:root {
    --color-primary: #0f6e56;
    --color-primary-dark: #085041;
    --color-bg: #f7f7f5;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #6b6b68;
    --color-border: rgba(0, 0, 0, 0.1);
    --color-border-strong: rgba(0, 0, 0, 0.2);
    --color-success: #0f6e56;
    --color-success-bg: #e1f5ee;
    --color-error: #a32d2d;
    --color-error-bg: #fcebeb;
    --color-warning: #854f0b;
    --color-warning-bg: #faeeda;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 15px;
}

/* ========== Header et navigation ========== */

.app-header {
    background: var(--color-primary);
    color: #fff;
    padding: 0.75rem 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.header-left { display: flex; align-items: center; gap: 0.75rem; }

.app-header .brand {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.env-badge {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(255,255,255,0.15);
    border-radius: 4px;
    font-size: 0.7em;
    text-transform: uppercase;
}

.header-nav {
    display: flex;
    gap: 1.25rem;
    flex: 1;
    flex-wrap: wrap;
}

.header-nav a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 0.9em;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
}
.header-nav a:hover {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.4);
}

.header-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85em;
}

.header-user .user-name {
    color: #fff;
    font-weight: 500;
}

.user-menu-link {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
}
.user-menu-link:hover { color: #fff; }

.logout-form { margin: 0; }

.btn-logout {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border: none;
    padding: 0.35rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85em;
}
.btn-logout:hover { background: rgba(255,255,255,0.2); }

/* ========== Main ========== */

.app-main {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--color-border);
}

.card h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    font-weight: 500;
}

.card h3 {
    margin: 1rem 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* ========== Liens et code ========== */

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
    background: #f0f0ec;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 0.9em;
}

/* ========== Flash messages ========== */

.flash {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.95em;
}
.flash-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid #9fe1cb; }
.flash-error { background: var(--color-error-bg); color: var(--color-error); border: 1px solid #f7c1c1; }
.flash-warning { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid #fac775; }

/* ========== Meta et divers ========== */

.meta, small { color: var(--color-text-muted); font-size: 0.875em; }

.app-footer {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 1rem 2rem;
    color: var(--color-text-muted);
    font-size: 0.8em;
    text-align: center;
}

/* ========== Formulaires ========== */

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9em;
    color: var(--color-text);
    font-weight: 500;
}

.form-group label .required {
    color: var(--color-error);
    margin-left: 0.25rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="url"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.55rem 0.75rem;
    font-size: 0.95rem;
    border: 1px solid var(--color-border-strong);
    border-radius: 6px;
    background: #fff;
    font-family: inherit;
    color: var(--color-text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 110, 86, 0.1);
}

.form-group textarea { min-height: 100px; resize: vertical; }

.form-group.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.form-group.form-check input { width: auto; }
.form-group.form-check label { margin: 0; }

.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 200px; }

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ========== Boutons ========== */

.btn {
    display: inline-block;
    padding: 0.55rem 1.25rem;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
    transition: background 0.15s;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }

.btn-secondary {
    background: #fff;
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
}
.btn-secondary:hover { background: #f0f0ec; text-decoration: none; }

.btn-danger {
    background: var(--color-error);
    color: #fff;
}
.btn-danger:hover { background: #7e2222; text-decoration: none; }

.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.85rem; }

.btn-block { width: 100%; display: block; }

/* ========== Tables ========== */

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
}

.table th,
.table td {
    padding: 0.7rem 0.85rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.93em;
}

.table th {
    background: #f7f7f5;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    font-size: 0.78em;
    letter-spacing: 0.05em;
}

.table tr:hover td { background: #fafaf7; }

.table-actions { white-space: nowrap; text-align: right; }
.table-actions a { margin-left: 0.5rem; }

/* ========== Badges ========== */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75em;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-error { background: var(--color-error-bg); color: var(--color-error); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-muted { background: #f0f0ec; color: var(--color-text-muted); }
.badge-info { background: #e6f1fb; color: #0c447c; }

/* ========== Pages d'authentification ========== */

.auth-body {
    background: var(--color-bg);
    margin: 0;
}

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.auth-card {
    background: var(--color-surface);
    border-radius: 12px;
    padding: 2.5rem;
    max-width: 420px;
    width: 100%;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.auth-card h1 {
    margin: 0 0 0.25rem 0;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
}

.auth-card .subtitle {
    color: var(--color-text-muted);
    margin: 0 0 1.5rem 0;
    font-size: 0.9em;
}

.auth-links {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.875em;
}

/* ========== Utilitaires ========== */

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-small { font-size: 0.85em; }
.text-right { text-align: right; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}
.page-header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 500;
}
/* ========== Additions Phase 3 (RFQ) ========== */

/* Actions en haut de page (à côté du titre) */
.page-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Rangée de KPI (compteurs) */
.kpi-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.kpi-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    flex: 1 1 150px;
    min-width: 140px;
    text-align: center;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.kpi-label {
    font-size: 0.85em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.5rem;
}
.kpi-value {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Barre de filtres */
.filter-bar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}
.filter-bar strong {
    color: var(--color-text-muted);
    font-size: 0.9em;
    font-weight: 500;
}
.filter-bar a {
    color: var(--color-text);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.9em;
    transition: background 0.15s;
}
.filter-bar a:hover {
    background: var(--color-bg);
}
.filter-bar a.active {
    background: var(--color-primary);
    color: #fff;
    font-weight: 500;
}

/* Tableau de données (alias de .table + quelques ajustements) */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.data-table thead {
    background: var(--color-bg);
}
.data-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 500;
    font-size: 0.85em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--color-border);
}
.data-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}
.data-table tbody tr:last-child td {
    border-bottom: none;
}
.data-table tbody tr:hover {
    background: var(--color-bg);
}

/* État vide */
.empty-state {
    background: var(--color-surface);
    border: 1px dashed var(--color-border-strong);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
    color: var(--color-text-muted);
}

/* Formulaire inline (ajout rapide) */
.inline-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.inline-form select,
.inline-form input {
    flex: 1 1 300px;
}

/* Grille d'infos (définition / valeur) */
.info-grid {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 0.5rem 1rem;
    margin: 0;
}
.info-grid dt {
    font-weight: 500;
    color: var(--color-text-muted);
    font-size: 0.9em;
}
.info-grid dd {
    margin: 0;
    color: var(--color-text);
}

/* Hint (petit texte sous un label) */
.hint {
    font-size: 0.85em;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
    font-style: italic;
}

/* Card actions (zone avec actions critiques : publier, annuler) */
.actions-card {
    border-left: 4px solid var(--color-primary);
}
.actions-card .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1em;
    font-weight: 500;
}

/* Zone de danger (annulation, etc.) */
.danger-zone {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--color-error-bg);
    border: 1px solid var(--color-error);
    border-radius: var(--radius);
}
.danger-zone summary {
    cursor: pointer;
    font-weight: 500;
    color: var(--color-error);
}
.danger-zone[open] summary {
    margin-bottom: 0.75rem;
}

/* Variantes de badges pour RFQ */
.badge-info {
    background: rgba(15, 110, 134, 0.1);
    color: #0f6e86;
}

/* Bouton warning (pour RFQ obligatoire au-dessus du seuil) */
.btn-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}
.btn-warning:hover {
    background: var(--color-warning);
    color: #fff;
}