;
}

/* --- Field Class Selector --- */
.field-class-selector {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 12px;
    -webkit-overflow-scrolling: touch;
}
.field-class-chip {
    padding: 8px 16px;
    border: 2px solid var(--field-border);
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.875rem;
    white-space: nowrap;
    cursor: pointer;
    min-height: var(--field-touch-min);
    display: flex;
    align-items: center;
    background: var(--field-bg);
    user-select: none;
}
.field-class-chip.active {
    background: var(--field-accent);
    color: var(--field-bg);
    border-color: var(--field-accent);
}
.field-class-chip:active:not(.active) {
    background: var(--field-bg-tertiary);
}

/* --- Animations --- */
@keyframes field-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
@keyframes field-spin {
    to { transform: rotate(360deg); }
}
@keyframes field-flash-green {
    0% { background: var(--field-success-bg); }
    100% { background: var(--field-bg); }
}
@keyframes field-flash-red {
    0% { background: var(--field-error-bg); }
    100% { background: var(--field-bg); }
}
.field-flash-success { animation: field-flash-green 1.5s ease-out; }
.field-flash-error { animation: field-flash-red 1.5s ease-out; }

/* --- Landscape Tablet Optimization --- */
@media (min-width: 768px) and (orientation: landscape) {
    .field-tiles {
        max-width: 800px;
        gap: 20px;
    }
    .field-tile {
        min-height: 160px;
        gap: 16px;
    }
    .field-tile-icon { font-size: 3rem; }
    .field-tile-label { font-size: 1.25rem; }

    .field-split {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        align-items: start;
    }

    .field-result-actions {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

/* --- Large screens --- */
@media (min-width: 1024px) {
    .field-content {
        max-width: 900px;
        margin: 0 auto;
        padding: 24px;
    }
    .field-tiles {
        max-width: 700px;
    }
}

/* --- Small phones --- */
@media (max-width: 380px) {
    .field-topbar { padding: 6px 10px; }
    .field-content { padding: 10px; }
    .field-tiles { gap: 10px; }
    .field-tile { padding: 16px 10px; min-height: 120px; }
    .field-tile-icon { font-size: 2rem; }
    .field-tile-label { font-size: 1rem; }
    .field-input-distance { font-size: 2rem; min-height: 64px; }
    .field-btn-xl { min-height: 56px; font-size: 1.1rem; }
}

/* ===== Field Results Modal (Lightweight popup) ===== */
.field-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: field-modal-fade-in 0.15s ease;
}

@keyframes field-modal-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.field-modal {
    position: relative;
    width: 95%;
    max-width: 600px;
    height: 95%;
    max-height: 90vh;
    background: var(--field-bg);
    border: 2px solid var(--field-border);
    border-radius: var(--field-radius);
    display: flex;
    flex-direction: column;
    box-shadow: var(--field-shadow);
    animation: field-modal-scale-in 0.2s ease;
    z-index: 501;
}

@keyframes field-modal-scale-in {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.field-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 20px;
    border-bottom: 2px solid var(--field-border);
    background: var(--field-bg-secondary);
    flex-shrink: 0;
}

.field-modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--field-text);
    margin: 0;
    line-height: 1.3;
}

.field-modal-subtitle {
    font-size: 0.875rem;
    color: var(--field-text-secondary);
    margin: 4px 0 0;
    line-height: 1.3;
}

.field-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--field-bg);
    border: 2px solid var(--field-border);
    border-radius: var(--field-radius-sm);
    font-size: 1.5rem;
    color: var(--field-text);
    cursor: pointer;
    padding: 0;
    transition: all 0.15s;
}

.field-modal-close:active {
    transform: scale(0.95);
    background: var(--field-bg-tertiary);
}

.field-modal-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    -webkit-overflow-scrolling: touch;
}

.field-modal-footer {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-top: 2px solid var(--field-border);
    background: var(--field-bg-secondary);
    flex-shrink: 0;
}

.field-modal-footer .field-btn {
    flex: 1;
    min-height: 48px;
}

/* Responsive adjustments for modal */
@media (max-width: 768px) {
    .field-modal {
        width: 95%;
        height: 95%;
        max-width: 100%;
        max-height: 95vh;
        border-radius: var(--field-radius);
    }
}

@media (max-width: 480px) {
    .field-modal {
        width: 95%;
        height: 95%;
        max-height: 95vh;
        border-radius: var(--field-radius-sm);
    }

    .field-modal-header {
        padding: 16px;
        gap: 12px;
    }

    .field-modal-title {
        font-size: 1.1rem;
    }

    .field-modal-subtitle {
        font-size: 0.8rem;
    }

    .field-modal-close {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 1.25rem;
    }

    .field-modal-content {
        padding: 16px;
        gap: 16px;
    }

    .field-modal-footer {
        padding: 12px 16px;
        flex-direction: column;
        gap: 8px;
    }

    .field-modal-footer .field-btn {
        width: 100%;
        min-height: 44px;
        font-size: 1rem;
    }

    .field-form-group {
        gap: 8px;
    }

    .field-label {
        font-size: 0.875rem;
    }

    .field-input-distance {
        font-size: 1.75rem;
        min-height: 64px;
        padding: 12px;
    }

    .field-input-unit-label {
        font-size: 1rem;
    }

    .field-result-actions {
        gap: 8px;
    }

    .field-btn-lg {
        min-height: 48px;
        padding: 12px 16px;
        font-size: 1rem;
    }
}

/* Done state styling */
.field-list-item--done {
    opacity: 0.6;
}

/* --- Print (hide field UI) --- */
@media print {
    .field-topbar,
    .field-connection { display: none; }
    .field-content { padding: 0; }
}