/* technopark.kz brand tokens
 * Single source of truth for colors, type, spacing, radii, shadows.
 * Include with: {% load static %}<link rel="stylesheet" href="{% static 'brand/tokens.css' %}">
 * Or paste into base.html <style> block.
 */

:root {
    /* ---- Brand colors ---- */
    --brand:           #0F6E56;  /* Industrial Green — primary actions, links, logo block */
    --brand-strong:    #085041;  /* hover/active for brand surfaces */
    --brand-dark:      #04342C;  /* Deep Cabinet — header, dark surfaces */
    --brand-soft:      #E1F5EE;  /* light brand background (in-stock pills, info blocks) */
    --brand-mid:       #5DCAA5;  /* secondary brand accent for dark backgrounds */

    /* ---- Accent (signal amber) ---- */
    --accent:          #EF9F27;  /* CTAs that need extra weight, "on order" badges */
    --accent-strong:   #BA7517;  /* hover */
    --accent-soft:     #FAEEDA;  /* warning surface */
    --accent-ink:      #412402;  /* text on amber */

    /* ---- Surfaces ---- */
    --page-bg:         #F1EFE8;  /* warm neutral page background */
    --surface:         #FFFFFF;  /* cards, modals */
    --surface-soft:    #F8F7F2;  /* secondary surfaces, hover states */
    --surface-strong:  #E6E4DC;  /* dividers between sections */

    /* ---- Ink (text) ---- */
    --ink:             #2C2C2A;  /* Graphite — primary text */
    --ink-2:           #444441;  /* secondary text */
    --muted:           #5F5E5A;  /* labels, metadata */
    --muted-soft:      #888780;  /* placeholders, disabled */

    /* ---- Lines ---- */
    --line:            #D3D1C7;  /* default borders */
    --line-strong:     #B4B2A9;  /* emphasised borders */

    /* ---- Status ---- */
    --success:         #085041;
    --success-soft:    #E1F5EE;
    --warning:         #BA7517;
    --warning-soft:    #FAEEDA;
    --danger:          #A32D2D;
    --danger-soft:     #FCEBEB;

    /* ---- Type ---- */
    --font-sans:  Inter, "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
    --font-mono:  "JetBrains Mono", "Fira Code", "Cascadia Code", "Consolas", "Liberation Mono", monospace;

    /* ---- Radii ---- */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-pill: 999px;

    /* ---- Shadows ---- */
    --shadow-sm: 0 1px 2px rgba(4, 52, 44, 0.06);
    --shadow-md: 0 4px 12px rgba(4, 52, 44, 0.08);
    --shadow-lg: 0 12px 32px rgba(4, 52, 44, 0.12);
    --shadow: var(--shadow-lg);
    --text: var(--ink);
    --accent-dark: var(--accent-strong);

    /* ---- Layout ---- */
    --container: 1180px;
    --header-h: 64px;
}

* {
    box-sizing: border-box;
}

/* ---- Page base ---- */
html {
    background: var(--page-bg);
}

body {
    margin: 0;
    background: var(--page-bg);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--brand);
    text-decoration: none;
}

a:hover {
    color: var(--brand-strong);
    text-decoration: underline;
}

/* ---- Monospace for catalog data ----
 * Use .data for anything that is a code: SKU, article, price, checksum, count.
 * This is a brand-level signal: "this is verified data, not marketing copy".
 */
.data,
.sku,
.price,
.checksum,
.catalog-card__sku,
.catalog-card__price,
.search-card__sku,
.search-card__price,
.quote-sku,
.product-summary__sku,
.product-table__code,
.product-price {
    font-family: var(--font-mono);
    font-feature-settings: "tnum" 1, "zero" 1;
    letter-spacing: 0;
}

.sku {
    color: var(--brand);
    font-weight: 500;
}

.price {
    color: var(--ink);
    font-weight: 500;
}

.checksum {
    color: var(--muted);
    font-size: 0.85em;
}

/* ---- Status badges ---- */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.status-badge--in-stock {
    background: var(--success-soft);
    color: var(--success);
}

.status-badge--on-order {
    background: var(--warning-soft);
    color: var(--warning);
}

.status-badge--out {
    background: var(--danger-soft);
    color: var(--danger);
}

.status-badge--neutral {
    background: var(--surface-strong);
    color: var(--ink-2);
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 36px;
    padding: 8px 14px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.2;
    cursor: pointer;
    transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
    white-space: nowrap;
    text-decoration: none;
}

.btn--primary {
    background: var(--brand);
    color: #FFFFFF;
    border-color: var(--brand);
}

.btn--primary:hover {
    background: var(--brand-strong);
    border-color: var(--brand-strong);
    color: #FFFFFF;
    text-decoration: none;
}

.btn--secondary {
    background: var(--surface);
    color: var(--brand);
    border-color: var(--brand);
}

.btn--secondary:hover {
    background: var(--brand-soft);
    color: var(--brand-strong);
    text-decoration: none;
}

.btn--accent {
    background: var(--accent);
    color: var(--accent-ink);
    border-color: var(--accent);
}

.btn--accent:hover {
    background: var(--accent-strong);
    color: #FFFFFF;
    border-color: var(--accent-strong);
    text-decoration: none;
}

.btn--ghost {
    background: transparent;
    color: var(--ink-2);
    border-color: var(--line);
}

.btn--ghost:hover {
    background: var(--surface-soft);
    color: var(--ink);
    text-decoration: none;
}

/* ---- Header ---- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 0 max(16px, calc((100vw - var(--container)) / 2));
    min-height: var(--header-h);
    background: var(--brand-dark);
    box-shadow: var(--shadow-md);
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #FFFFFF;
    font-weight: 600;
    text-decoration: none;
    font-size: 16px;
    letter-spacing: -0.2px;
}

.site-logo svg {
    width: 32px;
    height: 32px;
    display: block;
}

.site-logo img {
    width: 32px;
    height: 32px;
    display: block;
}

.site-logo .domain {
    color: var(--brand-mid);
}

.site-nav {
    display: flex;
    gap: 2px;
}

.site-nav a {
    display: inline-flex;
    align-items: center;
    min-height: var(--header-h);
    padding: 0 14px;
    color: #C7D6CF;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
}

.site-nav a:hover {
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 -2px 0 var(--accent);
    text-decoration: none;
}

.site-nav a.active {
    color: #FFFFFF;
    box-shadow: inset 0 -2px 0 var(--accent);
}

/* ---- Containers ---- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 16px;
}

/* ---- Cards ---- */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 16px;
}

.card:hover {
    border-color: var(--line-strong);
}

/* ---- Breadcrumbs ---- */
.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    color: var(--muted);
    font-size: 13px;
    margin: 16px 0;
}

.breadcrumbs a {
    color: var(--ink-2);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--brand);
    text-decoration: underline;
}

.breadcrumbs__separator {
    color: var(--muted-soft);
}

/* ---- Messages ---- */
.site-messages {
    max-width: var(--container);
    margin: 14px auto 0;
    padding: 0 16px;
}

.site-message {
    padding: 10px 12px;
    border: 1px solid #9BD7C2;
    border-radius: var(--radius-md);
    background: var(--success-soft);
    color: var(--success);
    font-size: 14px;
}

.site-message + .site-message {
    margin-top: 8px;
}

/* ---- Background grid (subtle technical pattern) ----
 * Apply to <html> or a hero block. Keep opacity low — it should read as paper, not noise.
 */
.brand-grid-bg {
    background-image:
        linear-gradient(90deg, rgba(15, 110, 86, 0.04) 1px, transparent 1px),
        linear-gradient(180deg, rgba(15, 110, 86, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
}

main {
    min-height: calc(100vh - var(--header-h));
}

/* ---- Compatibility aliases for existing project templates ---- */
.status-badge--success {
    background: var(--success-soft);
    color: var(--success);
}

.status-badge--warning {
    background: var(--warning-soft);
    color: var(--warning);
}

.status-badge--muted {
    background: var(--surface-strong);
    color: var(--ink-2);
}

.quote-mini-form {
    display: inline-flex;
    margin: 0;
}

.quote-mini-form button,
.quote-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 7px 10px;
    border: 1px solid var(--brand);
    border-radius: var(--radius-md);
    background: var(--brand);
    color: #FFFFFF;
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
}

.quote-mini-form button:hover,
.quote-link:hover {
    background: var(--brand-strong);
    border-color: var(--brand-strong);
    color: #FFFFFF;
    text-decoration: none;
}

/* ---- Mobile ---- */
@media (max-width: 720px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 12px 16px;
        gap: 8px;
    }

    .site-nav {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .site-nav a {
        min-height: 40px;
        padding: 0 10px;
    }
}