/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 10px 22px;
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
    white-space: nowrap;
    line-height: 1.1;
}
.btn i { font-size: 0.95em; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }

.btn--ghost, .btn-ghost {
    background: transparent;
    color: var(--color-text);
}
.btn--ghost:hover, .btn-ghost:hover { background: var(--gray-100); }

.btn--primary, .btn-primary {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
    color: white;
    box-shadow: var(--shadow-blue);
}
.btn--primary:hover, .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(59,130,246,0.3);
}
.btn--primary:active, .btn-primary:active { transform: translateY(0) scale(0.99); }

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary), var(--blue-500));
    color: #fff;
    box-shadow: 0 8px 24px rgba(14,165,233,.24);
}
.btn-secondary:hover { transform: translateY(-2px); }

.btn--outline, .btn-outline {
    background: white;
    color: var(--blue-600);
    border: 1.5px solid var(--blue-200);
}
.btn--outline:hover, .btn-outline:hover {
    background: var(--blue-50);
    border-color: var(--blue-400);
    transform: translateY(-2px);
}

.btn--lg { padding: 14px 32px; font-size: 1rem; }
.btn--xl { padding: 18px 40px; font-size: 1.05rem; }

/* ========================================
   NAV / BADGES
   ======================================== */
.navbar__link {
    padding: 8px 14px;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    color: var(--gray-600);
    border-radius: var(--radius-full);
    transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
    position: relative;
}
.navbar__link:hover { color: var(--blue-600); background: var(--blue-50); }
.navbar__link--active {
    color: var(--blue-600);
    background: var(--blue-50);
    font-weight: var(--font-weight-semibold);
    box-shadow: 0 0 0 1px rgba(59,130,246,0.12);
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: var(--radius-full);
    padding: 4px 10px;
    font-size: 0.72rem;
    font-weight: var(--font-weight-bold);
    line-height: 1;
}
.badge-success { background: #ecfdf3; color: #15803d; }
.badge-warning { background: #fff7ed; color: #c2410c; }
.badge-danger { background: #fef2f2; color: #b91c1c; }
.badge-info { background: #eff6ff; color: #1d4ed8; }
.notif-priority-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 2px 8px;
    font-size: .63rem;
    font-weight: 800;
    margin-left: 8px;
    letter-spacing: .01em;
}
.notif-priority-badge--critical { background: #fee2e2; color: #b91c1c; }
.notif-priority-badge--important { background: #ffedd5; color: #c2410c; }
.notif-priority-badge--normal { background: #e0f2fe; color: #0369a1; }
.notif-priority-badge--info { background: #e2e8f0; color: #334155; }
.notif-item--prio-critical { border-left: 3px solid #dc2626; }
.notif-item--prio-important { border-left: 3px solid #f97316; }
.notif-item--prio-normal { border-left: 3px solid #2563eb; }
.notif-item--prio-info { border-left: 3px solid #64748b; }

/* ========================================
   SECTION HEADERS
   ======================================== */
.section__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}
.section__badge--blue {
    background: var(--blue-50);
    color: var(--blue-600);
    border: 1px solid var(--blue-100);
}
.section__title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: var(--font-weight-extrabold);
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 16px;
}
.section__subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 640px;
    line-height: 1.7;
}
.section__header .section__subtitle { margin: 0 auto; }

/* ========================================
   CARD SYSTEM
   ======================================== */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--blue-200);
}
.card-soft {
    background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.92));
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow-sm);
}
.card-elevated {
    background: var(--color-bg-card);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-medium);
}
.card-dark {
    background: linear-gradient(145deg, #0f172a, #1e293b);
    color: #e2e8f0;
    border: 1px solid rgba(148,163,184,.22);
}
.card-dark .card__title,
.card-dark .card__text { color: #e2e8f0; }

.card__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 20px;
}
.card__icon--blue { background: var(--blue-50); color: var(--blue-600); }
.card__icon--green { background: var(--green-100); color: var(--green-500); }
.card__icon--orange { background: var(--orange-100); color: var(--orange-500); }
.card__title {
    font-size: 1.15rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: 10px;
}
.card__text {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ========================================
   FORM SYSTEM
   ======================================== */
.form-group { margin-bottom: var(--space-5); }
.label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-label);
    font-weight: var(--font-weight-bold);
    color: var(--gray-700);
}
.input,
.textarea,
.select {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    background: #fff;
    color: var(--color-text-strong);
    font: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.textarea { min-height: 120px; resize: vertical; }
.input::placeholder, .textarea::placeholder { color: var(--gray-400); }
.input:hover, .textarea:hover, .select:hover { border-color: var(--gray-300); }
.input:focus, .textarea:focus, .select:focus {
    outline: none;
    border-color: var(--blue-400);
    box-shadow: 0 0 0 3px rgba(59,130,246,.14);
}
.input.is-error, .textarea.is-error, .select.is-error { border-color: #fca5a5; box-shadow: 0 0 0 3px rgba(239,68,68,.12); }
.input.is-success, .textarea.is-success, .select.is-success { border-color: #86efac; box-shadow: 0 0 0 3px rgba(34,197,94,.12); }
.helper-text { margin-top: 6px; font-size: 0.78rem; color: var(--gray-500); }
.error-text { margin-top: 6px; font-size: 0.78rem; color: #dc2626; }

/* ========================================
   DROPDOWNS / OVERLAYS
   ======================================== */
.dropdown-panel {
    background: rgba(255,255,255,.98);
    border: 1px solid rgba(226,232,240,.95);
    border-radius: var(--radius-lg);
    box-shadow: 0 18px 46px rgba(15,23,42,.13), 0 2px 10px rgba(15,23,42,.05);
    padding: var(--space-2);
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 10px;
    border-radius: 10px;
    transition: background var(--transition-fast), transform var(--transition-fast);
}
.dropdown-item:hover { background: var(--gray-50); transform: translateX(1px); }

/* ========================================
   ICON RULES
   ======================================== */
.icon-sm { font-size: 0.82rem; }
.icon-md { font-size: 1rem; }
.icon-lg { font-size: 1.18rem; }

/* ========================================
   FOOTER
   ======================================== */
.footer__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: var(--font-weight-bold);
    font-size: 1.2rem;
    color: var(--gray-900);
    margin-bottom: 16px;
}
.footer__brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}
.footer__desc { font-size: 0.9rem; line-height: 1.7; margin-bottom: 24px; }
.footer__social { display: flex; gap: 12px; }
.footer__social a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition);
}
.footer__social a:hover { background: var(--blue-600); color: white; }
.footer__heading {
    font-size: 0.85rem;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: white;
    margin-bottom: 20px;
}
.footer__links a {
    display: block;
    padding: 5px 0;
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: var(--transition);
}
.footer__links a:hover { color: var(--blue-600); padding-left: 4px; }

@media (max-width: 768px) {
    .section__title { font-size: clamp(1.65rem, 5.8vw, 2.35rem); line-height: 1.17; margin-bottom: 14px; }
    .section__subtitle { font-size: 1rem; line-height: 1.65; max-width: 34rem; }
    .card {
        padding: 22px 20px;
        border-radius: var(--radius-xl);
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 6px 28px rgba(15, 23, 42, 0.07);
    }
    .btn { min-height: 44px; }
    .btn--lg { min-height: 48px; }
}

@media (hover: none) {
    .card:hover {
        transform: none;
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 6px 28px rgba(15, 23, 42, 0.07);
        border-color: var(--gray-200);
    }
}

/* ========================================
   SIDEBAR — logo cabinet (conteneur lisible sur fond clair)
   ======================================== */
.sidebar .logo-box {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: #ffffff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    box-sizing: border-box;
}
.sidebar .logo-box img {
    width: 70%;
    height: 70%;
    object-fit: contain;
    object-position: center;
    display: block;
}
.sidebar .logo-box__fallback-icon {
    font-size: 1.15rem;
    color: var(--blue-600, #2563eb);
    line-height: 1;
}
.sidebar .brand__text {
    min-width: 0;
}
.sidebar .brand__meta {
    line-height: 1.35;
}
.sidebar .brand__meta-sep {
    margin: 0 0.28em;
    opacity: 0.55;
    font-weight: 700;
}
.sidebar .brand__product {
    color: var(--gray-400);
    font-weight: 700;
}
.sidebar .brand__product--muted {
    font-weight: 600;
}

/* ========================================
   TOPBAR — avatar (lisible sur fonds colorés)
   ======================================== */
.avatar-box {
    width: 40px;
    height: 40px;
    background: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid #f1f5f9;
    flex-shrink: 0;
    box-sizing: border-box;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.avatar-box:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}
.avatar-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}
.avatar-box--contain img {
    object-fit: contain;
    padding: 4px;
    box-sizing: border-box;
}
.avatar-box__letter {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--blue-600, #2563eb);
    line-height: 1;
    user-select: none;
}