:root {
    --primary: #1a3a5c;
    --primary-light: #2a5a8c;
    --accent: #c49a3c;
    --accent-light: #d4aa4c;
    --success: #27ae60;
    --warning: #f39c12;
    --bg: #f5f6fa;
    --card: #ffffff;
    --text: #2c3e50;
    --text-light: #7f8c8d;
    --border: #dcdde1;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    padding-bottom: 100px;
}

/* HEADER */
.header {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.header-logo {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: white;
    text-decoration: none;
    font-family: Georgia, 'Times New Roman', serif;
    text-transform: uppercase;
    line-height: 1.1;
    text-align: center;
}
.header-logo .logo-name { font-size: 0.65rem; display: block; }
.header-logo .logo-atelier { display: block; font-size: 0.55rem; letter-spacing: 4px; color: rgba(255,255,255,0.65); font-weight: 400; }
.header-nav { display: flex; gap: 1rem; align-items: center; }
.header-nav a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    transition: all 0.2s;
}
.header-nav a:hover, .header-nav a.active {
    background: rgba(255,255,255,0.15);
    color: white;
}

/* LAYOUT */
.container { max-width: 1400px; margin: 0 auto; padding: 1rem; }
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    margin-bottom: 1rem;
}
.card-header {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent);
    color: var(--primary);
}

/* FORMS */
label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-light); }
input[type="text"], input[type="number"], input[type="password"], input[type="email"],
input[type="search"], select, textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    height: 2.375rem;
    transition: border-color 0.2s;
    background: white;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(192,57,43,0.1);
}
input[type="number"] { text-align: right; }
label { white-space: nowrap; }

.form-row { display: flex; gap: 0.75rem; margin-bottom: 0.75rem; }
.form-group { flex: 1; }
.form-group-sm { flex: 0 0 100px; }

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-light); }
.btn-secondary { background: var(--primary); color: white; }
.btn-secondary:hover { background: var(--primary-light); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn-lg { padding: 0.7rem 1.5rem; font-size: 1rem; }

/* TABS */
.tabs { display: flex; gap: 0.25rem; margin-bottom: 1rem; flex-wrap: wrap; }
.tab {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius) var(--radius) 0 0;
    cursor: pointer;
    font-size: 0.9rem;
    background: var(--bg);
    transition: all 0.2s;
}
.tab.active { background: var(--card); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* CALCULATOR */
.calc-frame { border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem; }
.calc-dimensions { display: grid; grid-template-columns: 1fr 1fr auto 1fr; gap: 0.75rem; align-items: end; margin-bottom: 1rem; }
.calc-surface { background: var(--bg); padding: 0.5rem 0.75rem; border-radius: var(--radius); font-weight: 600; text-align: center; font-size: clamp(0.83rem, 2.6vw, 1.1rem); }
.calc-surface span { color: var(--accent); }

.calc-molding { display: grid; grid-template-columns: 1fr auto auto auto; gap: 0.75rem; align-items: end; margin-bottom: 1rem; }
.molding-search-wrapper { position: relative; }
.molding-search { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.molding-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
    max-height: 250px;
    overflow-y: auto;
    z-index: 50;
    display: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.molding-results.show { display: block; }
.molding-result {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--bg);
    font-size: 0.85rem;
}
.molding-result:hover { background: var(--bg); }
.molding-result .ref { font-weight: 600; color: var(--primary); }
.molding-result .desc { color: var(--text-light); font-size: 0.8rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transform-origin: left center; }
.molding-result .price { color: var(--accent); font-weight: 600; white-space: nowrap; }
.molding-thumb { width: 60px; aspect-ratio: 2 / 1; object-fit: cover; border-radius: 4px; margin-right: 0.5rem; }

.calc-options { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 0.5rem; }
.calc-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}
.calc-option:hover { border-color: var(--accent-light); }
.calc-option.checked { background: rgba(192,57,43,0.05); border-color: var(--accent); }
.calc-option input[type="checkbox"], .calc-option input[type="radio"] { accent-color: var(--accent); width: 18px; height: 18px; cursor: pointer; flex-shrink: 0; }
.calc-option .option-label { flex: 1; font-size: 0.9rem; min-width: 0; }
.calc-option .option-price { font-weight: 600; color: var(--accent); font-size: 0.9rem; white-space: nowrap; flex-shrink: 0; }

/* TOTALS */
.total-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.2);
    z-index: 90;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}
.total-bar .total-amount { font-size: 1.5rem; font-weight: 700; }
.total-bar .total-label { font-size: 0.9rem; opacity: 0.8; }
.paper-filters-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; margin-bottom: 0.5rem; }
.paper-filters-grid select { width: 100%; padding: 0.3rem 0.4rem; border: 1px solid var(--border); border-radius: var(--radius); font-size: clamp(0.65rem, 2.2vw, 0.8rem); }
@media (min-width: 500px) { .paper-filters-grid { grid-template-columns: 1fr 1fr 1fr 1fr; } }
.frame-total { font-size: clamp(0.7rem, 2.5vw, 1.1rem); font-weight: 600; color: var(--accent); padding: 0.75rem 0; border-top: 2px solid var(--border); margin-top: 0.5rem; text-align: center; white-space: normal; line-height: 1.8; }
.subtotal-item { white-space: nowrap; }
.totals-line { white-space: nowrap; text-align: center; overflow: hidden; max-width: 100%; }
.subtotal-sep { color: var(--text-light); font-weight: 400; white-space: nowrap; }

/* CATALOG */
.catalog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
.catalog-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s;
}
.catalog-card:hover { transform: translateY(-2px); }
.catalog-card-img {
    width: 100%;
    aspect-ratio: 2 / 1;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 0.8rem;
}
.catalog-card-img img { width: 100%; height: 100%; object-fit: cover; }
.catalog-card-body { padding: 0.75rem; }
.catalog-card-ref { font-weight: 600; font-size: 0.85rem; color: var(--primary); }
.catalog-card-desc { font-size: 0.8rem; color: var(--text-light); margin: 0.25rem 0; white-space: nowrap; overflow: visible; }
.catalog-card-price { font-weight: 700; color: var(--accent); }
.catalog-card-width { font-size: 0.75rem; color: var(--text-light); }

/* FILTERS */
.filters { display: flex; gap: 0.75rem; margin-bottom: 1rem; flex-wrap: wrap; align-items: end; }
.filters .form-group { min-width: 150px; }

/* ADMIN */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 52px); }
.admin-sidebar {
    background: var(--primary);
    padding: 1rem 0;
}
.admin-sidebar a {
    display: block;
    padding: 0.6rem 1.25rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
}
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,0.1); color: white; }
.admin-content { padding: 1.5rem; }
.admin-content input[type="number"]::-webkit-inner-spin-button,
.admin-content input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.admin-content input[type="number"] { -moz-appearance: textfield; }
.admin-label-squeeze { display: inline-block; max-width: 100%; white-space: nowrap; vertical-align: middle; }

/* TABLE */
.table-responsive { overflow-x: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; table-layout: fixed; }
table td, table th { overflow: hidden; }
th { background: var(--bg); font-weight: 600; text-align: left; padding: 0.6rem 0.75rem; border-bottom: 2px solid var(--border); }
td { padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--bg); }
tr:hover td { background: rgba(192,57,43,0.02); }
td input { width: 100px; padding: 0.25rem 0.5rem; font-size: 0.85rem; }

/* ALERTS */
.alert { padding: 0.75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: 0.9rem; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

/* LOGIN */
.login-container { max-width: 400px; margin: 4rem auto; }

/* SIMPLE MODE CHOICES */
.simple-choices { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.75rem; }
.simple-choice {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    background: var(--card);
}
.choice-check { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; flex-shrink: 0; }
.choice-emoji { font-size: 1.3rem; line-height: 1; }
.simple-choice:hover { border-color: var(--accent-light); transform: translateY(-1px); }
.simple-choice:has(input:checked) { border-color: var(--accent); background: rgba(192,57,43,0.05); }
.simple-choice input[type="radio"] { accent-color: var(--accent); width: 20px; height: 20px; }
.choice-title { font-weight: 600; font-size: 1rem; color: var(--primary); }
.choice-title span { display: inline-block; white-space: nowrap; transform-origin: left center; }
.choice-desc { font-size: 0.8rem; color: var(--text-light); margin-top: 0.15rem; }
.choice-content { min-width: 0; overflow: hidden; }
.choice-content { min-width: 0; overflow: hidden; }
.simple-options { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 0.5rem; }
.simple-step .card-header { border-bottom-color: var(--primary-light); }

/* PRINT */
@media print {
    /* Hide UI chrome only */
    .header, .tabs, .header-nav, .no-print,
    .molding-results, .paper-filters-grid,
    #paper-results, #molding-results-simple { display: none !important; }

    /* Reset layout */
    body { background: white !important; margin: 0; padding: 0; font-size: 11pt; }
    .container { max-width: 100%; padding: 0 0.5cm; }
    .card { box-shadow: none; border: 1px solid #ccc; padding: 0.4cm 0.5cm; margin-bottom: 0.3cm; break-inside: avoid; }
    .card-header { font-size: 11pt; margin-bottom: 0.15cm; }

    /* "Que souhaitez-vous faire" - hide unchecked choices only */
    .simple-choice { border: none !important; padding: 0.1cm 0 !important; }
    .simple-choice:not(:has(input:checked)) { display: none !important; }
    .simple-choice input[type="checkbox"], .choice-emoji { display: none !important; }

    /* Options - hide unselected only */
    .calc-option { border: none !important; padding: 0.1cm 0 !important; font-size: 10pt; }
    .calc-option:not(.checked) { display: none !important; }
    .option-price { display: inline !important; }

    /* Dimensions */
    .calc-dimensions { gap: 0.3cm; margin-bottom: 0.3cm; }
    .calc-surface { font-size: 10pt; padding: 0.2cm; }

    /* Inputs: clean look */
    input[type="number"], input[type="search"], select { border: none !important; background: transparent !important; padding: 0 !important; font-weight: 600; }

    /* Baguette overlay visible */
    .molding-overlay { color: #333 !important; }

    /* Total bar - show as static block */
    .total-bar {
        position: static !important;
        background: #1a2a4a !important;
        color: white !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        color-adjust: exact !important;
        padding: 0.4cm 0.6cm !important;
        margin-top: 0.3cm;
        border-radius: 6px;
        box-shadow: none !important;
        display: flex !important;
    }
    .total-bar .total-label { font-size: 8pt; opacity: 1 !important; }
    .total-bar .total-amount { font-size: 14pt !important; }
    .total-bar div { color: white !important; }

    /* Frame total */
    .frame-total { font-size: 11pt; padding: 0.2cm 0; margin-top: 0.2cm; }

    /* Page setup */
    @page { size: A4 portrait; margin: 1cm; }

    /* Montage bar */
    #montage-bar { font-size: 10pt; padding: 0.2cm 0.4cm; margin-bottom: 0.2cm; }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .calc-dimensions { grid-template-columns: 1fr 1fr; }
    .calc-molding { grid-template-columns: 1fr; gap: 0.5rem; }
    .calc-options { grid-template-columns: 1fr; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .form-row { flex-direction: column; }
    .header { padding: 0.5rem 1rem; }
    .header-logo { font-size: 1.1rem; }
    .catalog-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}