/* ========================================
   Gestionnaire de Dépenses v2
   AdminLTE-style dark mode with sidebar
   ======================================== */

/* --- Reset & Variables --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 0px;
    --topbar-height: 56px;

    --bg-body: #0a0a1a;
    --bg-sidebar: #0d0d24;
    --bg-topbar: rgba(13, 13, 36, 0.92);
    --bg-card: rgba(20, 20, 50, 0.55);
    --bg-card-hover: rgba(28, 28, 65, 0.7);
    --bg-input: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.07);

    --accent-green: #00d4aa;
    --accent-green-dim: rgba(0, 212, 170, 0.12);
    --accent-blue: #4e7fff;
    --accent-blue-dim: rgba(78, 127, 255, 0.12);
    --accent-orange: #ff8c42;
    --accent-orange-dim: rgba(255, 140, 66, 0.12);
    --accent-red: #ff4d6a;
    --accent-red-dim: rgba(255, 77, 106, 0.12);
    --accent-purple: #a855f7;
    --accent-purple-dim: rgba(168, 85, 247, 0.12);
    --accent-yellow: #fbbf24;
    --accent-cyan: #06b6d4;

    --text-primary: #e8e8f0;
    --text-secondary: #9090b0;
    --text-muted: #55557a;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 14px;
    --radius-sm: 8px;
    --radius-xs: 5px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 15% 50%, rgba(0, 212, 170, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 85% 20%, rgba(78, 127, 255, 0.03) 0%, transparent 50%);
    background-attachment: fixed;
}

a { color: var(--accent-green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === TOPBAR === */
.topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--topbar-height);
    background: var(--bg-topbar);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
    z-index: 200;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.15rem;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: var(--radius-xs);
    transition: var(--transition);
}
.sidebar-toggle:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.05rem;
}

.brand-icon {
    font-size: 1.25rem;
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.5) drop-shadow(0 0 6px var(--accent-yellow)); }
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.topbar-user {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.topbar-btn {
    color: var(--text-secondary);
    font-size: 1rem;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius-xs);
    transition: var(--transition);
    text-decoration: none;
}
.topbar-btn:hover { color: var(--accent-red); background: var(--accent-red-dim); text-decoration: none; }

/* === SIDEBAR === */
.sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--glass-border);
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform var(--transition), width var(--transition);
    z-index: 150;
    display: flex;
    flex-direction: column;
}

.sidebar-nav { flex: 1; padding: 0.75rem 0; }

.sidebar-section { margin-bottom: 0.25rem; }

.sidebar-section-title {
    padding: 0.6rem 1.25rem 0.35rem;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    font-weight: 600;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.55rem 1.25rem;
    color: var(--text-secondary);
    font-size: 0.87rem;
    font-weight: 450;
    transition: var(--transition);
    text-decoration: none;
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    text-decoration: none;
}

.sidebar-link.active {
    background: var(--accent-green-dim);
    color: var(--accent-green);
    border-left-color: var(--accent-green);
    font-weight: 600;
}

.sidebar-link i { width: 18px; text-align: center; font-size: 0.9rem; }

.sidebar-admin { border-top: 1px solid var(--glass-border); margin-top: 0.5rem; padding-top: 0.3rem; }

.sidebar-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.sidebar-version { font-size: 0.7rem; color: var(--text-muted); }

/* Sidebar scrollbar */
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 4px; }

/* Sidebar collapsed */
.sidebar-collapsed .sidebar { transform: translateX(calc(-1 * var(--sidebar-width))); }
.sidebar-collapsed .main-content { margin-left: 0; }

/* === MAIN CONTENT === */
.app-wrapper {
    display: flex;
    padding-top: var(--topbar-height);
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition);
    min-height: calc(100vh - var(--topbar-height));
}

.content-inner {
    max-width: 1300px;
    margin: 0 auto;
    padding: 1.75rem 2rem 3rem;
}

/* === PAGE HEADER === */
.page-header { margin-bottom: 1.75rem; }

.page-header h1 {
    font-size: 1.65rem;
    font-weight: 800;
    margin-bottom: 0.3rem;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p { color: var(--text-secondary); font-size: 0.9rem; }

/* === GLASS CARDS === */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.35rem;
    transition: var(--transition);
    margin-bottom: 1.25rem;
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.glass-card h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 1.1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.glass-card h2 i { font-size: 0.95rem; opacity: 0.7; }

/* === KPI GRID === */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.kpi-card {
    text-align: center;
    padding: 1.25rem 0.75rem;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: var(--radius) var(--radius) 0 0;
}

.kpi-card:nth-child(1)::before { background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple)); }
.kpi-card:nth-child(2)::before { background: linear-gradient(90deg, var(--accent-orange), var(--accent-red)); }
.kpi-card:nth-child(3)::before { background: linear-gradient(90deg, var(--accent-green), var(--accent-blue)); }
.kpi-card:nth-child(4)::before { background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue)); }
.kpi-card:nth-child(5)::before { background: linear-gradient(90deg, var(--accent-yellow), var(--accent-orange)); }
.kpi-card:nth-child(6)::before { background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green)); }

.kpi-icon { font-size: 1.75rem; margin-bottom: 0.4rem; }

.kpi-value {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 0.15rem;
    animation: fadeUp 0.6s ease-out;
}

.kpi-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    font-weight: 500;
}

.kpi-sublabel { font-size: 0.7rem; color: var(--text-muted); margin-top: 0.15rem; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === Reste à Vivre Widget === */
.rav-widget {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.08), rgba(78, 127, 255, 0.05));
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: var(--radius);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.rav-left { flex: 1; }

.rav-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.rav-amount {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.rav-positive { color: var(--accent-green); }
.rav-negative { color: var(--accent-red); }

.rav-details {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.rav-detail-item { text-align: center; }
.rav-detail-value { font-size: 1.1rem; font-weight: 700; }
.rav-detail-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; }

/* === CHARTS === */
.chart-container { margin-bottom: 1.25rem; }
.chart-wrapper { min-height: 320px; position: relative; }

.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
.chart-full { grid-column: 1 / -1; }

/* === PERIOD SELECTOR === */
.period-selector {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.period-btn {
    padding: 0.4rem 1rem;
    border: 1px solid var(--glass-border);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    font-family: var(--font);
    transition: var(--transition);
}

.period-btn:hover { border-color: var(--accent-green); color: var(--accent-green); }

.period-btn.active {
    background: var(--accent-green);
    color: var(--bg-body);
    border-color: var(--accent-green);
    font-weight: 600;
}

.period-date { margin-left: auto; }

.period-date input {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.4rem 0.85rem;
    border-radius: 50px;
    font-family: var(--font);
    font-size: 0.8rem;
    transition: var(--transition);
}
.period-date input:focus { outline: none; border-color: var(--accent-green); box-shadow: 0 0 0 3px var(--accent-green-dim); }

/* === FINANCIAL === */
.financial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.financial-card { padding: 1.1rem; }
.fin-value { font-size: 1.35rem; font-weight: 700; margin-bottom: 0.15rem; }
.fin-label { font-size: 0.8rem; color: var(--text-secondary); }
.fin-positive { color: var(--accent-green); }
.fin-negative { color: var(--accent-red); }
.fin-neutral { color: var(--accent-blue); }

/* === ALERTS WIDGET === */
.alerts-list { display: flex; flex-direction: column; gap: 0.5rem; }

.alert-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-orange);
    transition: var(--transition);
}

.alert-item:hover { background: rgba(255, 255, 255, 0.04); }

.alert-item.alert-urgent { border-left-color: var(--accent-red); }
.alert-item.alert-promo { border-left-color: var(--accent-yellow); }

.alert-item-icon { font-size: 1.1rem; }
.alert-item-text { flex: 1; font-size: 0.85rem; }
.alert-item-date { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }

/* === TABLES === */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-sm);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.65rem 0.85rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--glass-border);
}

.data-table td {
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.025);
}

.data-table tbody tr { transition: var(--transition); }
.data-table tbody tr:hover { background: rgba(255, 255, 255, 0.025); }
.row-inactive { opacity: 0.45; }

/* === BADGES === */
.badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
}
.badge-green { background: var(--accent-green-dim); color: var(--accent-green); }
.badge-red { background: var(--accent-red-dim); color: var(--accent-red); }
.badge-orange { background: var(--accent-orange-dim); color: var(--accent-orange); }
.badge-blue { background: var(--accent-blue-dim); color: var(--accent-blue); }
.badge-purple { background: var(--accent-purple-dim); color: var(--accent-purple); }
.badge-grey { background: rgba(128, 128, 160, 0.12); color: var(--text-muted); }

.type-badge { font-weight: 500; }

/* === FORMS === */
.form-card { margin-bottom: 1.25rem; }

.form-group { margin-bottom: 0.85rem; }

.form-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
    font-weight: 500;
}

.form-group label small { color: var(--text-muted); font-weight: 400; }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.55rem 0.85rem;
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.85rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px var(--accent-green-dim);
    background: rgba(255, 255, 255, 0.05);
}

.form-group input::placeholder { color: var(--text-muted); }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.85rem;
    margin-bottom: 0.85rem;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-green), #00b894);
    color: var(--bg-body);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0, 212, 170, 0.25); text-decoration: none; }

.btn-secondary {
    background: var(--accent-blue-dim);
    color: var(--accent-blue);
}
.btn-secondary:hover { background: var(--accent-blue); color: white; text-decoration: none; }

.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.75rem; }

.btn-danger { background: var(--accent-red-dim); color: var(--accent-red); }
.btn-danger:hover { background: var(--accent-red); color: white; text-decoration: none; }

.btn-group { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* === ALERTS === */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-error { background: var(--accent-red-dim); border: 1px solid rgba(255, 77, 106, 0.25); color: var(--accent-red); }
.alert-success { background: var(--accent-green-dim); border: 1px solid rgba(0, 212, 170, 0.25); color: var(--accent-green); }
.alert-warning { background: var(--accent-orange-dim); border: 1px solid rgba(255, 140, 66, 0.25); color: var(--accent-orange); }
.alert-info { background: var(--accent-blue-dim); border: 1px solid rgba(78, 127, 255, 0.25); color: var(--accent-blue); }

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.6;
}
.alert-close:hover { opacity: 1; }

/* === LOGIN === */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 55vh;
}

.login-card { width: 100%; max-width: 400px; }

.login-header { text-align: center; margin-bottom: 1.75rem; }

.login-icon { font-size: 2.5rem; display: block; margin-bottom: 0.6rem; }

.login-header h1 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.2rem; }
.login-header p { color: var(--text-secondary); font-size: 0.85rem; }
.login-form .form-group { margin-bottom: 1.1rem; }

/* === CONFIG GRID === */
.config-grid { display: grid; gap: 0.5rem; }

.config-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.55rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.config-label { color: var(--text-secondary); font-size: 0.85rem; }
.config-value { font-weight: 500; }

.config-value code {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--text-muted);
}

.empty-state i { font-size: 2.5rem; margin-bottom: 0.75rem; display: block; opacity: 0.4; }
.empty-state p { max-width: 360px; margin: 0 auto; }

/* === LOADING === */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 160px;
}

.loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent-green);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* === TOASTS === */
.toast-container {
    position: fixed;
    top: calc(var(--topbar-height) + 1rem);
    right: 1rem;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    animation: slideInRight 0.3s ease-out;
    transition: var(--transition);
    backdrop-filter: blur(12px);
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

.toast-success { background: rgba(0, 212, 170, 0.9); color: #0a0a1a; }
.toast-error { background: rgba(255, 77, 106, 0.9); color: white; }
.toast-info { background: rgba(78, 127, 255, 0.9); color: white; }

/* === CONTRAT CARDS === */
.contrat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.contrat-card {
    padding: 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.contrat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.contrat-name { font-weight: 600; font-size: 0.95rem; }
.contrat-price { font-size: 1.2rem; font-weight: 700; color: var(--accent-green); }
.contrat-freq { font-size: 0.75rem; color: var(--text-muted); }

.contrat-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.promo-bar {
    margin-top: 0.3rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 50px;
    height: 6px;
    overflow: hidden;
}

.promo-bar-fill {
    height: 100%;
    border-radius: 50px;
    transition: width 0.5s ease;
}

/* === TABS === */
.tabs {
    display: flex;
    gap: 0.3rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0;
}

.tab-btn {
    padding: 0.6rem 1.2rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent-green); border-bottom-color: var(--accent-green); }

.tab-content { display: none; animation: fadeUp 0.3s ease-out; }
.tab-content.active { display: block; }

/* === UPLOAD === */
.upload-zone {
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}
.upload-zone:hover { border-color: var(--accent-green); background: var(--accent-green-dim); }
.upload-zone i { font-size: 2rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.upload-zone p { color: var(--text-secondary); font-size: 0.85rem; }

/* === RESPONSIVE === */
@media (max-width: 992px) {
    .charts-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(calc(-1 * var(--sidebar-width)));
    }

    body:not(.sidebar-collapsed) .sidebar {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
    }

    .main-content { margin-left: 0 !important; }

    .content-inner { padding: 1.25rem 1rem 2rem; }

    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .kpi-value { font-size: 1.3rem; }
    .page-header h1 { font-size: 1.3rem; }

    .rav-widget { flex-direction: column; text-align: center; }
    .rav-amount { font-size: 1.8rem; }

    .period-selector { flex-direction: column; align-items: stretch; }
    .period-date { margin-left: 0; }

    .form-row { grid-template-columns: 1fr; }
    .contrat-grid { grid-template-columns: 1fr; }
    .financial-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .topbar-brand .brand-text { display: none; }
}