/* ─── XR Culture Design Tokens ──────────────────────────────────── */
:root {
    /* Brand colours (from logo) */
    --xrc-purple:        #6B21A8;   /* deep purple – XR text */
    --xrc-purple-dark:   #4C1480;   /* darker shade for gradients */
    --xrc-purple-mid:    #9333EA;   /* mid-tone purple */
    --xrc-purple-light:  #EDE9FE;   /* very light lavender for hovers */
    --xrc-pink:          #EC4899;   /* hot-pink visor */
    --xrc-pink-dark:     #BE185D;   /* darker pink for pressed states */
    --xrc-pink-light:    #FCE7F3;   /* light pink tint */

    /* Surfaces */
    --bg-page:    #F7F5FF;   /* near-white with lavender cast */
    --bg-panel:   #FFFFFF;
    --bg-hover:   #EDE9FE;

    /* Text */
    --text-main:  #1E1B4B;   /* near-black with purple cast */
    --text-dim:   #6B7280;
    --text-inv:   #FFFFFF;

    /* Borders & shadows */
    --border-color: #DDD6FE;
    --shadow-sm:    0 2px 8px rgba(107, 33, 168, 0.08);
    --shadow-md:    0 8px 24px rgba(107, 33, 168, 0.12);

    /* Accent alias (used by tree-folder.css & inline styles) */
    --accent: var(--xrc-purple);

    /* Layout */
    --radius-lg: 1rem;
    --radius-md: 0.625rem;
    --navbar-h:  64px;
}

/* ─── Reset / Base ───────────────────────────────────────────────── */
*,
*::before,
*::after { box-sizing: border-box; }

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-page);
    color: var(--text-main);
    margin: 0;
    min-height: 100vh;
}

/* ─── Navbar ─────────────────────────────────────────────────────── */
.xrc-navbar {
    background: linear-gradient(135deg, var(--xrc-purple-dark) 0%, var(--xrc-purple) 100%);
    border-bottom: 2px solid var(--xrc-pink);
    box-shadow: 0 4px 16px rgba(76, 20, 128, 0.35);
    padding: 0.5rem 0;
    min-height: var(--navbar-h);
}

.xrc-brand {
    display: flex;
    align-items: center;
    padding: 0.25rem 0;
}

.xrc-brand img {
    filter: brightness(1.05);
    transition: transform 0.2s;
}

.xrc-brand:hover img {
    transform: scale(1.04);
}

.xrc-nav-link {
    color: rgba(255, 255, 255, 0.88) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
    transition: background 0.15s, color 0.15s;
}

.xrc-nav-link:hover,
.xrc-nav-link:focus {
    color: var(--xrc-pink) !important;
    background: rgba(255, 255, 255, 0.1);
}

.xrc-toggler {
    border-color: rgba(255, 255, 255, 0.4);
}

.xrc-toggler .navbar-toggler-icon {
    filter: invert(1);
}

/* ─── Main container ─────────────────────────────────────────────── */
.container,
.xrc-main-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ─── Cards (search results) ─────────────────────────────────────── */
ul.cards {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}

.card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    margin: 0.6rem 0 0.25rem;
}

.card small {
    color: var(--text-dim);
    font-size: 0.78rem;
}

/* ─── Buttons (inside cards / forms) ────────────────────────────── */
.card form button[type="submit"],
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.5rem;
    padding: 0.45rem 0.9rem;
    font-size: 0.82rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    background: linear-gradient(135deg, var(--xrc-purple) 0%, var(--xrc-purple-mid) 100%);
    color: #fff;
    transition: opacity 0.15s, box-shadow 0.15s;
    box-shadow: 0 2px 6px rgba(107, 33, 168, 0.3);
}

.card form button[type="submit"]:hover,
.btn-primary:hover {
    opacity: 0.9;
    box-shadow: 0 4px 12px rgba(107, 33, 168, 0.4);
}

.btn-secondary {
    background: #fff;
    color: var(--xrc-purple);
    border: 1.5px solid var(--xrc-purple);
    border-radius: var(--radius-md);
    padding: 0.45rem 0.9rem;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.btn-secondary:hover {
    background: var(--xrc-purple-light);
}

/* Bootstrap btn override */
a.btn.btn-primary,
button.btn.btn-primary {
    background: linear-gradient(135deg, var(--xrc-purple) 0%, var(--xrc-purple-mid) 100%);
    border-color: transparent;
    box-shadow: 0 2px 6px rgba(107, 33, 168, 0.3);
}

a.btn.btn-primary:hover,
button.btn.btn-primary:hover {
    background: linear-gradient(135deg, var(--xrc-purple-dark) 0%, var(--xrc-purple) 100%);
    border-color: transparent;
}

a.btn.btn-secondary,
button.btn.btn-secondary {
    background: #fff;
    color: var(--xrc-purple);
    border-color: var(--xrc-purple);
}

a.btn.btn-secondary:hover,
button.btn.btn-secondary:hover {
    background: var(--xrc-purple-light);
    color: var(--xrc-purple);
    border-color: var(--xrc-purple);
}

/* ─── Forms & inputs ─────────────────────────────────────────────── */
.form-control:focus,
.form-select:focus {
    border-color: var(--xrc-purple-mid);
    box-shadow: 0 0 0 0.2rem rgba(147, 51, 234, 0.2);
}

.form-check-input:checked {
    background-color: var(--xrc-purple);
    border-color: var(--xrc-purple);
}

/* ─── Bootstrap card overrides (Upload page) ────────────────────── */
.card-header.fw-semibold {
    background: linear-gradient(135deg, var(--xrc-purple) 0%, var(--xrc-purple-mid) 100%);
    color: #fff;
    border-bottom: none;
    border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
    font-size: 0.9rem;
    padding: 0.65rem 1rem;
}

.card.mb-3 {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

/* ─── ChooseAction page ──────────────────────────────────────────── */
.choose img {
    max-width: 320px;
    display: block;
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.choose fieldset {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    background: var(--bg-panel);
}

.choose legend {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--xrc-purple);
    padding: 0 0.4rem;
}

.choose label {
    display: block;
    margin: 0.35rem 0;
    font-size: 0.9rem;
}

.choose select {
    border-color: var(--border-color);
}

.choose button[type="submit"] {
    background: linear-gradient(135deg, var(--xrc-pink-dark) 0%, var(--xrc-pink) 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    padding: 0.5rem 1.4rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(236, 72, 153, 0.35);
    transition: opacity 0.15s;
}

.choose button[type="submit"]:hover {
    opacity: 0.9;
}

/* ─── Alerts ─────────────────────────────────────────────────────── */
.alert-danger {
    background: var(--xrc-pink-light);
    border-color: var(--xrc-pink);
    color: var(--xrc-pink-dark);
    border-radius: var(--radius-md);
}

/* ─── Page headings ──────────────────────────────────────────────── */
h2 {
    color: var(--xrc-purple);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

/* ─── Home search form ───────────────────────────────────────────── */
.xrc-search-hero {
    text-align: center;
    padding: 2.5rem 0 1.5rem;
}

.xrc-search-hero .xrc-logo-hero {
    height: 72px;
    margin-bottom: 1rem;
}

.xrc-search-hero h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--xrc-purple);
    margin-bottom: 0.25rem;
}

.xrc-search-hero p {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}