/* ============================================================================
   Gestion Multi-Sociétés — Feuille de style principale
   Design industriel / utilitaire, responsive mobile-first
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
    /* Palette graphite */
    --c-bg:           #0F1419;
    --c-bg-2:         #161C23;
    --c-bg-3:         #1E2630;
    --c-border:       #2A3440;
    --c-border-2:     #3D4958;
    --c-text:         #E8EDF2;
    --c-text-dim:     #9BA8B8;
    --c-text-mute:    #6A7888;
    
    /* Accents sociétés */
    --c-ter:          #C47F3A;  /* Terrassement - ocre terre */
    --c-loc:          #3A8FBF;  /* Location - acier */
    --c-agr:          #6B9D4A;  /* Agri - vert olive */
    
    /* États */
    --c-success:      #4EAE5C;
    --c-warning:      #D9A33E;
    --c-danger:       #D14545;
    --c-info:         #4A90B8;
    
    /* Autres */
    --c-primary:      #D14545;  /* Rouge DAMOTIC */
    --c-accent:       #C47F3A;
    
    --radius:         6px;
    --radius-lg:      10px;
    --shadow-sm:      0 1px 2px rgba(0,0,0,.4);
    --shadow-md:      0 4px 16px rgba(0,0,0,.35);
    --shadow-lg:      0 12px 40px rgba(0,0,0,.5);
    
    --font-sans:      'Manrope', system-ui, -apple-system, sans-serif;
    --font-mono:      'JetBrains Mono', 'SF Mono', Consolas, monospace;
    
    --sidebar-w:      250px;
    --header-h:       60px;
}

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

html, body {
    font-family: var(--font-sans);
    background: var(--c-bg);
    color: var(--c-text);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--c-loc); text-decoration: none; }
a:hover { color: var(--c-text); }

/* ============================================================================
   LAYOUT : LOGIN
   ============================================================================ */
.bg-login {
    background: radial-gradient(ellipse at top left, #1E2630 0%, #0F1419 55%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.bg-login::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.015) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
.bg-login::after {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(196,127,58,.08) 0%, transparent 70%);
    top: -100px; right: -100px;
    pointer-events: none;
}

.login-container, .install-container {
    width: 100%;
    max-width: 440px;
    background: var(--c-bg-2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}
.login-container h1, .install-container h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -.02em;
    margin-bottom: 4px;
}
.login-container .subtitle, .install-container .subtitle {
    color: var(--c-text-dim);
    font-size: 13px;
    margin-bottom: 32px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: .08em;
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--c-border);
}
.login-brand-badge {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--c-primary), #8B2A2A);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; color: #fff;
    font-family: var(--font-mono);
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(209,69,69,.3);
}

/* ============================================================================
   FORMULAIRES
   ============================================================================ */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 600;
    color: var(--c-text-dim);
    margin-bottom: 6px;
    font-family: var(--font-mono);
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    color: var(--c-text);
    padding: 10px 14px;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 14px;
    transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--c-loc);
    box-shadow: 0 0 0 3px rgba(58,143,191,.15);
}
.form-group textarea { resize: vertical; min-height: 80px; }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

/* ============================================================================
   BOUTONS
   ============================================================================ */
.btn, .btn-primary, .btn-secondary, .btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    cursor: pointer;
    transition: all .15s;
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
}
.btn-primary:hover {
    background: #B53838;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(209,69,69,.35);
}
.btn-secondary {
    background: var(--c-bg-3);
    color: var(--c-text);
    border-color: var(--c-border-2);
}
.btn-secondary:hover {
    background: var(--c-border);
    color: var(--c-text);
}
.btn-danger {
    background: transparent;
    color: var(--c-danger);
    border-color: var(--c-danger);
}
.btn-danger:hover {
    background: var(--c-danger);
    color: #fff;
}
.btn-sm {
    padding: 6px 12px;
    font-size: 11px;
}
.btn-block { width: 100%; }

/* ============================================================================
   MESSAGES / ALERTES
   ============================================================================ */
.messages, .alerts { margin-bottom: 20px; }
.msg, .alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    border-left: 3px solid var(--c-info);
    background: rgba(74,144,184,.08);
    margin-bottom: 8px;
    font-size: 13px;
}
.alert-success { border-left-color: var(--c-success); background: rgba(78,174,92,.08); }
.alert-error   { border-left-color: var(--c-danger);  background: rgba(209,69,69,.08); }
.alert-warning { border-left-color: var(--c-warning); background: rgba(217,163,62,.08); }

/* ============================================================================
   LAYOUT APPLICATION
   ============================================================================ */
.app-layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    grid-template-rows: var(--header-h) 1fr;
    grid-template-areas:
        "sidebar header"
        "sidebar main";
}

.app-sidebar {
    grid-area: sidebar;
    background: var(--c-bg-2);
    border-right: 1px solid var(--c-border);
    overflow-y: auto;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
}
.sidebar-brand {
    padding: 18px 20px;
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-brand-badge {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--c-primary), #8B2A2A);
    border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800;
    font-family: var(--font-mono);
    color: #fff;
}
.sidebar-brand-text {
    font-weight: 800;
    font-size: 15px;
    line-height: 1.1;
}
.sidebar-brand-text small {
    display: block;
    font-size: 10px;
    color: var(--c-text-mute);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 500;
    margin-top: 3px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
}
.sidebar-section-title {
    padding: 14px 20px 6px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--c-text-mute);
    font-family: var(--font-mono);
    font-weight: 600;
}
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--c-text-dim);
    font-size: 13.5px;
    font-weight: 500;
    transition: all .15s;
    border-left: 2px solid transparent;
}
.sidebar-link:hover {
    background: var(--c-bg-3);
    color: var(--c-text);
}
.sidebar-link.active {
    background: linear-gradient(90deg, rgba(209,69,69,.12), transparent);
    color: var(--c-text);
    border-left-color: var(--c-primary);
}
.sidebar-link .icon {
    width: 18px; height: 18px;
    opacity: .85;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--c-border);
    font-size: 11px;
    color: var(--c-text-mute);
    font-family: var(--font-mono);
}

/* ============================================================================
   HEADER
   ============================================================================ */
.app-header {
    grid-area: header;
    background: var(--c-bg-2);
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.header-title {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -.01em;
}
.header-title small {
    display: block;
    font-size: 10px;
    color: var(--c-text-mute);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 500;
    margin-top: 2px;
}
.header-user {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
}
.header-user-badge {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-loc), #1E5676);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-family: var(--font-mono);
    color: #fff;
    font-size: 13px;
}
.btn-burger {
    display: none;
    background: none;
    border: none;
    color: var(--c-text);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
}

/* ============================================================================
   MAIN
   ============================================================================ */
.app-main {
    grid-area: main;
    padding: 24px 28px;
    overflow-x: auto;
}
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-title {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -.02em;
}
.page-title small {
    display: block;
    font-size: 11px;
    color: var(--c-text-mute);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 500;
    margin-top: 3px;
}
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ============================================================================
   CARDS / PANELS
   ============================================================================ */
.card {
    background: var(--c-bg-2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}
.card-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--c-text-dim);
    font-family: var(--font-mono);
    font-weight: 600;
    margin-bottom: 10px;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--c-border);
}

/* Stats grid dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--c-bg-2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--c-loc);
}
.stat-card.ter::before { background: var(--c-ter); }
.stat-card.loc::before { background: var(--c-loc); }
.stat-card.agr::before { background: var(--c-agr); }
.stat-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--c-text-mute);
    font-family: var(--font-mono);
    font-weight: 600;
}
.stat-value {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -.02em;
    margin-top: 6px;
    font-variant-numeric: tabular-nums;
}
.stat-unit {
    font-size: 12px;
    color: var(--c-text-mute);
    font-family: var(--font-mono);
    margin-left: 4px;
    font-weight: 500;
}

/* ============================================================================
   TABLES
   ============================================================================ */
.table-wrap {
    background: var(--c-bg-2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    box-shadow: var(--shadow-sm);
}
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 600px;
}
.table th {
    background: var(--c-bg-3);
    padding: 12px 16px;
    text-align: left;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--c-text-dim);
    font-family: var(--font-mono);
    font-weight: 600;
    border-bottom: 1px solid var(--c-border);
    white-space: nowrap;
}
.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--c-border);
    vertical-align: middle;
}
.table tbody tr { transition: background .1s; }
.table tbody tr:hover { background: rgba(255,255,255,.02); }
.table tbody tr:last-child td { border-bottom: none; }
.table .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; text-align: right; }
.table .actions { text-align: right; white-space: nowrap; }
.table .actions a {
    display: inline-block;
    padding: 4px 8px;
    margin-left: 4px;
    border-radius: 4px;
    font-size: 11px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: .05em;
    font-weight: 600;
}
.table .actions a.edit {
    background: rgba(58,143,191,.12);
    color: var(--c-loc);
}
.table .actions a.edit:hover { background: var(--c-loc); color: #fff; }
.table .actions a.del {
    background: rgba(209,69,69,.12);
    color: var(--c-danger);
}
.table .actions a.del:hover { background: var(--c-danger); color: #fff; }

/* ============================================================================
   BADGES
   ============================================================================ */
.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 12px;
    font-size: 10px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: .06em;
    font-weight: 600;
    border: 1px solid var(--c-border-2);
    color: var(--c-text-dim);
}
.badge.ter { background: rgba(196,127,58,.12); color: var(--c-ter); border-color: rgba(196,127,58,.3); }
.badge.loc { background: rgba(58,143,191,.12); color: var(--c-loc); border-color: rgba(58,143,191,.3); }
.badge.agr { background: rgba(107,157,74,.12); color: var(--c-agr); border-color: rgba(107,157,74,.3); }
.badge.success { background: rgba(78,174,92,.12); color: var(--c-success); border-color: rgba(78,174,92,.3); }
.badge.warning { background: rgba(217,163,62,.12); color: var(--c-warning); border-color: rgba(217,163,62,.3); }
.badge.danger  { background: rgba(209,69,69,.12); color: var(--c-danger);  border-color: rgba(209,69,69,.3); }
.badge.info    { background: rgba(74,144,184,.12); color: var(--c-info);    border-color: rgba(74,144,184,.3); }

/* ============================================================================
   FILTRES
   ============================================================================ */
.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    align-items: end;
}
.filter-bar .form-group { margin-bottom: 0; min-width: 160px; }

.empty-state {
    padding: 60px 20px;
    text-align: center;
    color: var(--c-text-mute);
}
.empty-state-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: .4;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 900px) {
    .app-layout {
        grid-template-columns: 1fr;
        grid-template-areas:
            "header"
            "main";
    }
    .app-sidebar {
        position: fixed;
        top: 0; left: 0;
        width: var(--sidebar-w);
        height: 100vh;
        z-index: 100;
        transform: translateX(-100%);
        transition: transform .25s ease;
    }
    .app-sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.6);
        z-index: 99;
        display: none;
    }
    .sidebar-overlay.open { display: block; }
    .btn-burger { display: block; }
    .app-main { padding: 18px 16px; }
    .page-title { font-size: 18px; }
    .table { min-width: 520px; }
}

@media (max-width: 600px) {
    .page-actions { width: 100%; }
    .page-actions .btn { flex: 1; }
    .stat-value { font-size: 22px; }
}

/* ============================================================================
   UTILITAIRES
   ============================================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-mono { font-family: var(--font-mono); }
.text-dim { color: var(--c-text-dim); }
.text-mute { color: var(--c-text-mute); }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.flex { display: flex; } .flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; }