/* ───────────────────────────────────────────────────────────
   Design tokens partagés (CRM + outil STL).
   Source unique de la palette : modifier ici se propage partout.
   Le mode sombre ne redéfinit que les tokens, pas chaque règle.
   ─────────────────────────────────────────────────────────── */
:root {
    --bg:            #f7f7f6;
    --surface:       #ffffff;
    --bg-panel:      #ffffff; /* alias de --surface utilisé par l'outil STL */
    --border:        #111111;
    --border-strong: #111111;
    --text:          #111;
    --text-secondary:#222222;
    --text-muted:    #555555;
    --text-faint:    #999999;
    --input-bg:      #ffffff;
    --row-hover:     #f0f0ee;

    --accent:        #f5a8d8;
    --accent-hover:  #f088cb;
    --accent-soft:   #fce4f3;
    --accent-fg:     #111111;
    --accent-grad:   linear-gradient(90deg, #f5a8d8 0%, #f5a8d8 100%);

    --danger:        #ef4444;
    --danger-soft:   #fff0f0;
    --warn:          #f59e0b;
    --vp-bg:         #e8eaed;

    --radius:        0;
    --radius-lg:     0;
    --radius-sm:     0;
    --radius-pill:   999px;
    --shadow-sm:     3px 3px 0 #111111;
    --shadow-md:     5px 5px 0 #111111;

    /* Echelle d'espacement (rythme 4px) */
    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: .75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 2.5rem;
    --space-8: 3rem;

    /* Echelle typographique */
    --text-xs:   .75rem;
    --text-sm:   .875rem;
    --text-base: .95rem;
    --text-md:   1.1rem;
    --text-lg:   1.35rem;
    --text-xl:   1.75rem;
    --text-2xl:  2.75rem;

    /* Interlettrage */
    --tracking-tight:   -.02em;
    --tracking-wide:    .06em;
    --tracking-eyebrow: .08em;

    /* Couleurs semantiques additionnelles */
    --success:      #16a34a;
    --success-soft: #dcfce7;
    --success-fg:   #166534;
    --warn-soft:    #fef3c7;
    --warn-fg:      #92400e;
    --accent-alt:   #8b5cf6;

    /* Voiles modaux */
    --overlay:        rgba(0,0,0,.5);
    --overlay-strong: rgba(0,0,0,.85);

    --transition: .15s ease;
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg:            #0f1117;
    --surface:       #181b24;
    --bg-panel:      #181b24;
    --border:        #e5e7eb;
    --border-strong: #e5e7eb;
    --text:          #e5e7eb;
    --text-secondary:#cbd2e0;
    --text-muted:    #8a93ab;
    --text-faint:    #5b647a;
    --input-bg:      #111318;
    --row-hover:     #1c1f2a;

    --accent:        #f5a8d8;
    --accent-hover:  #f088cb;
    --accent-soft:   #3a2230;
    --accent-fg:     #111111;
    --accent-grad:   linear-gradient(90deg, #f5a8d8 0%, #f5a8d8 100%);

    --danger:        #f87171;
    --danger-soft:   #1f1315;
    --vp-bg:         #0d0f16;

    --success-soft: #052e16;
    --success-fg:   #4ade80;
    --warn-soft:    #1a0f00;
    --warn-fg:      #fbbf24;
    --overlay:        rgba(0,0,0,.6);
    --overlay-strong: rgba(0,0,0,.9);

    --shadow-sm:     3px 3px 0 #e5e7eb;
    --shadow-md:     5px 5px 0 #e5e7eb;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

::selection { background: var(--accent-soft); color: var(--text); }

/* Containers */
.dashboard-container, .content-wrapper {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2.5rem;
}

/* .surface : alias opt-in du panneau type "carte page" (memes proprietes que
   .dashboard-container/.content-wrapper). N'altere pas les classes existantes. */
.surface {
    max-width: 1200px;
    margin: var(--space-6) auto;
    padding: var(--space-7);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

/* Header + nav */
header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0;
    margin-bottom: 2rem;
    height: 70px;
    display: flex;
    align-items: center;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

nav {
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    align-items: center;
    height: 100%;
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    margin: 0 var(--space-2);
    padding: 0.5rem 0.2rem;
    font-weight: 500;
    font-size: var(--text-sm);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    border-bottom: 2px solid transparent;
}

nav a:hover { color: var(--text); }

nav a:focus-visible {
    outline: none;
    color: var(--text);
    box-shadow: 0 0 0 3px var(--accent-soft);
    border-radius: var(--radius);
}

nav a.active {
    color: var(--text);
    border-bottom: 2px solid var(--accent);
}

.nav-btn-logout {
    background: transparent;
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    margin-left: 1rem;
    font-family: inherit;
    color: var(--text-muted);
    font-size: var(--text-sm);
    transition: all 0.2s;
    font-weight: 500;
}

.nav-btn-logout:hover {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: var(--danger);
}

.nav-btn-logout:focus-visible,
.theme-toggle-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Logo */
.logo-image {
    height: 40px;
    width: auto;
    display: block;
}

/* Dashboard stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: left;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translate(-2px, -2px);
    border-color: var(--border-strong);
}

.stat-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text);
    margin-bottom: var(--space-1);
    line-height: 1;
    letter-spacing: -0.03em;
}

.stat-label {
    color: var(--text-muted);
    margin-bottom: var(--space-5);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-eyebrow);
    font-weight: 600;
}

.stat-link {
    display: inline-block;
    text-decoration: none;
    color: var(--text);
    font-size: var(--text-sm);
    font-weight: 600;
    border-bottom: 2px solid var(--border-strong);
    padding-bottom: 2px;
    transition: border-color 0.2s;
}

.stat-link:hover { border-bottom-color: var(--accent); }

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    background: var(--surface);
}

th {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-strong);
    color: var(--text-muted);
    font-weight: 600;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

td {
    padding: var(--space-4) var(--space-4);
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: var(--text-base);
    vertical-align: middle;
}

tbody tr { transition: background-color 0.15s ease; }
tr:hover td { background-color: var(--row-hover); }
tbody tr:last-child td { border-bottom: none; }

/* Buttons */
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--surface);
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    padding: 0.7rem 1.4rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    margin-right: var(--space-4);
    box-shadow: var(--shadow-sm);
    transition: background .2s, border-color .2s, color .2s, transform .12s ease, box-shadow .12s ease;
    font-size: var(--text-sm);
}

.action-btn:hover {
    background: var(--accent);
    border-color: var(--border);
    color: var(--accent-fg);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-md);
}

.action-btn:active {
    transform: translate(3px, 3px);
    box-shadow: none;
}

.action-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    color: var(--text);
    margin-top: 0;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

h1 { font-size: var(--text-xl); }
h2 { font-size: var(--text-lg); }
h3 { font-size: var(--text-md); }
h4 { font-size: var(--text-base); }

p { margin: 0 0 1rem; }
a { color: var(--accent); }

.page-title {
    margin: 0 0 var(--space-7);
    font-size: var(--text-xl);
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    padding-bottom: var(--space-4);
    color: var(--text);
    letter-spacing: var(--tracking-tight);
}

/* ── Helpers de mise en page partagés ──
   .page-header : titre + actions alignés (remplace .page-title quand des boutons accompagnent le titre).
   .page-header__actions : conteneur des boutons à droite du titre. */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.page-header .page-title,
.page-header h1 {
    margin: 0;
    padding: 0;
    border: none;
}

.page-header__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Animation de disparition des alertes (apparence définie dans components.css) */
.alert.fade-out { animation: fadeOutRight 0.5s ease-in forwards; }

@keyframes fadeOutRight {
    to { transform: translateX(100%); opacity: 0; }
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 30px;
    height: 3px;
    background: var(--text-secondary);
    border-radius: 10px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

.mobile-menu-toggle.active span:first-child { transform: rotate(45deg); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; transform: translateX(20px); }
.mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg); }

/* Footer */
footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: auto;
    text-align: center;
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Theme toggle button */
.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    color: var(--text-muted);
    cursor: pointer;
    margin-left: 0.75rem;
    transition: background .15s, color .15s, border-color .15s;
    flex-shrink: 0;
    padding: 0;
}

.theme-toggle-btn:hover {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent);
}

.theme-icon-sun { display: none; }
[data-theme="dark"] .theme-icon-sun { display: block; }
[data-theme="dark"] .theme-icon-moon { display: none; }

/* Responsive */
@media (max-width: 768px) {
    .header-container { padding: 0 1.5rem; position: relative; }

    .mobile-menu-toggle { display: flex; }

    .nav-container {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        height: auto;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        padding: 0;
        max-height: 0;
        overflow-y: auto;
        transition: max-height 0.3s ease-in-out;
        z-index: 1000;
    }

    .nav-container.active { max-height: calc(100vh - 70px); padding-bottom: 1rem; }

    .nav-container nav {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        height: auto;
        padding: 1rem 0;
    }

    .nav-container nav a {
        width: 100%;
        padding: 1rem 2rem;
        margin: 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-container nav a:hover { background-color: var(--row-hover); }

    .nav-container nav form { width: 100%; padding: 0 2rem; margin-top: 1rem; }

    .nav-btn-logout { width: 100%; margin: 0; text-align: center; justify-content: center; }

    .container, .dashboard-container, .content-wrapper { padding: 1.5rem; margin: 1rem; }
}