/* IOD Core Web - Base Styles */

/* ============================================================================
   Design Tokens — loaded on every page; navigator.css and any future
   page-specific stylesheet consume these rather than redefining them.
   ============================================================================ */

:root {
    --iod-red: #ad0614;
    --iod-lt-red: #f8e1e3;
    --iod-green: #069e57;
    --iod-lt-green: #e1f8f1;
    --iod-blue: #033882;
    --iod-lt-blue: #697482;
    --iod-orange: #fb8728;
    --iod-lt-orange: #fbeee3;

    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --text-muted: #999;
    --bg-light: #f8f9fa;
    --bg-lighter: #fafbfc;
    --border-color: #ddd;
    --border-light: #eee;

    /* Système d'espacement (Multiples de 4px / 8px) */
    --space-xxs: 4px;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-xxl: 64px;

    /* Composants & Structure */
    --radius-sm: 4px;
    --border-width-thin: 1px;
    --border-width-thick: 3px;
    --grid-gap-compact: 8px;
    --grid-gap-normal: 16px;
}

/* ============================================================================
   Global Styles
   ============================================================================ */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* ============================================================================
   Header
   ============================================================================ */

header {
    background: white;
    padding: var(--space-lg);
    border-bottom: var(--border-width-thin) solid #ddd;
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-sm);
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

header h1 {
    font-size: x-large;
}

/* ============================================================================
   Language Selector
   ============================================================================ */

.lang-selector {
    display: flex;
    gap: var(--space-xs);
    flex-shrink: 0;
}

.lang-btn {
    padding: var(--space-xxs) var(--space-xs);
    border: 2px solid transparent;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: x-large;
    line-height: 1;
    opacity: 0.5;
    transition: opacity 0.2s, border-color 0.2s;
}

.lang-btn:hover {
    opacity: 0.85;
}

.lang-btn.active {
    opacity: 1;
    border-color: #033882;
}

/* ============================================================================
   Container & Layout
   ============================================================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg);
    position: relative;
}

.layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: var(--space-lg);
    align-items: start;
}

/* ============================================================================
   Sidebar
   ============================================================================ */

.sidebar {
    position: sticky;
    top: var(--space-lg);
    background: white;
    border-radius: var(--radius-sm);
    overflow-x: hidden;
    overflow-y: auto;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    max-height: calc(100vh - 2 * var(--space-lg));
}

.sidebar-title {
    padding: var(--space-md);
    background: #f9f9f9;
    border-bottom: var(--border-width-thin) solid #ddd;
    font-weight: bold;
    font-size: small;
    text-transform: uppercase;
    color: #666;
}

/* Collapsible group (R6 level, or Skills domain) */
.nav-group {
    border-bottom: var(--border-width-thin) solid #eee;
}

.nav-group-title {
    padding: var(--space-sm) var(--space-md);
    background: #fafafa;
    font-weight: bold;
    font-size: medium;
    color: #444;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    user-select: none;
}

.nav-group-title::-webkit-details-marker {
    display: none;
}

.nav-group-title::before {
    content: "▶";
    font-size: x-small;
    color: #999;
    margin-right: var(--space-xs);
    transition: transform 0.15s;
    flex-shrink: 0;
}

.nav-group[open] > .nav-group-title::before {
    transform: rotate(90deg);
}

.nav-group-count {
    font-size: x-small;
    font-weight: normal;
    color: #999;
    background: #eee;
    border-radius: 10px;
    padding: 1px var(--space-xs);
    flex-shrink: 0;
}

.capacity-list {
    list-style: none;
}

.capacity-item {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md) var(--space-xs) var(--space-sm);
    border-bottom: var(--border-width-thin) solid #f2f2f2;
    cursor: pointer;
    transition: background 0.2s;
}

.capacity-item:hover {
    background: #f0f0f0;
}

.capacity-item.active {
    background: #007bff;
    color: white;
    border-left: var(--border-width-thick) solid #0056b3;
    padding-left: var(--space-sm);
}

.capacity-item.active .capacity-item-code {
    color: rgba(255, 255, 255, 0.75);
}

.capacity-item-code {
    font-family: "SF Mono", Monaco, Consolas, monospace;
    font-size: x-small;
    font-weight: normal;
    color: #aaa;
    flex-shrink: 0;
    min-width: 20px;
}

.capacity-item-name {
    font-size: medium;
    font-weight: normal;
    color: #1a1a1a;
    line-height: 1.3;
}

.capacity-item.active .capacity-item-name {
    color: white;
}

/* ============================================================================
   Main Content
   ============================================================================ */

.main-content {
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: var(--space-xl);
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 768px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .container {
        padding: var(--space-sm);
    }

    .main-content {
        padding: var(--space-md);
    }
}