/* =====================================================================
   GavaFloti - Design system
   ===================================================================== */

/* --- 1. Design tokens --------------------------------------------------- */
:root {
    --color-primary: #3457d5;
    --color-primary-dark: #2540a8;
    --color-primary-light: #eaefff;
    --color-accent: #17b0a7;
    --color-accent-light: #e3f8f6;

    --color-success: #1da463;
    --color-success-light: #e6f7ee;
    --color-warning: #b8790a;
    --color-warning-light: #fff4e0;
    --color-danger: #e5484d;
    --color-danger-light: #fdeced;
    --color-info: #3b82f6;
    --color-info-light: #e8f1ff;

    --color-bg: #f4f6fb;
    --color-surface: #ffffff;
    --color-surface-alt: #f8f9fc;
    --color-border: #e4e8f1;
    --color-text: #1c2433;
    --color-text-muted: #6b7385;
    --color-text-faint: #9aa1b2;

    --nav-bg: #101b36;
    --nav-bg-alt: #16234a;
    --nav-text: #aab4d4;
    --nav-text-active: #ffffff;
    --navbar-height: 66px;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-sm: 0 1px 2px rgba(16, 27, 54, 0.06);
    --shadow-md: 0 6px 20px rgba(16, 27, 54, 0.08);
    --shadow-lg: 0 16px 40px rgba(16, 27, 54, 0.14);

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
    --transition: 180ms ease;
    --gradient-brand: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 130%);
}

:root[data-theme="dark"] {
    --color-bg: #0d1424;
    --color-surface: #141d33;
    --color-surface-alt: #182140;
    --color-border: #26304d;
    --color-text: #e7eaf3;
    --color-text-muted: #99a2ba;
    --color-text-faint: #6c7591;

    --color-primary-light: #1c2748;
    --color-accent-light: #123632;
    --color-success-light: #10301f;
    --color-warning-light: #322407;
    --color-danger-light: #391418;
    --color-info-light: #10233f;

    --nav-bg: #0a1226;
    --nav-bg-alt: #0f1a34;
}

/* --- 2. Reset & base ----------------------------------------------------- */
* , *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    transition: background var(--transition), color var(--transition);
}

h1, h2, h3, h4, h5, h6 { margin: 0 0 .5em; font-weight: 650; line-height: 1.25; letter-spacing: -.01em; }
h1 { font-size: 1.65rem; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
hr { border: none; border-top: 1px solid var(--color-border); margin: 1.5rem 0; }

.icon { width: 18px; height: 18px; flex-shrink: 0; }
.icon-lg { width: 24px; height: 24px; }
.icon-sm { width: 14px; height: 14px; }

::selection { background: var(--color-primary); color: #fff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 10px; }

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* --- 3. App shell & top navigation --------------------------------------- */
/* Toutes les classes ci-dessous sont prefixees "topnav-" a dessein : Bootstrap
   possede deja ses propres composants .navbar/.navbar-nav/.nav-link/.navbar-brand
   (charges avant ce fichier) avec des styles par defaut incompatibles (notamment
   .navbar-nav en flex-direction:column tant que .navbar-expand-* n'est pas present).
   Reutiliser ces noms provoquait un menu casse ; on evite donc toute collision. */
.app-shell { display: flex; flex-direction: column; min-height: 100vh; }

.topnav {
    position: sticky;
    top: 0;
    z-index: 200;
    background: linear-gradient(135deg, var(--nav-bg) 0%, var(--nav-bg-alt) 100%);
    box-shadow: var(--shadow-md);
}
.topnav-row {
    height: var(--navbar-height);
    max-width: 1560px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: .9rem;
    padding: 0 1.4rem;
}

.topnav-toggle {
    display: none;
    width: 40px; height: 40px; flex-shrink: 0;
    align-items: center; justify-content: center;
    border-radius: var(--radius-sm); border: 1px solid transparent;
    background: transparent; color: #fff; cursor: pointer;
    transition: background var(--transition);
}
.topnav-toggle:hover { background: rgba(255,255,255,.1); }

.topnav-brand {
    display: flex; align-items: center; gap: .65rem;
    color: #fff; font-weight: 750; font-size: 1.02rem; letter-spacing: -.01em;
    flex-shrink: 0; white-space: nowrap; margin: 0; padding: 0;
}
.topnav-brand:hover { color: #fff; text-decoration: none; }
.topnav-brand-mark {
    width: 36px; height: 36px; object-fit: contain; border-radius: 9px;
    background: rgba(255,255,255,.1); padding: 5px; flex-shrink: 0;
}

.topnav-menu { display: flex; align-items: center; gap: .25rem; flex: 1; min-width: 0; margin: 0; padding: 0; list-style: none; }
.topnav-group { position: relative; }

.topnav-link {
    display: flex; align-items: center; gap: .5rem;
    padding: .58rem .85rem; border-radius: 999px;
    color: var(--nav-text); font-size: .85rem; font-weight: 600;
    background: none; border: 1px solid transparent; font-family: inherit; cursor: pointer;
    white-space: nowrap; appearance: none; margin: 0; text-align: left;
    transition: background var(--transition), color var(--transition);
}
.topnav-link:hover { background: rgba(255,255,255,.08); color: #fff; text-decoration: none; }
.topnav-link.active { background: var(--gradient-brand); color: #fff; box-shadow: var(--shadow-sm); }
.topnav-link .icon { opacity: .95; flex-shrink: 0; }
.topnav-caret { transition: transform var(--transition); opacity: .8; }
.topnav-group:has(.topnav-dropdown.open) .topnav-caret { transform: rotate(180deg); }

.topnav-dropdown { left: 0; right: auto; min-width: 230px; }

.topnav-actions { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }
.topnav .icon-btn { color: var(--nav-text); }
.topnav .icon-btn:hover { background: rgba(255,255,255,.1); border-color: transparent; color: #fff; }
.topnav .icon-btn .dot { border-color: var(--nav-bg-alt); }
.topnav .user-chip { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.12); }
.topnav .user-chip:hover { background: rgba(255,255,255,.14); }
.topnav .user-chip-name { color: #fff; }
.topnav .user-chip-role { color: var(--nav-text); }

.topnav-overlay { display: none; position: fixed; inset: 0; top: var(--navbar-height); background: rgba(8,12,24,.5); z-index: 150; }
.topnav-overlay.open { display: block; }

.icon-btn {
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    background: transparent; border: 1px solid transparent; color: var(--color-text-muted);
    cursor: pointer; position: relative; transition: background var(--transition), border-color var(--transition);
}
.icon-btn:hover { background: var(--color-surface-alt); border-color: var(--color-border); color: var(--color-text); }
.icon-btn .dot {
    position: absolute; top: 6px; right: 6px; width: 8px; height: 8px; border-radius: 50%;
    background: var(--color-danger); border: 2px solid var(--color-surface);
}

.user-chip { display: flex; align-items: center; gap: .6rem; padding: .35rem .6rem .35rem .35rem; border-radius: 999px; cursor: pointer; border: 1px solid var(--color-border); background: var(--color-surface); }
.user-chip:hover { background: var(--color-surface-alt); text-decoration: none; }
.avatar {
    width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
    background: var(--gradient-brand);
    color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .8rem;
}
.user-chip-info { line-height: 1.2; }
.user-chip-name { font-size: .82rem; font-weight: 600; color: var(--color-text); }
.user-chip-role { font-size: .7rem; color: var(--color-text-muted); }

.content { padding: 1.6rem; flex: 1; max-width: 1560px; margin: 0 auto; width: 100%; }

/* --- 4. Page heading ------------------------------------------------------ */
.page-head {
    display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
    margin-bottom: 1.4rem; flex-wrap: wrap;
}
.page-head h1 { margin-bottom: .2rem; }
.page-head .subtitle { color: var(--color-text-muted); font-size: .88rem; }
.breadcrumb { font-size: .78rem; color: var(--color-text-faint); margin-bottom: .3rem; }
.breadcrumb a { color: var(--color-text-muted); }
.page-actions { display: flex; gap: .6rem; flex-wrap: wrap; }

/* --- 5. Cards -------------------------------------------------------------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}
.card-header {
    padding: 1.1rem 1.4rem; border-bottom: 1px solid var(--color-border);
    display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.card-header h2, .card-header h3 { margin: 0; }
.card-body { padding: 1.4rem; }
.card-footer { padding: 1rem 1.4rem; border-top: 1px solid var(--color-border); }

/* --- 6. KPI grid ------------------------------------------------------------ */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1rem; margin-bottom: 1.6rem; }
.kpi-card {
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
    padding: 1.2rem; display: flex; align-items: flex-start; gap: .9rem; box-shadow: var(--shadow-sm);
    position: relative; overflow: hidden; transition: transform var(--transition), box-shadow var(--transition);
}
.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.kpi-icon {
    width: 44px; height: 44px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
    background: var(--color-primary-light); color: var(--color-primary); flex-shrink: 0;
}
.kpi-icon.c-accent { background: var(--color-accent-light); color: var(--color-accent); }
.kpi-icon.c-success { background: var(--color-success-light); color: var(--color-success); }
.kpi-icon.c-warning { background: var(--color-warning-light); color: var(--color-warning); }
.kpi-icon.c-danger { background: var(--color-danger-light); color: var(--color-danger); }
.kpi-icon.c-info { background: var(--color-info-light); color: var(--color-info); }
.kpi-body { min-width: 0; }
.kpi-value { font-size: 1.5rem; font-weight: 750; letter-spacing: -.02em; line-height: 1.15; }
.kpi-label { font-size: .78rem; color: var(--color-text-muted); margin-top: .15rem; }
.kpi-trend { font-size: .72rem; margin-top: .35rem; display: inline-flex; align-items: center; gap: .25rem; font-weight: 600; }
.kpi-trend.up { color: var(--color-success); }
.kpi-trend.down { color: var(--color-danger); }

.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.2rem; margin-bottom: 1.6rem; }
.chart-card .card-body { padding: 1.2rem 1.4rem 1.4rem; }
.chart-empty { color: var(--color-text-faint); font-size: .85rem; text-align: center; padding: 2.5rem 0; }
.chart-legend { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .8rem; font-size: .76rem; color: var(--color-text-muted); }
.chart-legend span { display: inline-flex; align-items: center; gap: .35rem; }
.legend-dot { width: 9px; height: 9px; border-radius: 3px; display: inline-block; }

/* --- 7. Buttons -------------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    padding: .6rem 1.1rem; border-radius: var(--radius-sm); font-size: .85rem; font-weight: 600;
    border: 1px solid transparent; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    line-height: 1.2; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--gradient-brand); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { box-shadow: 0 6px 16px rgba(52, 87, 213, .32); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-outline:hover { background: var(--color-surface-alt); border-color: var(--color-text-faint); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #cc383d; }
.btn-danger-outline { background: transparent; border-color: var(--color-danger); color: var(--color-danger); }
.btn-danger-outline:hover { background: var(--color-danger-light); }
.btn-ghost { background: transparent; color: var(--color-text-muted); }
.btn-ghost:hover { background: var(--color-surface-alt); color: var(--color-text); }
.btn-sm { padding: .4rem .75rem; font-size: .78rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

.btn-icon { width: 38px; height: 38px; padding: 0; border-radius: var(--radius-sm); flex-shrink: 0; }

/* --- 8. Forms (Bootstrap grid + form controls, retheme sur-mesure) ------------------- */
/* La structure (row/col, form-control, form-select, invalid-feedback...) vient de
   Bootstrap (assets/vendor/bootstrap/) charge avant ce fichier ; on retheme ici
   uniquement les composants pour qu'ils suivent la charte GavaFloti. */

label, .form-label { font-size: .8rem; font-weight: 600; color: var(--color-text); margin-bottom: .35rem; display: inline-block; }
.form-label .optional, label .optional { font-weight: 400; color: var(--color-text-faint); }
.hint, .form-text { font-size: .72rem; color: var(--color-text-faint); margin-top: .3rem; }

.form-control, .form-select {
    padding: .62rem .9rem; border-radius: var(--radius-sm);
    border: 1.5px solid var(--color-border); background-color: var(--color-surface); color: var(--color-text);
    font-family: inherit; font-size: .87rem; transition: border-color var(--transition), box-shadow var(--transition);
    min-height: 42px;
}
.form-control::placeholder { color: var(--color-text-faint); opacity: 1; }
textarea.form-control { min-height: 90px; resize: vertical; }
.form-control:hover, .form-select:hover { border-color: var(--color-text-faint); }
.form-control:focus, .form-select:focus {
    border-color: var(--color-primary); box-shadow: 0 0 0 .2rem var(--color-primary-light);
    background-color: var(--color-surface); color: var(--color-text);
}
.form-control:disabled, .form-select:disabled, .form-control[readonly] {
    background-color: var(--color-surface-alt); color: var(--color-text-muted); opacity: 1;
}
.form-control.is-invalid, .form-select.is-invalid { border-color: var(--color-danger); background-image: none; }
.form-control.is-invalid:focus, .form-select.is-invalid:focus { box-shadow: 0 0 0 .2rem var(--color-danger-light); }
.invalid-feedback { font-size: .72rem; color: var(--color-danger); margin-top: .3rem; }
.form-control[type=file] { padding: .5rem .85rem; }

.input-group-text {
    background-color: var(--color-surface-alt); border: 1.5px solid var(--color-border);
    color: var(--color-text-muted); font-size: .82rem;
}

.form-check-input { border-color: var(--color-border); width: 1.15em; height: 1.15em; }
.form-check-input:checked { background-color: var(--color-primary); border-color: var(--color-primary); }
.form-check-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 .2rem var(--color-primary-light); }
.form-check-label { font-size: .85rem; color: var(--color-text); }

fieldset { border: 1.5px solid var(--color-border); border-radius: var(--radius-md); padding: 1.2rem 1.2rem .6rem; margin: 0 0 1.3rem; }
legend { padding: 0 .6rem; font-weight: 700; font-size: .85rem; float: none; width: auto; color: var(--color-primary-dark); }

.form-actions { display: flex; gap: .7rem; margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid var(--color-border); flex-wrap: wrap; }

.computed-field { background-color: var(--color-primary-light) !important; font-weight: 700; color: var(--color-primary-dark); border-color: var(--color-primary-light) !important; }

/* Barre de filtres (au-dessus des tables) */
.filter-bar { margin-bottom: 1.1rem; }
.filter-bar .form-label { margin-bottom: .25rem; color: var(--color-text-muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .03em; }
.filter-bar .btn { white-space: nowrap; }

/* --- 9. Tables ----------------------------------------------------------------- */
.table-toolbar { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; }
.table-filters { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.search-box { position: relative; min-width: 220px; }
.search-box .icon { position: absolute; left: .75rem; top: 50%; transform: translateY(-50%); color: var(--color-text-faint); }
.search-box input { padding-left: 2.3rem; }
.table-filters select, .table-filters input { min-width: 150px; }

.table-scroll { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--color-border); background: var(--color-surface); -webkit-overflow-scrolling: touch; }
table.data-table { width: 100%; border-collapse: collapse; font-size: .85rem; min-width: 640px; }
table.data-table th, table.data-table td { padding: .85rem 1rem; text-align: left; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
table.data-table td.wrap { white-space: normal; }
table.data-table thead th {
    background: var(--color-surface-alt); font-size: .72rem; text-transform: uppercase; letter-spacing: .04em;
    color: var(--color-text-muted); font-weight: 700; position: sticky; top: 0;
}
table.data-table thead th a { color: inherit; display: inline-flex; align-items: center; gap: .3rem; }
table.data-table tbody tr { transition: background var(--transition); }
table.data-table tbody tr:hover { background: var(--color-surface-alt); }
table.data-table tbody tr:last-child td { border-bottom: none; }
.table-actions { display: flex; gap: .35rem; justify-content: flex-end; }
.cell-strong { font-weight: 650; color: var(--color-text); }
.cell-muted { color: var(--color-text-muted); }
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--color-text-muted); }
.empty-state .icon { width: 42px; height: 42px; margin: 0 auto 1rem; color: var(--color-text-faint); }

.pagination { display: flex; gap: .3rem; align-items: center; flex-wrap: wrap; margin-top: 1.1rem; }
.page-btn {
    min-width: 36px; height: 36px; padding: 0 .6rem; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
    display: inline-flex; align-items: center; justify-content: center; font-size: .8rem; color: var(--color-text);
    background: var(--color-surface); transition: background var(--transition), border-color var(--transition);
}
.page-btn:hover { background: var(--color-surface-alt); text-decoration: none; }
.page-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.page-btn.disabled { opacity: .4; pointer-events: none; }
.page-dots { padding: 0 .3rem; color: var(--color-text-faint); }
.results-count { font-size: .78rem; color: var(--color-text-muted); }

/* --- 10. Badges & status -------------------------------------------------------- */
.badge {
    display: inline-flex; align-items: center; gap: .3rem; padding: .25rem .6rem; border-radius: 999px;
    font-size: .72rem; font-weight: 650;
}
.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-light); color: var(--color-danger); }
.badge-info { background: var(--color-info-light); color: var(--color-info); }
.badge-neutral { background: var(--color-surface-alt); color: var(--color-text-muted); border: 1px solid var(--color-border); }
.badge-role { background: var(--color-primary-light); color: var(--color-primary); }
.badge-count {
    margin-left: auto; background: var(--color-danger); color: #fff;
    font-size: .68rem; font-weight: 700; padding: .1rem .45rem; border-radius: 999px;
}

/* --- 11. Alerts / flash messages -------------------------------------------------- */
.flash-stack { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.2rem; }
.alert {
    display: flex; align-items: flex-start; gap: .7rem; padding: .85rem 1.05rem; border-radius: var(--radius-sm);
    font-size: .85rem; border: 1px solid transparent;
}
.alert .icon { margin-top: 1px; }
.alert-success { background: var(--color-success-light); color: var(--color-success); border-color: color-mix(in srgb, var(--color-success) 25%, transparent); }
.alert-error { background: var(--color-danger-light); color: var(--color-danger); border-color: color-mix(in srgb, var(--color-danger) 25%, transparent); }
.alert-warning { background: var(--color-warning-light); color: var(--color-warning); border-color: color-mix(in srgb, var(--color-warning) 25%, transparent); }
.alert-info { background: var(--color-info-light); color: var(--color-info); border-color: color-mix(in srgb, var(--color-info) 25%, transparent); }
.alert-close { margin-left: auto; background: none; border: none; cursor: pointer; color: inherit; opacity: .7; }
.alert-close:hover { opacity: 1; }

/* --- 12. Tabs ------------------------------------------------------------------------ */
.tabs { display: flex; gap: .3rem; border-bottom: 1px solid var(--color-border); margin-bottom: 1.4rem; flex-wrap: wrap; overflow-x: auto; }
.tabs a { padding: .7rem 1rem; font-size: .85rem; font-weight: 600; color: var(--color-text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover { color: var(--color-text); text-decoration: none; }
.tabs a.active { color: var(--color-primary); border-color: var(--color-primary); }

/* --- 13. Detail / view layout ---------------------------------------------------------- */
.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1.2rem; align-items: start; }
.detail-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.detail-item .k { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-faint); margin-bottom: .25rem; }
.detail-item .v { font-size: .92rem; font-weight: 600; }
.timeline { display: flex; flex-direction: column; gap: 1rem; }
.timeline-item { display: flex; gap: .8rem; }
.timeline-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-primary); margin-top: .35rem; flex-shrink: 0; }
.timeline-item .meta { font-size: .72rem; color: var(--color-text-faint); }

/* --- 14. Dropdown / modal ---------------------------------------------------------------- */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute; right: 0; top: calc(100% + 10px); background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); box-shadow: var(--shadow-lg); min-width: 220px; padding: .5rem; z-index: 250;
    display: none;
}
.dropdown-menu.open { display: block; animation: dropdown-in 140ms ease; }
@keyframes dropdown-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
.dropdown-menu a, .dropdown-menu button {
    display: flex; align-items: center; gap: .6rem; width: 100%; text-align: left; padding: .55rem .7rem; border-radius: var(--radius-sm);
    font-size: .84rem; color: var(--color-text); background: none; border: none; cursor: pointer; font-family: inherit;
}
.dropdown-menu a:hover, .dropdown-menu button:hover { background: var(--color-surface-alt); text-decoration: none; }
.dropdown-divider { height: 1px; background: var(--color-border); margin: .4rem 0; }

.modal-overlay {
    position: fixed; inset: 0; background: rgba(8,12,24,.5); display: none; align-items: center; justify-content: center;
    z-index: 300; padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal { background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); max-width: 440px; width: 100%; }
.modal-header { padding: 1.3rem 1.4rem .6rem; }
.modal-body { padding: 0 1.4rem 1rem; color: var(--color-text-muted); font-size: .88rem; }
.modal-footer { padding: 1rem 1.4rem 1.4rem; display: flex; gap: .7rem; justify-content: flex-end; flex-wrap: wrap; }

/* --- 15. Login page ------------------------------------------------------------------------ */
.auth-page {
    min-height: 100vh; display: flex; align-items: stretch; background: var(--color-bg);
}
.auth-visual {
    flex: 1.1; background: radial-gradient(circle at 20% 20%, #3f63e8 0%, #1a2c66 55%, #0c1330 100%);
    color: #fff; display: flex; flex-direction: column; justify-content: space-between; padding: 3rem;
    position: relative; overflow: hidden;
}
.auth-visual::after {
    content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,.12); right: -160px; bottom: -160px;
}
.auth-visual::before {
    content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,.1); right: -60px; bottom: -60px;
}
.auth-logo-visual { width: 160px; height: auto; margin-bottom: 1.4rem; position: relative; z-index: 1; filter: brightness(0) invert(1) drop-shadow(0 4px 14px rgba(0,0,0,.25)); }
.auth-visual-tagline { color: rgba(255,255,255,.78); max-width: 380px; position: relative; z-index: 1; font-size: .95rem; }
.auth-stats { display: flex; gap: 1.6rem; position: relative; z-index: 1; flex-wrap: wrap; }
.auth-stats div strong { display: block; font-size: 1.4rem; }
.auth-stats div span { font-size: .74rem; color: rgba(255,255,255,.7); }

.auth-form-wrap { flex: 1; display: flex; align-items: center; justify-content: center; padding: 2rem; }
.auth-form { width: 100%; max-width: 380px; }
.auth-logo-full { max-width: 170px; width: 100%; height: auto; margin-bottom: 1.4rem; }
.auth-form h1 { margin-bottom: .3rem; }
.auth-form .subtitle { color: var(--color-text-muted); margin-bottom: 1.8rem; font-size: .9rem; }
.auth-footer-note { margin-top: 1.6rem; font-size: .76rem; color: var(--color-text-faint); text-align: center; }
.auth-footer-note a { color: var(--color-text-muted); font-weight: 600; }

/* --- 16. Utility ------------------------------------------------------------------------------ */
.text-muted { color: var(--color-text-muted); }
.text-faint { color: var(--color-text-faint); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.flex { display: flex; }
.gap-sm { gap: .5rem; }
.items-center { align-items: center; }
.w-full { width: 100%; }
.d-none { display: none; }

/* --- 17. Responsive --------------------------------------------------------------------------- */

/* Navigation bascule en menu mobile (hamburger + panneau plein largeur) */
@media (max-width: 1180px) {
    .topnav-toggle { display: flex; }

    .topnav-menu {
        position: fixed;
        top: var(--navbar-height);
        left: 0; right: 0;
        z-index: 190;
        flex-direction: column;
        align-items: stretch;
        gap: .15rem;
        background: var(--nav-bg-alt);
        padding: .7rem;
        max-height: calc(100vh - var(--navbar-height));
        overflow-y: auto;
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        pointer-events: none;
        transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    }
    .topnav-menu.open { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }

    .topnav-link, .topnav-group { width: 100%; }
    .topnav-link { border-radius: var(--radius-sm); }
    .topnav-group-trigger { justify-content: space-between; }

    .topnav-dropdown {
        position: static; display: none; width: 100%; min-width: 0;
        background: rgba(0,0,0,.18); border: none; box-shadow: none;
        margin: .1rem 0 .35rem; padding: .3rem;
    }
    .topnav-dropdown.open { display: block; animation: none; }
    .topnav-dropdown a { color: var(--nav-text); }
    .topnav-dropdown a:hover, .topnav-dropdown a.active { background: rgba(255,255,255,.1); color: #fff; }
}

@media (min-width: 1181px) {
    .topnav-overlay { display: none !important; }
}

@media (max-width: 1080px) {
    .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 960px) {
    .topnav-row { padding: 0 1rem; gap: .6rem; }
    .content { padding: 1.1rem; }
    .auth-visual { display: none; }
}

@media (max-width: 640px) {
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .page-head { flex-direction: column; }
    .page-actions { width: 100%; }
    .page-actions .btn { flex: 1; }
    .table-toolbar { flex-direction: column; align-items: stretch; }
    .form-actions { flex-direction: column-reverse; }
    .form-actions .btn { width: 100%; }
    .user-chip-info { display: none; }
    .topnav-brand-name { display: none; }
    .modal-footer { flex-direction: column-reverse; }
    .modal-footer .btn { width: 100%; }
}

@media (max-width: 420px) {
    .kpi-grid { grid-template-columns: 1fr; }
}

@media (hover: none) {
    .btn, .form-control, .form-select, .topnav-link, .page-btn { min-height: 42px; }
}