/* ════════════════════════════════════════════
   FIS Product Manager — Frontend CSS
   ════════════════════════════════════════════ */

:root {
    --fis-primary: #003DA5;
    --fis-primary-2: #000091;
    --fis-accent: #E5850F;
    --fis-text: #1A1A1A;
    --fis-text-soft: #5a6478;
    --fis-bg: #FFFFFF;
    --fis-bg-alt: #F5F7FA;
    --fis-border: #E5E7EB;
    --fis-success: #10b981;
    --fis-radius: 8px;
}

.fis-block {
    background: var(--fis-bg);
    border-radius: var(--fis-radius);
    padding: 24px;
    margin-bottom: 20px;
    border: 1px solid var(--fis-border);
}
.fis-block-title {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 700;
    color: var(--fis-primary);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--fis-primary);
    display: flex; align-items: center; justify-content: space-between;
}

/* ─── Product table ─── */
.fis-table-wrap { overflow-x: auto; }
.fis-product-table table { width: 100%; border-collapse: collapse; }
.fis-product-table th {
    background: var(--fis-primary);
    color: white;
    padding: 12px;
    text-align: left;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.fis-product-table td {
    padding: 12px;
    border-bottom: 1px solid var(--fis-border);
    font-size: 14px;
}
.fis-product-table tr:last-child td { border-bottom: 0; }
.fis-product-table tr:hover td { background: var(--fis-bg-alt); }
.fis-stock-ok { color: var(--fis-success); font-weight: 600; }
.fis-stock-out { color: var(--fis-accent); font-weight: 600; }

/* ─── Pricing grid ─── */
.fis-tier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}
.fis-tier-card {
    background: var(--fis-bg-alt);
    border: 1px solid var(--fis-border);
    border-radius: var(--fis-radius);
    padding: 16px;
    text-align: center;
    transition: all .2s;
}
.fis-tier-card:hover {
    border-color: var(--fis-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,61,165,0.1);
}
.fis-tier-qty { font-size: 12px; color: var(--fis-text-soft); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.fis-tier-price { font-size: 22px; font-weight: 700; color: var(--fis-primary); margin-top: 6px; }
.fis-tier-price span { font-size: 12px; color: var(--fis-text-soft); font-weight: 400; }
.fis-price-hint { margin-top: 16px; padding: 12px; background: rgba(0,61,165,.05); border-radius: 6px; font-size: 13px; color: var(--fis-text-soft); }
.fis-price-single { font-size: 28px; font-weight: 700; color: var(--fis-primary); }

/* ─── Specs ─── */
.fis-specs-list { margin: 0; padding: 0; }
.fis-spec-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--fis-border);
}
.fis-spec-row:last-child { border-bottom: 0; }
.fis-spec-row dt { font-weight: 600; color: var(--fis-text-soft); margin: 0; }
.fis-spec-row dd { margin: 0; color: var(--fis-text); }

/* ─── Buttons ─── */
.fis-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 20px;
    border-radius: 6px;
    background: var(--fis-bg);
    border: 1px solid var(--fis-border);
    color: var(--fis-text);
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all .15s;
}
.fis-btn:hover { background: var(--fis-bg-alt); }
.fis-btn-primary { background: var(--fis-primary); color: white; border-color: var(--fis-primary); }
.fis-btn-primary:hover { background: var(--fis-primary-2); color: white; }
.fis-btn-accent { background: var(--fis-accent); color: white; border-color: var(--fis-accent); }
.fis-btn-small {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--fis-bg-alt);
    color: var(--fis-primary);
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--fis-border);
}
.fis-btn-small:hover { background: var(--fis-primary); color: white; }

/* ─── Devis form ─── */
.fis-devis-form .fis-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}
.fis-devis-form label {
    display: flex; flex-direction: column; gap: 6px;
    font-size: 13px; font-weight: 600; color: var(--fis-text);
    margin-bottom: 14px;
}
.fis-devis-form input, .fis-devis-form textarea {
    padding: 10px 12px;
    border: 1px solid var(--fis-border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--fis-bg);
}
.fis-devis-form input:focus, .fis-devis-form textarea:focus {
    outline: none;
    border-color: var(--fis-primary);
    box-shadow: 0 0 0 3px rgba(0,61,165,.1);
}
.fis-form-product { padding: 10px 14px; background: var(--fis-bg-alt); border-radius: 6px; margin-bottom: 14px; }
.fis-form-feedback { margin-top: 14px; padding: 12px; border-radius: 6px; }
.fis-form-feedback.success { background: rgba(16,185,129,.1); color: var(--fis-success); }
.fis-form-feedback.error { background: rgba(239,68,68,.1); color: #ef4444; }

/* ─── Palette calc ─── */
.fis-calc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}
.fis-calc-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; }
.fis-calc-grid input, .fis-calc-grid select {
    padding: 10px;
    border: 1px solid var(--fis-border);
    border-radius: 6px;
    font-size: 14px;
}
.fis-calc-results {
    margin-top: 20px;
    padding: 20px;
    background: var(--fis-bg-alt);
    border-radius: var(--fis-radius);
    border-left: 4px solid var(--fis-primary);
}
.fis-calc-results h4 { margin: 0 0 12px; color: var(--fis-primary); }
.fis-calc-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}
.fis-calc-stat { background: var(--fis-bg); padding: 12px; border-radius: 6px; text-align: center; }
.fis-calc-stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--fis-text-soft); font-weight: 600; }
.fis-calc-stat-value { font-size: 24px; font-weight: 700; color: var(--fis-primary); margin-top: 4px; }
.fis-calc-error { color: #ef4444; padding: 12px; background: rgba(239,68,68,.1); border-radius: 6px; }

/* Responsive */
@media (max-width: 768px) {
    .fis-block { padding: 16px; }
    .fis-devis-form .fis-form-grid { grid-template-columns: 1fr; }
    .fis-calc-grid { grid-template-columns: 1fr 1fr; }
    .fis-spec-row { grid-template-columns: 1fr; gap: 4px; }
}