/* ── @ai: AnBosca design-system.css ──
   Data flow: loaded by every page; defines CSS variables, reset, base typography,
   and utility classes. All other CSS layers on top.
   Connected: templates/layout.php; all component/page CSS.
   ────────────────────────────────────────── */

:root {
    --bg: #0f172a;
    --bg-elevated: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --accent-glow: rgba(56, 189, 248, 0.25);
    --border: #334155;
    --border-subtle: #1e293b;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --max-width: 1200px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

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

a:hover {
    text-decoration: underline;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: var(--bg);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 100;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

.container {
    width: min(92%, var(--max-width));
    margin: 0 auto;
}

/* Typography */
.h1, h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; margin: 0 0 var(--spacing-lg); }
.h2, h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); line-height: 1.25; margin: 0 0 var(--spacing-md); }
.h3, h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); line-height: 1.3; margin: 0 0 var(--spacing-sm); }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-large { font-size: 1.125rem; }
.text-small { font-size: 0.875rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.1s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
    text-decoration: none;
}

.btn:hover { text-decoration: none; }

.btn-primary {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* Forms */
.form-group { margin-bottom: var(--spacing-lg); }
.form-label { display: block; margin-bottom: var(--spacing-sm); font-weight: 500; color: var(--text-secondary); }
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea { min-height: 120px; resize: vertical; }

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
}

.card-hover:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

/* Grid/Flex utilities */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-xl); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--spacing-xl); }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--spacing-lg); }
.flex { display: flex; }
.flex-column { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Spacing */
.section { padding: var(--spacing-3xl) 0; }
.section-sm { padding: var(--spacing-xl) 0; }
.mt-0 { margin-top: 0; }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: var(--spacing-md); text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 600; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-paid { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge-shipped { background: rgba(56, 189, 248, 0.15); color: var(--accent); }
.badge-delivered { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.badge-cancelled { background: rgba(239, 68, 68, 0.15); color: var(--error); }

/* Alerts */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: var(--spacing-lg);
}
.alert-success { background: rgba(34, 197, 94, 0.1); border-color: var(--success); color: var(--success); }
.alert-error { background: rgba(239, 68, 68, 0.1); border-color: var(--error); color: var(--error); }
.alert-info { background: rgba(56, 189, 248, 0.1); border-color: var(--accent); color: var(--accent); }

/* Utilities */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }