/* =========================================================================
   PC-ERP — Design system "Pacific Editorial"
   Direction : éditorial / refined / pacific. Serif déplacée pour les titres,
   sans-serif technique pour le corps, accent terre brûlée comme contrepoint
   au bleu marine du logo. Densité contrôlée, tabular-nums sur les montants.
   ========================================================================= */

/* Fonts — chargées via <link rel="preload"> dans le layout pour éviter le FOUT.
   Fallbacks system stack pour que rien ne casse si la requête CDN échoue. */

:root {
    /* === Couleurs : marque PC + accent terre brûlée === */
    --color-primary:       #204B75;
    --color-primary-hover: #2B5E8F;
    --color-primary-dark:  #163654;
    --color-primary-ultra: #F3F7FB;
    --color-primary-soft:  #E2EBF4;

    /* Accent éditorial : terre cuite chaude (NC, lagune, soleil sans cliché) */
    --color-accent:        #C8623A;
    --color-accent-hover:  #B05530;
    --color-accent-soft:   #FBEEE6;

    --color-secondary:     #807D7D;
    --color-secondary-light:#ECEBEB;

    --color-success:       #2E8B57;
    --color-success-hover: #267548;
    --color-success-dark:  #1E7842;  /* texte sur fond -soft */
    --color-success-soft:  #E5F4EA;
    --color-warning:       #C99A2E;
    --color-warning-hover: #A87D1F;
    --color-warning-dark:  #7D5E15;  /* texte sur fond -soft */
    --color-warning-soft:  #FBF2DF;
    --color-danger:        #B33A3A;
    --color-danger-hover:  #962F2F;
    --color-danger-dark:   #7E2828;  /* texte sur fond -soft */
    --color-danger-soft:   #F9E5E5;
    --color-info:          #1E78C2;
    --color-info-hover:    #195F9C;
    --color-info-dark:     #13547F;  /* texte sur fond -soft */
    --color-info-soft:     #E1F0FB;

    --color-text:          #1A2332;
    --color-text-soft:     #4A5566;
    --color-text-muted:    #8892A0;
    --color-border:        #E2E6EC;
    --color-border-soft:   #EEF0F4;
    --color-bg:            #F5F7FA;
    --color-bg-subtle:     #FAFBFC;
    --color-surface:       #FFFFFF;

    /* === Échelle border-radius === */
    --radius-xs: 3px;
    --radius-sm: 4px;
    --radius:    6px;
    --radius-lg: 10px;
    --radius-xl: 16px;
    --radius-pill: 999px;

    /* === Ombres : plus subtiles, teintées primary === */
    --shadow-xs: 0 1px 2px rgba(22, 54, 84, 0.04);
    --shadow-sm: 0 1px 3px rgba(22, 54, 84, 0.06), 0 1px 2px rgba(22, 54, 84, 0.04);
    --shadow:    0 4px 12px rgba(22, 54, 84, 0.07), 0 2px 4px rgba(22, 54, 84, 0.04);
    --shadow-lg: 0 16px 32px rgba(22, 54, 84, 0.10), 0 4px 8px rgba(22, 54, 84, 0.05);
    --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, .6);

    /* === Échelle d'espacement (4px base) === */
    --sp-0:  0;
    --sp-1:  4px;
    --sp-2:  8px;
    --sp-3:  12px;
    --sp-4:  16px;
    --sp-5:  20px;
    --sp-6:  24px;
    --sp-7:  32px;
    --sp-8:  40px;
    --sp-9:  56px;
    --sp-10: 72px;

    /* === Échelle typographique (rem) === */
    --text-xs:   0.75rem;     /* 12px — meta, labels secondaires */
    --text-sm:   0.8125rem;   /* 13px — texte secondaire */
    --text-base: 0.875rem;    /* 14px — corps de texte (par défaut body) */
    --text-md:   0.9375rem;   /* 15px — texte légèrement plus grand */
    --text-lg:   1rem;        /* 16px — H4 */
    --text-xl:   1.125rem;    /* 18px — H3 */
    --text-2xl:  1.375rem;    /* 22px — H2 */
    --text-3xl:  1.75rem;     /* 28px — H1 */
    --text-4xl:  2.25rem;     /* 36px — Display KPI */
    --text-5xl:  3rem;        /* 48px — Display large */

    /* === Polices ===
       Une seule police sans-serif sur tout l'ERP : Geist Sans (Vercel).
       Lisible, moderne, dense, parfaite pour les UIs métier.
       Geist Mono pour les références (FAC-XXX, RIDET, codes). */
    --font-display: "Geist", system-ui, -apple-system, "Segoe UI", "Helvetica Neue", sans-serif;
    --font-body:    "Geist", system-ui, -apple-system, "Segoe UI", "Helvetica Neue", sans-serif;
    --font-mono:    "Geist Mono", ui-monospace, SFMono-Regular, "SF Mono", Consolas, Menlo, monospace;
    /* Alias historique conservé pour rétro-compat */
    --font-sans:    var(--font-body);

    /* === Layout === */
    --header-h: 60px;
    --sidebar-w: 260px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.55;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "ss02", "cv11";
    text-rendering: optimizeLegibility;
}

/* === Titres : Geist Sans (même police que le corps), poids varié ===
   - Une seule police pour tout l'ERP → cohérence et lisibilité maximale
   - Hiérarchie marquée par taille + poids + letter-spacing serré
   - Pas de variations exotiques type optical sizing : sobriété + perf */
h1, h2, h3, h4, h5 {
    margin: 0 0 var(--sp-3);
    color: var(--color-text);
    font-family: var(--font-body);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.015em;
}
h1 {
    font-size: var(--text-3xl);
    font-weight: 700;
    letter-spacing: -0.025em;
}
h2 {
    font-size: var(--text-2xl);
    font-weight: 600;
    letter-spacing: -0.02em;
}
h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    letter-spacing: -0.01em;
}
h4 { font-size: var(--text-lg); font-weight: 600; letter-spacing: -0.005em; }
h5 { font-size: var(--text-base); font-weight: 600; letter-spacing: 0; text-transform: uppercase; color: var(--color-text-soft); }

p { margin: 0 0 var(--sp-3); }
a { color: var(--color-primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--color-primary-hover); text-decoration: underline; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 5px; border: 2px solid var(--color-bg); }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ============ Layout ============ */
.container { max-width: 1400px; margin: 0 auto; padding: var(--sp-6); }
.layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    min-height: calc(100vh - var(--header-h));
}
.main-content { padding: var(--sp-6); max-width: 100%; overflow-x: hidden; }

/* ============ Header ============ */
.app-header {
    position: sticky; top: 0; z-index: 40;
    height: var(--header-h);
    display: flex; align-items: center; gap: var(--sp-4);
    padding: 0 var(--sp-5);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}
.app-header .menu-toggle {
    display: none;
    background: none; border: none; cursor: pointer;
    padding: 8px; color: var(--color-text-soft);
    border-radius: var(--radius-sm);
}
.app-header .menu-toggle:hover { background: var(--color-bg); color: var(--color-primary); }

.app-header .brand {
    display: flex; align-items: center; gap: var(--sp-3);
    font-weight: 700; font-size: 1.05rem;
    color: var(--color-primary);
    text-decoration: none;
}
.app-header .brand:hover { text-decoration: none; }
.app-header .brand-logo { width: 34px; height: 34px; flex-shrink: 0; }
.app-header .brand-text { color: var(--color-primary-dark); font-weight: 700; letter-spacing: -0.01em; }
.app-header .brand-accent { color: var(--color-primary); font-weight: 500; }

.header-spacer { flex: 1; }

.app-header .user { display: flex; align-items: center; gap: var(--sp-2); }
.app-header .icon-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px;
    background: transparent; border: none;
    border-radius: var(--radius);
    color: var(--color-text-soft);
    cursor: pointer; transition: all .15s;
    text-decoration: none;
}
.app-header .icon-btn:hover { background: var(--color-primary-soft); color: var(--color-primary); }

.company-selector {
    padding: 7px 32px 7px 14px;
    font-size: .85rem; font-weight: 600;
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23204B75' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 10px center;
    border: 1px solid var(--color-primary-soft);
    border-radius: var(--radius);
    cursor: pointer;
    max-width: 220px;
    appearance: none;
}
.company-selector:hover { border-color: var(--color-primary); }
.company-badge {
    padding: 7px 14px;
    font-size: .85rem; font-weight: 600;
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    border-radius: var(--radius);
}

/* ============ Sidebar ============ */
.sidebar {
    position: sticky;
    top: var(--header-h);
    height: calc(100vh - var(--header-h));
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    z-index: 30;
}
.sidebar-nav { padding: var(--sp-4) var(--sp-3); }
.sidebar-section { margin-bottom: var(--sp-2); }
.sidebar-dashboard { margin-bottom: var(--sp-3); padding-bottom: var(--sp-3); border-bottom: 1px solid var(--color-border-soft); }
.sidebar-section h4 {
    font-size: .7rem; font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase; letter-spacing: 0.08em;
    margin: 0 var(--sp-3) var(--sp-2); padding: 0;
}

/* ===== Sections rétractables ===== */
.sidebar-collapsible { margin-bottom: 2px; }

.sidebar-section-header {
    /* Bouton plein-largeur, look identique à un sidebar-item mais sans padding-left du chevron */
    display: flex; align-items: center; gap: 10px;
    width: 100%;
    padding: 8px 12px;
    margin: 1px 0;
    background: transparent;
    border: 0;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    font-size: .82rem; font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase; letter-spacing: 0.05em;
    border-radius: var(--radius);
    transition: background .12s, color .12s;
}
.sidebar-section-header:hover {
    background: var(--color-primary-ultra);
    color: var(--color-primary-dark);
}
.sidebar-section-header svg { flex-shrink: 0; opacity: .7; transition: opacity .15s, transform .2s; }
.sidebar-section-header:hover svg { opacity: 1; }
.sidebar-section-header span { flex: 1; min-width: 0; }
.sidebar-section-header .chevron {
    margin-left: auto;
    opacity: .55;
    transition: transform .25s ease;
}
.sidebar-collapsible.is-open > .sidebar-section-header .chevron {
    transform: rotate(180deg);
}

/* Container des items : animation max-height + opacité */
.sidebar-section-items {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin-left: 14px;            /* indentation visuelle des sous-items */
    border-left: 1px solid var(--color-border-soft);
    padding-left: 6px;
    transition: max-height .28s ease, opacity .15s ease, margin-bottom .15s ease;
    margin-bottom: 0;
}
.sidebar-collapsible.is-open > .sidebar-section-items {
    /* Couvre les sections à 20+ entrées (Settings) sans tronquer silencieusement.
       Le scroll est géré par .sidebar (overflow-y: auto) — c'est la sidebar
       entière qui scrolle, pas la section individuelle. */
    max-height: 1500px;
    opacity: 1;
    margin-bottom: var(--sp-2);
}

/* Section avec un item actif → bandeau coloré sur le header pour repérage */
.sidebar-collapsible:has(.sidebar-item.active) > .sidebar-section-header {
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
}
.sidebar-collapsible:has(.sidebar-item.active) > .sidebar-section-header svg {
    opacity: 1; color: var(--color-primary);
}
.sidebar-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 12px;
    margin: 2px 0;
    font-size: .875rem; font-weight: 500;
    color: var(--color-text-soft);
    border-radius: var(--radius);
    text-decoration: none;
    transition: all .15s;
    position: relative;
}
.sidebar-item svg { flex-shrink: 0; opacity: .7; transition: opacity .15s; }
.sidebar-item:hover {
    background: var(--color-primary-ultra);
    color: var(--color-primary-dark);
    text-decoration: none;
}
.sidebar-item:hover svg { opacity: 1; }
.sidebar-item.active {
    background: var(--color-primary-soft);
    color: var(--color-primary-dark);
    font-weight: 600;
}
.sidebar-item.active svg { color: var(--color-primary); opacity: 1; }
.sidebar-item.active::before {
    content: '';
    position: absolute; left: 0; top: 20%; bottom: 20%;
    width: 3px; background: var(--color-primary);
    border-radius: 0 3px 3px 0;
}

/* Overlay cliquable pour fermer la sidebar mobile. Tint primary + blur léger
   plutôt que noir opaque pour rester cohérent avec le thème. */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(22, 54, 84, 0.4);
    backdrop-filter: blur(2px);
    z-index: 60;
    cursor: pointer;
}

/* Mobile sidebar drawer */
@media (max-width: 1023px) {
    :root { --sidebar-w: 0px; }
    .app-header .menu-toggle { display: inline-flex; }
    .app-header .brand-text { display: none; }
    .layout { grid-template-columns: 1fr; }
    .sidebar {
        position: fixed;
        top: var(--header-h); left: 0;
        width: 280px;
        height: calc(100vh - var(--header-h));
        transform: translateX(-100%);
        transition: transform .25s ease-out;
        box-shadow: var(--shadow-lg);
        z-index: 70;
    }
    body.sidebar-open .sidebar { transform: translateX(0); }
    body.sidebar-open .sidebar-overlay { display: block; }
    body.sidebar-open { overflow: hidden; }
    .main-content { padding: var(--sp-4); }
    .company-selector { max-width: 140px; font-size: .8rem; padding: 6px 24px 6px 10px; }
}

/* ============ Cards ============ */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--sp-5);
    box-shadow: var(--shadow-xs);
    margin-bottom: var(--sp-4);
    transition: box-shadow .2s;
}
.card:hover { box-shadow: var(--shadow-sm); }
.card-header {
    display: flex; justify-content: space-between; align-items: center;
    gap: var(--sp-3); margin-bottom: var(--sp-4);
}
.card-header h2, .card-header h3 { margin: 0; }

/* ============ Forms ============ */
.form-group { margin-bottom: var(--sp-4); }
.form-group label {
    display: block; font-weight: 500; font-size: .875rem;
    color: var(--color-text-soft); margin-bottom: 6px;
}
.form-control,
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=datetime-local], input[type=time], input[type=tel],
input[type=url], input[type=search], input[type=file],
select, textarea {
    display: block; width: 100%;
    padding: 8px 12px;
    font: inherit; font-size: .925rem;
    line-height: 1.4;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color .15s, box-shadow .15s;
    appearance: none;
    -webkit-appearance: none;
    box-sizing: border-box;
}
/* Aligner les inputs sur la hauteur des boutons (38px) pour un rythme vertical
   constant en formulaire/barre de filtres. textarea reste auto. */
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=datetime-local], input[type=time], input[type=tel],
input[type=url], input[type=search], input[type=file],
select { min-height: 38px; }
/* Empêche Safari/Webkit d'imposer une apparence native sur les recherches/dates */
input[type=search]::-webkit-search-decoration,
input[type=search]::-webkit-search-cancel-button,
input[type=search]::-webkit-search-results-button,
input[type=search]::-webkit-search-results-decoration { -webkit-appearance: none; }
input[type=date]::-webkit-calendar-picker-indicator { cursor: pointer; opacity: .6; }
textarea { resize: vertical; min-height: 80px; }
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238892A0' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 12px center;
    padding-right: 36px;
}
.form-control:hover, input:hover:not([disabled]), select:hover:not([disabled]), textarea:hover:not([disabled]) { border-color: var(--color-text-muted); }
.form-control:focus, input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(32, 75, 117, 0.15);
}
.form-control[disabled], input[disabled], select[disabled], textarea[disabled] {
    background: var(--color-bg-subtle); color: var(--color-text-muted); cursor: not-allowed;
}
.form-error { color: var(--color-danger); font-size: .8rem; margin-top: 4px; }
.form-help { color: var(--color-text-muted); font-size: .8rem; margin-top: 4px; }

input[type=checkbox], input[type=radio] {
    appearance: auto; width: 16px; height: 16px;
    margin: 0 6px 0 0; vertical-align: middle;
    accent-color: var(--color-primary);
}

/* ============ Buttons ============
   Contrat de couleur :
     - fond foncé (primary/success/danger/warning) → texte blanc (#fff)
     - fond clair (.secondary) → texte var(--color-text) sombre
   Hauteur : pilotée par `min-height` pour que tous les boutons d'une même
   variante soient strictement alignés, indépendamment du contenu (icône,
   texte court, label long sur 1 ligne).
*/
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    min-height: 38px;
    padding: 0 18px;
    font-size: .9rem; font-weight: 600; line-height: 1.3;
    color: #fff;
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius);
    cursor: pointer; transition: all .15s;
    text-decoration: none; white-space: nowrap;
    box-shadow: var(--shadow-xs);
    vertical-align: middle;
}
.btn:hover {
    background: var(--color-primary-hover); border-color: var(--color-primary-hover);
    color: #fff; text-decoration: none;
    transform: translateY(-1px); box-shadow: var(--shadow-sm);
}
.btn:active { transform: translateY(0); box-shadow: var(--shadow-xs); }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.btn.secondary {
    color: var(--color-text);
    background: var(--color-surface);
    border-color: var(--color-border);
}
.btn.secondary:hover {
    color: var(--color-primary-dark);
    background: var(--color-primary-ultra);
    border-color: var(--color-primary-soft);
}
.btn.success { background: var(--color-success); border-color: var(--color-success); color: #fff; }
.btn.success:hover { background: var(--color-success-hover); border-color: var(--color-success-hover); color: #fff; }
.btn.danger  { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn.danger:hover { background: var(--color-danger-hover); border-color: var(--color-danger-hover); color: #fff; }
.btn.warning { background: var(--color-warning); border-color: var(--color-warning); color: #fff; }
.btn.warning:hover { background: var(--color-warning-hover); border-color: var(--color-warning-hover); color: #fff; }
.btn.info    { background: var(--color-info); border-color: var(--color-info); color: #fff; }
.btn.info:hover { background: var(--color-info-hover); border-color: var(--color-info-hover); color: #fff; }

/* Tailles — chaque variante fixe min-height pour uniformité visuelle */
.btn.sm,
.btn.small { min-height: 32px; padding: 0 12px; font-size: .8rem; }
.btn.xs    { min-height: 26px; padding: 0 10px; font-size: .72rem; gap: 4px; }
.btn.lg    { min-height: 44px; padding: 0 24px; font-size: 1rem; }

/* Alias : .btn.primary == .btn par défaut */
.btn.primary {
    color: #fff;
    background: var(--color-primary);
    border-color: var(--color-primary);
}
.btn.primary:hover {
    color: #fff;
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

/* Garde-fou de contraste — les sélecteurs spécifiques à <a> et <button>
   battent les overrides ambiants (table.data a, body a, etc.).
   Inclut <input type=submit/button> qui ne sont pas couverts par button.btn. */
a.btn,
a.btn:hover,
a.btn:visited,
button.btn,
input[type="submit"].btn,
input[type="button"].btn,
input[type="reset"].btn { color: #fff; }

a.btn.secondary,
a.btn.secondary:hover,
a.btn.secondary:visited,
button.btn.secondary { color: var(--color-text); }

a.btn:hover { text-decoration: none; }

/* Groupe de boutons-toggles (ex: HT / TTC) — même hauteur que .btn */
.btn-toggle-group {
    display: inline-flex;
    align-items: stretch;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-surface);
    box-shadow: var(--shadow-xs);
    line-height: 1.3;
}
.btn-toggle-group .btn-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 16px;
    font-size: .9rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    background: transparent;
    border: 0;
    cursor: pointer;
    transition: background .15s, color .15s;
    white-space: nowrap;
}
.btn-toggle-group .btn-toggle + .btn-toggle {
    border-left: 1px solid var(--color-border);
}
.btn-toggle-group .btn-toggle:hover {
    background: var(--color-bg-subtle);
}
.btn-toggle-group .btn-toggle.active {
    background: var(--color-primary);
    color: #fff;
}
.btn-toggle-group .btn-toggle.active + .btn-toggle,
.btn-toggle-group .btn-toggle:has(+ .active),
.btn-toggle-group:has(.active) .btn-toggle.active { border-left-color: var(--color-primary); }

/* ============ Alerts ============ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: var(--sp-4);
    font-size: .9rem;
    border-left: 4px solid;
}
.alert.success { background: var(--color-success-soft); color: var(--color-success-dark); border-color: var(--color-success); }
.alert.error   { background: var(--color-danger-soft);  color: var(--color-danger-dark);  border-color: var(--color-danger); }
.alert.warning { background: var(--color-warning-soft); color: var(--color-warning-dark); border-color: var(--color-warning); }
.alert.info    { background: var(--color-info-soft);    color: var(--color-info-dark);    border-color: var(--color-info); }

/* =====================================================
   Tables — densité contrôlée, tabular-nums systématique
   sur les colonnes numériques, ligne hover plus subtile.
   ===================================================== */
table.data {
    width: 100%;
    background: var(--color-surface);
    border-collapse: collapse;
    font-size: var(--text-base);
    font-feature-settings: "ss01", "cv11";
}
table.data thead th {
    padding: var(--sp-3) var(--sp-4);
    text-align: left;
    font-size: var(--text-xs); font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase; letter-spacing: 0.08em;
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
table.data tbody td {
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--color-border-soft);
    vertical-align: middle;
}
table.data tbody tr:last-child td { border-bottom: none; }
table.data tbody tr { transition: background-color .12s; }
table.data tbody tr:hover { background: var(--color-primary-ultra); }
table.data .num,
table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data .font-mono { font-family: var(--font-mono); font-size: var(--text-sm); letter-spacing: -0.01em; }
/* Exclure .btn : table.data a est plus spécifique que a.btn et écraserait le
   color: #fff du bouton (bug visible : "Modifier" en texte sombre sur fond bleu
   à l'intérieur d'une cellule de tableau). */
table.data a:not(.btn) { color: var(--color-text); font-weight: 500; }
table.data a:not(.btn):hover { color: var(--color-primary); }

/* =====================================================
   Page header — entête standardisé sur toutes les pages
   <header class="page-header">
       <div class="page-header-titles">
           <p class="page-header-eyebrow">Ventes</p>
           <h1>Factures</h1>
       </div>
       <div class="page-header-actions"> ... </div>
   </header>
   ===================================================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--sp-4);
    margin-bottom: var(--sp-6);
    padding-bottom: var(--sp-4);
    border-bottom: 1px solid var(--color-border-soft);
}
.page-header-titles { min-width: 0; }
.page-header-eyebrow {
    margin: 0 0 var(--sp-1);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    font-feature-settings: "ss01";
}
.page-header h1 {
    margin: 0;
    font-size: var(--text-3xl);
    font-family: var(--font-body);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.1;
}
.page-header-subtitle {
    margin: var(--sp-2) 0 0;
    color: var(--color-text-soft);
    font-size: var(--text-md);
    max-width: 60ch;
}
.page-header-actions {
    display: flex; gap: var(--sp-2); align-items: center;
    flex-wrap: wrap; flex-shrink: 0;
}
@media (max-width: 767px) {
    .page-header { flex-direction: column; align-items: flex-start; }
    .page-header h1 { font-size: var(--text-2xl); }
}

/* ============ Badges ============ */
.badge {
    display: inline-flex; align-items: center;
    padding: 3px 10px;
    font-size: .72rem; font-weight: 600;
    color: var(--color-text-soft);
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border-soft);
    border-radius: 12px;
    text-transform: uppercase; letter-spacing: 0.03em;
}
.badge.success { color: var(--color-success-dark); background: var(--color-success-soft); border-color: transparent; }
.badge.warning { color: var(--color-warning-dark); background: var(--color-warning-soft); border-color: transparent; }
.badge.danger  { color: var(--color-danger-dark);  background: var(--color-danger-soft);  border-color: transparent; }
.badge.info    { color: var(--color-primary-dark); background: var(--color-primary-soft); border-color: transparent; }

/* =====================================================
   KPIs — direction éditoriale : valeur en serif Fraunces,
   label en small-caps technique. Bord coloré conservé mais
   plus fin, traitement plus discret pour densité de lecture.
   ===================================================== */
.kpi-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: var(--sp-4); margin-bottom: var(--sp-5);
}
.kpi {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--sp-5);
    transition: transform .2s, box-shadow .2s, border-color .2s;
    position: relative; overflow: hidden;
}
.kpi:hover { transform: translateY(-1px); box-shadow: var(--shadow); border-color: var(--color-primary-soft); }
.kpi::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--color-primary);
    opacity: .7;
}
.kpi.accent::before { background: var(--color-accent); }
.kpi .label {
    font-size: var(--text-xs); font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase; letter-spacing: 0.08em;
    font-feature-settings: "ss01";
}
.kpi .value {
    font-family: var(--font-body);
    font-size: var(--text-4xl); font-weight: 700;
    color: var(--color-text);
    margin-top: var(--sp-2); line-height: 1;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}
.kpi .delta {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: var(--text-xs); font-weight: 600;
    margin-top: var(--sp-1);
}
.kpi .delta.up { color: var(--color-success); }
.kpi .delta.down { color: var(--color-danger); }

/* ============ Utilities ============ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.gap-1 { gap: var(--sp-1); } .gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); } .gap-4 { gap: var(--sp-4); }
.items-center { align-items: center; } .items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; } .justify-center { justify-content: center; }
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: .8rem; } .text-xs { font-size: .72rem; }
.text-lg { font-size: 1rem; }
.text-right { text-align: right; } .text-center { text-align: center; }
.font-mono { font-family: var(--font-mono); font-size: 92%; }
.font-bold { font-weight: 700; }
.mt-1 { margin-top: var(--sp-1); } .mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); }
.mb-1 { margin-bottom: var(--sp-1); } .mb-2 { margin-bottom: var(--sp-2); }
.mb-3 { margin-bottom: var(--sp-3); } .mb-4 { margin-bottom: var(--sp-4); }
.hidden { display: none; }
.w-full { width: 100%; }

/* ============ Help link inline ============ */
.help-link {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: .78rem; font-weight: 500;
    color: var(--color-primary);
    padding: 3px 10px;
    border-radius: 12px;
    background: var(--color-primary-soft);
    text-decoration: none;
    vertical-align: middle;
    transition: all .15s;
}
.help-link:hover { background: var(--color-primary); color: #fff; text-decoration: none; }
.help-link::before { content: "?"; font-weight: 700; }

/* ============ Login ============ */
.login-wrapper {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-ultra) 0%, #FFFFFF 100%);
    padding: var(--sp-5);
    position: relative;
}
.login-wrapper::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at top, rgba(32, 75, 117, 0.08), transparent 60%);
    pointer-events: none;
}
.login-card {
    position: relative;
    width: 100%; max-width: 440px;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--sp-8) var(--sp-7);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-soft);
}
.login-card h1 {
    text-align: center;
    color: var(--color-primary-dark);
    margin-bottom: var(--sp-2);
    font-size: 1.5rem;
}
.login-card .subtitle {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: var(--sp-6);
    font-size: .9rem;
}

/* Bottom nav mobile retiré (remplacé par drawer) */
.mobile-nav { display: none !important; }

/* ============ Kanban CRM ============ */
.kanban { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 20px; }
.kanban-col {
    flex: 0 0 280px;
    background: var(--color-bg-subtle);
    border-radius: var(--radius-lg); padding: 14px;
    min-height: 400px;
    border: 1px solid var(--color-border-soft);
}
.kanban-col h4 {
    margin: 0 0 12px; padding: 6px 10px;
    background: var(--color-primary-soft);
    color: var(--color-primary-dark);
    border-radius: var(--radius-sm); font-size: .82rem;
}
.kanban-card {
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: 12px; margin-bottom: 8px;
    box-shadow: var(--shadow-xs); transition: all .15s; cursor: pointer;
    display: block;
}
.kanban-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: var(--color-primary); text-decoration: none; }
.kanban-card h5 { margin: 0 0 4px; font-size: .9rem; }
.kanban-card .meta { font-size: .72rem; color: var(--color-text-muted); }
.kanban-card .amount { font-weight: 700; color: var(--color-primary-dark); margin-top: 6px; }

/* =========================================================================
   🌓 Dark mode — override des variables CSS sur [data-theme="dark"]
   Toutes les surfaces, textes et bordures du système suivent automatiquement
   car les composants utilisent les vars (--color-surface, --color-text…).
   ========================================================================= */
[data-theme="dark"] {
    --color-primary:       #4A90C7;
    --color-primary-hover: #5FA4D8;
    --color-primary-dark:  #6BB5E5;
    --color-primary-ultra: #1A2F44;
    --color-primary-soft:  #243A52;

    --color-secondary:     #B0AFAF;
    --color-secondary-light:#2E2E2E;

    --color-success:       #4FB979;
    --color-success-hover: #66CC8E;
    --color-success-dark:  #A6E3BD;  /* texte clair lisible sur fond -soft sombre */
    --color-success-soft:  #1A3424;
    --color-warning:       #E0B864;
    --color-warning-hover: #ECC97A;
    --color-warning-dark:  #F2D89C;
    --color-warning-soft:  #3A2E16;
    --color-danger:        #E66C6C;
    --color-danger-hover:  #F08080;
    --color-danger-dark:   #F4B0B0;
    --color-danger-soft:   #3A1F1F;
    --color-info:          #5FA4D8;
    --color-info-hover:    #7AB7E3;
    --color-info-dark:     #B0D4EF;
    --color-info-soft:     #1F2E40;

    --color-text:          #E5E9EE;
    --color-text-soft:     #B8C0CC;
    --color-text-muted:    #8892A0;
    --color-border:        #2E3742;
    --color-border-soft:   #232A33;
    --color-bg:            #0F141B;
    --color-bg-subtle:     #161C24;
    --color-surface:       #1A2230;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow:    0 4px 12px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.5), 0 4px 8px rgba(0, 0, 0, 0.4);
}

/* Tweaks dark mode : éléments dont le style natif ne suit pas via les vars */
[data-theme="dark"] body { color-scheme: dark; }
[data-theme="dark"] input, [data-theme="dark"] select, [data-theme="dark"] textarea {
    background: var(--color-bg-subtle);
    color: var(--color-text);
    border-color: var(--color-border);
}
[data-theme="dark"] input:focus, [data-theme="dark"] select:focus, [data-theme="dark"] textarea:focus {
    border-color: var(--color-primary);
    outline: 2px solid var(--color-primary-soft);
    outline-offset: -1px;
}
[data-theme="dark"] .login-wrapper {
    background: linear-gradient(135deg, #0B1220 0%, #1A2230 100%);
}
[data-theme="dark"] .login-wrapper::before {
    background: radial-gradient(ellipse at top, rgba(74, 144, 199, 0.15), transparent 60%);
}
[data-theme="dark"] table.data thead th { background: var(--color-bg-subtle); }
[data-theme="dark"] table.data tbody tr:hover { background: var(--color-bg-subtle); }
[data-theme="dark"] .kpi::before {
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover));
    opacity: .8;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border: 2px solid var(--color-bg);
}

/* Overrides ciblés pour les couleurs hardcodées dans les vues métier */
[data-theme="dark"] .kanban-card { background: var(--color-surface); }
[data-theme="dark"] .help-content { background: var(--color-surface); }
[data-theme="dark"] .help-toc { background: var(--color-surface); }
[data-theme="dark"] iframe#preview { background: var(--color-surface); }
/* Status breadcrumb : adapter les badges en dark mode */
[data-theme="dark"] .status-breadcrumb > div[style*="background:#fff"] { background: var(--color-surface) !important; }
[data-theme="dark"] .status-breadcrumb > div[style*="background:#dafbe1"] { background: var(--color-success-soft) !important; }
[data-theme="dark"] .status-breadcrumb > div[style*="background:#e1e4e8"] { background: var(--color-bg-subtle) !important; }

/* Toggle bouton dans le header */
.theme-toggle {
    background: transparent; border: 1px solid var(--color-border);
    color: var(--color-text-soft);
    width: 36px; height: 36px;
    border-radius: var(--radius);
    display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: all .15s;
}
.theme-toggle:hover {
    background: var(--color-bg-subtle);
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* =========================================================================
   📱 Mobile — affinements responsive
   ========================================================================= */
@media (max-width: 767px) {
    .container { padding: var(--sp-3); }
    h1 { font-size: 1.3rem; }
    h3 { font-size: 1rem; }
    .card { padding: var(--sp-3); }
    .kpi { padding: var(--sp-3); }
    .kpi .value { font-size: 1.4rem; }
    .grid[style*="grid-template-columns:repeat(4"] { grid-template-columns: repeat(2, 1fr) !important; }
    .grid[style*="grid-template-columns:repeat(5"] { grid-template-columns: repeat(2, 1fr) !important; }
    .grid[style*="grid-template-columns:repeat(6"] { grid-template-columns: repeat(2, 1fr) !important; }
    /* Tables : permet le scroll horizontal au lieu de tout casser */
    .card > table.data,
    .container > table.data {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .flex.justify-between { flex-wrap: wrap; gap: var(--sp-2); }
}

/* Print : retire l'UI superflue */
@media print {
    .app-header, .sidebar, .menu-toggle, .theme-toggle, .btn { display: none !important; }
    .layout { grid-template-columns: 1fr !important; }
    .main-content { padding: 0 !important; }
    .card { box-shadow: none !important; border: 1px solid #ccc !important; break-inside: avoid; }
}

/* =====================================================
   Dashboard utilities — Phase UX V2
   Pour remplacer les inline styles répétés dans les dashboards
   (alerts-center, this-week, top-partners, fiches 360°, etc.)
   ===================================================== */

/* Grille auto-fit pour tuiles KPI (alternative compacte à .kpi-grid) */
.kpi-tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--sp-3, 1rem);
    margin-top: var(--sp-3, 1rem);
}
.kpi-tile-grid--lg {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Tuile KPI compacte (variante de .kpi pour dashboards modules récents) */
.kpi-tile {
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: var(--sp-3, 1rem);
}
.kpi-tile-label {
    margin: 0;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--color-text-muted, #6b7280);
    letter-spacing: 0.04em;
}
.kpi-tile-value {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary, #1F3D6E);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}
.kpi-tile-value--success { color: #1F8B3A; }
.kpi-tile-value--danger  { color: #C0392B; }
.kpi-tile-value--warn    { color: #D97706; }
.kpi-tile-value small {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-muted, #6b7280);
}
.kpi-tile-hint {
    color: var(--color-text-muted, #6b7280);
    font-size: 0.85rem;
}

/* Grille 2 colonnes auto-fit pour layouts dashboard (top clients/fournisseurs, etc.) */
.dashboard-2col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: var(--sp-3, 1rem);
    margin-top: var(--sp-4, 1.5rem);
}

/* Card-header pour les sections de dashboard avec titre + action */
.section-card-header {
    padding: var(--sp-3, 1rem);
    border-bottom: 1px solid var(--color-border, #e5e7eb);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sp-2, 0.5rem);
}
.section-card-header h2 { margin: 0; }

/* Filtre form en card (période from/to + bouton Filtrer) */
.filter-form {
    padding: var(--sp-3, 1rem);
}
.filter-form .filter-row {
    display: flex;
    gap: var(--sp-3, 1rem);
    align-items: end;
    flex-wrap: wrap;
}

/* Empty state (carte centrée avec icône + message) */
.empty-state {
    padding: var(--sp-4, 1.5rem);
    text-align: center;
}
.empty-state-icon {
    font-size: 3rem;
    margin: 0 0 var(--sp-2, 0.5rem);
}
.empty-state h2 {
    margin: var(--sp-2, 0.5rem) 0;
}

/* Timeline jour (this-week) */
.timeline-day {
    padding: var(--sp-3, 1rem);
}
.timeline-day--today {
    border-left: 4px solid var(--color-primary, #1F3D6E);
}
.timeline-day--weekend h2 { color: #9CA3AF; }
.timeline-event-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--sp-1, 0.25rem);
}
.timeline-event {
    display: flex;
    align-items: center;
    gap: var(--sp-2, 0.5rem);
    padding: var(--sp-2, 0.5rem);
    text-decoration: none;
    color: inherit;
    border-radius: var(--radius, 8px);
}
.timeline-event--holiday { background: #FEF3C7; border-left: 4px solid #D97706; }
.timeline-event--leave   { background: #DCFCE7; border-left: 4px solid #16A34A; }
.timeline-event--alert   { background: #FEE2E2; border-left: 4px solid #DC2626; }
.timeline-event--info    { background: #DBEAFE; border-left: 4px solid #2563EB; }