/**
 * Checklist Charlie - High Contrast Professional UI
 * Designed for cockpit use - maximum readability
 */

/* Base styles */
:root {
    --touch-target-min: 48px;
    --font-scale: 1;
    --header-height: 70px;

    /* Light mode (day) */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-header: #e0e0e0;
    --text-primary: #000000;
    --text-secondary: #333333;
    --border-color: #000000;
    --status-good: #000000;
    --status-problem: #cc0000;
    --status-skip: #666666;
}

.dark {
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --bg-header: #222222;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --border-color: #ffffff;
    --status-good: #ffffff;
    --status-problem: #ff4444;
    --status-skip: #888888;
}

/* Night/Red Mode - preserves night vision */
.night-mode {
    --bg-primary: #000000;
    --bg-secondary: #0a0000;
    --bg-header: #1a0000;
    --text-primary: #ff0000;
    --text-secondary: #cc0000;
    --border-color: #660000;
    --status-good: #ff0000;
    --status-problem: #ff0000;
    --status-skip: #880000;
}

/* Night mode - force black/red everywhere */
.night-mode,
.night-mode * {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.night-mode .section-header,
.night-mode .app-header {
    background-color: var(--bg-header) !important;
}

.night-mode .checklist-item:active,
.night-mode .checklist-card:active,
.night-mode .checklist-item.problem {
    background-color: var(--bg-secondary) !important;
}

.night-mode .status-box.good {
    background-color: var(--text-primary) !important;
    color: var(--bg-primary) !important;
}

.night-mode .status-box.problem {
    background-color: #880000 !important;
    color: var(--bg-primary) !important;
}

.night-mode .status-box.skip {
    background-color: #440000 !important;
    color: #880000 !important;
}

.night-mode .mode-btn.active {
    background-color: var(--text-primary) !important;
    color: var(--bg-primary) !important;
}

.night-mode .btn-primary {
    background-color: var(--text-primary) !important;
    color: var(--bg-primary) !important;
}

.night-mode .btn-primary:hover,
.night-mode .btn-primary:active {
    background-color: #cc0000 !important;
}

.night-mode input,
.night-mode select,
.night-mode textarea {
    background-color: #0a0000 !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.night-mode input::placeholder,
.night-mode textarea::placeholder {
    color: #660000 !important;
}

.night-mode input:focus,
.night-mode select:focus,
.night-mode textarea:focus {
    background-color: #110000 !important;
}

.night-mode .modal-backdrop {
    background: rgba(0, 0, 0, 0.95) !important;
}

.night-mode .modal-content {
    background: #000000 !important;
    border-color: var(--border-color) !important;
}

.night-mode .calc-result,
.night-mode .calc-ok,
.night-mode .calc-warning {
    background-color: #0a0000 !important;
}

.night-mode .offline-banner {
    background: var(--text-primary) !important;
    color: var(--bg-primary) !important;
}

html {
    font-size: calc(16px * var(--font-scale));
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'SF Mono', 'Monaco', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
    line-height: 1.4;
    min-height: 100vh;
    min-height: 100dvh;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Force our CSS variables on all elements */
body,
.bg-gray-100,
.bg-gray-900,
.bg-gray-800,
.bg-white {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

.text-gray-100,
.text-gray-200,
.text-gray-300,
.text-gray-400,
.text-gray-500,
.text-gray-600,
.text-gray-700,
.text-gray-800,
.text-gray-900,
.text-white,
.text-black {
    color: var(--text-primary) !important;
}

/* Touch-friendly targets */
button, .btn, a.btn, a.mode-btn, input[type="checkbox"], input[type="radio"] {
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
}

a.mode-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

/* Checklist items */
.checklist-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 2px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
}

.checklist-item:active {
    background-color: var(--bg-secondary);
}

.checklist-item.completed .item-name {
    text-decoration: line-through;
}

.checklist-item.problem {
    background-color: var(--bg-secondary);
}

.checklist-item .item-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.checklist-item .item-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.checklist-item .item-action {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.checklist-item .item-dots {
    display: none;
}

.checklist-item.sub-checklist {
    /* Same padding as regular items now that we have status-box */
}

.checklist-item .chevron {
    margin-left: 12px;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* Status indicator box */
.status-box {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
    font-weight: 700;
    font-size: 1.25rem;
}

.status-box.good {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

.status-box.problem {
    background-color: var(--status-problem);
    color: var(--bg-primary);
}

.status-box.skip {
    background-color: var(--status-skip);
    color: var(--bg-primary);
}

/* Section headers */
.section-header {
    background: var(--bg-header);
    padding: 8px 16px;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 2px solid var(--border-color);
    /* No top border - separation comes from navbar or previous item's bottom border */
    position: sticky;
    top: var(--header-height, 70px);
    z-index: 50;
    color: var(--text-primary);
}

/* Checklist cards (navigation) */
.checklist-card {
    border: 2px solid var(--border-color);
    padding: 16px;
    margin-bottom: 8px;
    background-color: var(--bg-primary);
    cursor: pointer;
}

.checklist-card:active {
    background-color: var(--bg-secondary);
}

.checklist-card-title {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.checklist-card-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.checklist-card-status {
    font-weight: 700;
    font-size: 0.875rem;
}

.checklist-card-status.complete {
    color: var(--status-good);
}

/* Header */
.app-header {
    background-color: var(--bg-header);
    border-bottom: 2px solid var(--border-color);
    padding: 12px 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: padding 0.2s ease;
}

.app-header.collapsed {
    padding: 6px 16px;
}

.app-header.collapsed .app-header-subtitle {
    display: none;
}

.app-header.collapsed .breadcrumb {
    margin-top: 4px;
}

.app-header-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.app-header-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: opacity 0.2s ease;
}

/* Hamburger menu */
.hamburger-btn {
    display: none;
    background: none;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
}

.header-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 16px;
    background: var(--bg-header);
    border: 2px solid var(--border-color);
    padding: 8px;
    z-index: 101;
    flex-direction: column;
    gap: 8px;
}

.header-menu.open {
    display: flex;
}

@media (max-width: 480px) {
    .hamburger-btn {
        display: block;
    }
    .header-buttons {
        display: none;
    }
}

/* Breadcrumb */
.breadcrumb {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 500;
    transition: margin 0.2s ease;
}

.breadcrumb button {
    color: var(--text-secondary);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
}

.breadcrumb button:hover {
    text-decoration: underline;
}

.breadcrumb button.current {
    color: var(--text-primary);
    font-weight: 700;
}

/* Buttons */
.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border: 2px solid var(--border-color);
    padding: 12px 24px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
}

.btn-primary:hover,
.btn-primary:active {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-secondary {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: 12px 24px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
}

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

/* Mode toggle buttons */
.mode-btn {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: 8px 12px;
    font-weight: 700;
    font-family: inherit;
    font-size: 0.75rem;
    cursor: pointer;
}

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

/* Forms */
input, select, textarea {
    font-family: inherit;
    font-size: 1rem;
    padding: 12px;
    border: 2px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    width: 100%;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    background-color: var(--bg-secondary);
}

label {
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 4px;
    color: var(--text-primary);
}

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    z-index: 100;
}

.modal-content {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    max-width: 32rem;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 24px;
}

/* Calculator display */
.calc-result {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 16px;
    border: 2px solid var(--border-color);
    margin: 8px 0;
}

.calc-warning {
    border: 2px solid var(--status-problem);
    background-color: rgba(220, 38, 38, 0.15);
    color: var(--status-problem);
    padding: 12px;
    margin: 8px 0;
    font-weight: 700;
}

.calc-ok {
    border: 2px solid var(--status-good);
    background-color: rgba(34, 197, 94, 0.15);
    color: var(--status-good);
    padding: 12px;
    margin: 8px 0;
    font-weight: 700;
}

.calc-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

.calc-input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 700;
}

.calc-input:focus {
    outline: none;
    border-color: var(--text-primary);
}

/* Dashboard cards */
.dash-card {
    border: 2px solid var(--border-color);
    padding: 16px;
    margin-bottom: 12px;
    background-color: var(--bg-primary);
}

.dash-card-title {
    font-weight: 700;
    font-size: 1rem;
}

.dash-card-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Offline indicator */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 8px;
    text-align: center;
    font-weight: 700;
    z-index: 1000;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Safe area padding for notched devices */
@supports (padding: max(0px)) {
    .safe-top { padding-top: max(12px, env(safe-area-inset-top)); }
    .safe-bottom { padding-bottom: max(12px, env(safe-area-inset-bottom)); }
    .safe-left { padding-left: max(12px, env(safe-area-inset-left)); }
    .safe-right { padding-right: max(12px, env(safe-area-inset-right)); }
}

/* Print styles */
@media print {
    .no-print { display: none !important; }

    * {
        background: white !important;
        color: black !important;
        border-color: black !important;
    }

    body {
        font-size: 10pt;
    }

    .checklist-item {
        page-break-inside: avoid;
    }

    .section-header {
        page-break-after: avoid;
        background: #ddd !important;
    }
}

/* Responsive - small screens */
@media (max-width: 640px) {
    .checklist-item {
        padding: 16px;
    }

    .status-box {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}

/* Main content area - consistent across all views */
main {
    flex: 1;
    padding: 16px;
}

/* Elements that extend edge-to-edge on mobile */
main .checklist-item,
main .section-header {
    margin-left: -16px;
    margin-right: -16px;
}

/* Responsive - medium screens with dot-leader layout (iPad portrait/iPhone landscape) */
@media (min-width: 768px) {
    main {
        margin: 0 48px;
        padding: 16px 0;
    }

    /* Reset mobile negative margins, use main margin for spacing */
    main .checklist-item {
        margin-left: 0;
        margin-right: 0;
    }

    /* Section headers extend full width, text aligns with items */
    main .section-header {
        margin-left: -48px;
        margin-right: -48px;
        padding-left: 64px;  /* 48px margin + 16px original padding */
        padding-right: 64px;
    }

    .checklist-item .item-content {
        flex-direction: row;
        align-items: baseline;
    }

    .checklist-item .item-name {
        flex-shrink: 0;
    }

    .checklist-item .item-dots {
        display: block;
        flex: 1;
        border-bottom: 2px dotted var(--text-secondary);
        margin: 0 8px;
        min-width: 20px;
        align-self: baseline;
        position: relative;
        top: -4px;
    }

    .checklist-item .item-action {
        flex-shrink: 0;
        margin-top: 0;
        font-weight: 700;
        font-size: 1rem;
        color: var(--text-primary);
    }
}

/* Responsive - large screens (iPad landscape/desktop) */
@media (min-width: 1024px) {
    main {
        max-width: 800px;
        margin: 0 auto;
    }

    /* Section headers extend full viewport width */
    main .section-header {
        width: 100vw;
        margin-left: calc(-50vw + 50%);
        padding-left: calc(50vw - 400px + 16px);  /* Center align with 800px content */
        padding-right: calc(50vw - 400px + 16px);
    }
}

/* Large text mode for accessibility */
.large-text {
    --font-scale: 1.25;
}

/* Hide spinner buttons on number inputs */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}