/* =========================================================================
   CLASSMASTER - Feuille de style principale (mode clair)
   ========================================================================= */

:root {
    --cm-primary:   #0d6efd;
    --cm-secondary: #6c757d;
    --cm-success:   #198754;
    --cm-danger:    #dc3545;
    --cm-warning:   #ffc107;
    --cm-info:      #0dcaf0;
    --cm-bg:        #f5f7fb;
    --cm-card-bg:   #ffffff;
    --cm-text:      #212529;
    --cm-border:    #e3e6f0;
    --cm-sidebar-w: 250px;
    --cm-topbar-h:  56px;
}

/* ---- Layout ---- */
body {
    background-color: var(--cm-bg);
    color: var(--cm-text);
    font-family: 'Segoe UI', system-ui, Roboto, Helvetica, Arial, sans-serif;
}

.cm-wrapper { min-height: 100vh; }

/* ---- Sidebar ---- */
.cm-sidebar {
    width: var(--cm-sidebar-w);
    min-height: 100vh;
    position: sticky;
    top: 0;
    flex-shrink: 0;
    transition: width 0.2s ease;
}

.cm-sidebar-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cm-nav-item a {
    transition: background 0.15s ease;
}
.cm-nav-item a:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.cm-nav-item.active > a {
    background-color: var(--cm-primary);
    color: #fff !important;
}

.cm-nav-item.cm-pending > a {
    opacity: 0.45;
}

.cm-badge-pending {
    font-size: 0.65rem;
}

@media (max-width: 767.98px) {
    .cm-sidebar {
        position: fixed;
        left: -250px;
        z-index: 1050;
        transition: left 0.2s ease;
    }
    .cm-sidebar.show {
        left: 0;
    }
    .cm-sidebar.collapse:not(.show) {
        display: block !important;
    }
}

/* ---- Main area ---- */
.cm-main {
    background-color: var(--cm-bg);
    min-height: 100vh;
}

.cm-topbar {
    position: sticky;
    top: 0;
    z-index: 1020;
    background-color: var(--cm-card-bg);
}

.cm-content {
    min-height: calc(100vh - var(--cm-topbar-h));
}

/* ---- Cards ---- */
.cm-card {
    background-color: var(--cm-card-bg);
    border: 1px solid var(--cm-border);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.cm-card__title {
    font-weight: 600;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--cm-border);
    margin-bottom: 0;
}

/* ---- KPI cards ---- */
.cm-kpi {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
}
.cm-kpi__icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}
.cm-kpi__icon--primary { background: rgba(13, 110, 253, 0.12); color: var(--cm-primary); }
.cm-kpi__icon--success { background: rgba(25, 135, 84, 0.12);  color: var(--cm-success); }
.cm-kpi__icon--danger  { background: rgba(220, 53, 69, 0.12);  color: var(--cm-danger);  }
.cm-kpi__icon--warning { background: rgba(255, 193, 7, 0.12);  color: var(--cm-warning); }
.cm-kpi__icon--info    { background: rgba(13, 202, 240, 0.12); color: var(--cm-info);    }

.cm-kpi__value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}
.cm-kpi__label {
    color: var(--cm-secondary);
    font-size: 0.85rem;
}

/* ---- Tables ---- */
.cm-table-actions a {
    text-decoration: none;
}

/* ---- Theme Toggle ---- */
.cm-theme-icon-dark { display: none; }
[data-bs-theme="dark"] .cm-theme-icon-light { display: none; }
[data-bs-theme="dark"] .cm-theme-icon-dark  { display: inline-block; }

/* ---- RTL ---- */
[dir="rtl"] .cm-sidebar {
    left: auto;
    right: 0;
}
@media (max-width: 767.98px) {
    [dir="rtl"] .cm-sidebar {
        left: auto;
        right: -250px;
    }
    [dir="rtl"] .cm-sidebar.show {
        right: 0;
    }
}

/* ---- Misc ---- */
.cm-content-placeholder {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--cm-secondary);
}
.cm-content-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
}