/* ================================================
   FactuSoft — Custom CSS Design System
   ================================================ */

@import url("https://fonts.googleapis.com/css2?family=Instrument+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=DM+Mono:wght@400;500&display=swap");

/* --- CSS Variables --- */
:root {
    --color-primary: #0f172a;
    --color-primary-light: #334155;
    --color-primary-dark: #020617;
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-accent: #0d9488;
    --color-accent-hover: #0f766e;
    --color-accent-light: #f0fdfa;
    --color-green: #10b981;
    --color-green-bg: #ecfdf5;
    --color-orange: #f59e0b;
    --color-orange-bg: #fffbeb;
    --color-red: #e11d48;
    --color-red-bg: #fef2f2;
    --color-blue-bg: #eef2ff;
    --font-body: "Instrument Sans", -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: "DM Mono", "Courier New", monospace;
    --sidebar-width: 240px;
    --topbar-height: 64px;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md:
        0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg:
        0 20px 25px -5px rgba(15, 23, 42, 0.07), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --transition: all 0.2s ease;
}

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

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    line-height: 1.6;
    min-height: 100vh;
}

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

img {
    max-width: 100%;
}

/* --- Layout --- */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-primary);
    color: var(--color-white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}

.mobile-nav-close,
.mobile-nav-toggle,
.sidebar-backdrop {
    display: none;
}

.sidebar-brand {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand h1 {
    font-size: 1.15rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.3px;
}

.sidebar-brand h1 span.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 8px;
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 700;
}

.sidebar-brand p {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 20px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: var(--transition);
}

.sidebar-nav a:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-nav a.active {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
    border-left-color: var(--color-accent);
}

.sidebar-nav a .nav-icon {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
}

.sidebar-user {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-user .user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user .user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.sidebar-user .user-name {
    font-size: 0.85rem;
    font-weight: 500;
}

.sidebar-user .user-email {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.4);
}

.sidebar-user .logout-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 6px;
    border-radius: 6px;
    transition: var(--transition);
}

.sidebar-user .logout-btn:hover {
    color: var(--color-red);
    background: rgba(255, 255, 255, 0.08);
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    min-width: 0;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Top Bar --- */
.topbar {
    height: var(--topbar-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.topbar-title {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.topbar h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.25;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* --- Page Content --- */
.page-content {
    flex: 1;
    padding: 28px 32px;
}

/* --- Flash Messages --- */
.flash-message {
    padding: 14px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideDown 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.flash-message.success {
    background: var(--color-green-bg);
    color: #047857;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.flash-message.error {
    background: var(--color-red-bg);
    color: #be123c;
    border: 1px solid rgba(225, 29, 72, 0.25);
}

.flash-message .close-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    padding: 0 4px;
}

.flash-message .close-btn:hover {
    opacity: 1;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}
.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 2px 4px rgba(13, 148, 136, 0.25);
}
.btn-primary:hover {
    background: var(--color-accent-hover);
    color: var(--color-white);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-300);
}
.btn-secondary:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
    color: var(--color-gray-700);
}

.btn-success {
    background: var(--color-green);
    color: var(--color-white);
}
.btn-success:hover {
    background: #27ae60;
    color: var(--color-white);
}

.btn-danger {
    background: var(--color-red);
    color: var(--color-white);
}
.btn-danger:hover {
    background: #c0392b;
    color: var(--color-white);
}

.btn-warning {
    background: var(--color-orange);
    color: var(--color-white);
}
.btn-warning:hover {
    background: #e08e0b;
    color: var(--color-white);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-icon {
    padding: 7px 10px;
    font-size: 1rem;
}

.btn-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* --- Cards --- */
.card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.card-body {
    padding: 24px;
}

/* --- Stat Cards --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-gray-200);
    padding: 24px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 18px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-card .stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-card .stat-icon.blue {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.stat-card .stat-icon.green {
    background: var(--color-green-bg);
    color: var(--color-green);
}

.stat-card .stat-icon.orange {
    background: var(--color-orange-bg);
    color: var(--color-orange);
}

.stat-card .stat-icon.red {
    background: var(--color-red-bg);
    color: var(--color-red);
}

.stat-card .stat-info h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
    line-height: 1.2;
}

.stat-card .stat-info p {
    font-size: 0.82rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

/* --- Tables --- */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table thead th {
    background: var(--color-gray-50);
    padding: 12px 16px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    border-bottom: 2px solid var(--color-gray-200);
    white-space: nowrap;
}

table tbody tr {
    border-bottom: 1px solid var(--color-gray-100);
    transition: var(--transition);
}

table tbody tr:hover {
    background: var(--color-gray-50);
}

table tbody td {
    padding: 14px 16px;
    font-size: 0.9rem;
    color: var(--color-gray-700);
    vertical-align: middle;
}

table tbody td.mono {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
}

table tbody td.actions {
    white-space: nowrap;
}

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--color-gray-400);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 0.95rem;
}

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
    white-space: nowrap;
}

.badge-brouillon {
    background: var(--color-gray-200);
    color: var(--color-gray-600);
}

.badge-envoyee {
    background: var(--color-orange-bg);
    color: #b45309;
}

.badge-payee {
    background: var(--color-green-bg);
    color: #047857;
}

.badge-annulee {
    background: var(--color-red-bg);
    color: #be123c;
}

.badge-admin {
    background: var(--color-blue-bg);
    color: var(--color-primary);
}

/* --- Forms --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gray-600);
    margin-bottom: 6px;
}

.form-group label .required {
    color: var(--color-red);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-gray-700);
    transition: var(--transition);
    background: var(--color-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}

.form-control::placeholder {
    color: var(--color-gray-400);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 01.753 1.659l-4.796 5.48a1 1 0 01-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-error {
    color: var(--color-red);
    font-size: 0.8rem;
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--color-gray-200);
}

/* --- Filter Bar --- */
.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-bar .filter-btn {
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    border: 1.5px solid var(--color-gray-300);
    background: var(--color-white);
    color: var(--color-gray-600);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.filter-bar .filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-bar .filter-btn.active {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

/* --- Search Bar --- */
.search-bar {
    margin-bottom: 20px;
    position: relative;
}

.search-bar input {
    width: 100%;
    max-width: 400px;
    padding: 10px 14px 10px 40px;
    border: 1.5px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}

.search-bar .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    font-size: 0.95rem;
}

.admin-search {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-left: 0;
}

.admin-search .search-icon {
    left: 14px;
}

.admin-search input {
    flex: 1;
}

.admin-password-form {
    display: grid;
    grid-template-columns: minmax(150px, 1fr) minmax(140px, 1fr) auto;
    gap: 8px;
    align-items: center;
    min-width: 440px;
}

.pagination-simple {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 18px;
    color: var(--color-gray-500);
    font-size: 0.88rem;
}

.btn.disabled {
    opacity: 0.55;
    cursor: default;
    pointer-events: none;
}

/* --- Dynamic Lignes Table --- */
.lignes-table {
    width: 100%;
    margin-bottom: 16px;
}

.lignes-table th {
    background: var(--color-gray-50);
    padding: 10px 12px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    border-bottom: 2px solid var(--color-gray-200);
}

.lignes-table td {
    padding: 8px;
    vertical-align: top;
}

.lignes-table .form-control {
    padding: 8px 10px;
    font-size: 0.85rem;
}

.lignes-table .ligne-total {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
    padding-top: 18px;
    text-align: right;
    white-space: nowrap;
}

.lignes-table .btn-remove-ligne {
    background: none;
    border: none;
    color: var(--color-red);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.lignes-table .btn-remove-ligne:hover {
    background: var(--color-red-bg);
}

/* --- Totaux Section --- */
.totaux-section {
    display: flex;
    justify-content: flex-end;
    margin-top: 16px;
}

.totaux-table {
    width: 320px;
}

.totaux-table tr td {
    padding: 8px 12px;
    font-size: 0.9rem;
}

.totaux-table tr td:first-child {
    color: var(--color-gray-500);
    font-weight: 500;
}

.totaux-table tr td:last-child {
    text-align: right;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--color-primary);
}

.totaux-table tr.total-row {
    border-top: 2px solid var(--color-primary);
}

.totaux-table tr.total-row td {
    font-size: 1.05rem;
    font-weight: 700;
    padding-top: 12px;
}

/* --- Invoice Preview (Show page) --- */
.invoice-preview {
    max-width: 900px;
    margin: 0 auto;
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 3px solid var(--color-primary);
}

.invoice-brand h2 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.invoice-brand p {
    font-size: 0.85rem;
    color: var(--color-gray-500);
}

.invoice-meta {
    text-align: right;
}

.invoice-meta h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
    font-family: var(--font-mono);
    margin-bottom: 8px;
}

.invoice-meta p {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-bottom: 2px;
}

.invoice-parties {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.party-block h4 {
    font-size: 0.78rem;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.party-block p {
    font-size: 0.9rem;
    color: var(--color-gray-700);
    margin-bottom: 2px;
}

.party-block .party-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-primary);
}

.invoice-notes {
    margin-top: 32px;
    padding: 16px;
    background: var(--color-gray-50);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
}

.invoice-notes h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gray-600);
    margin-bottom: 6px;
}

.invoice-notes p {
    font-size: 0.88rem;
    color: var(--color-gray-500);
}

/* --- Quick Actions --- */
.quick-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
}

/* --- Statut Select (Inline) --- */
.statut-select {
    padding: 6px 12px;
    border: 1.5px solid var(--color-gray-300);
    border-radius: 20px;
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 600;
    appearance: none;
    background: var(--color-white);
    cursor: pointer;
    padding-right: 28px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 01.753 1.659l-4.796 5.48a1 1 0 01-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.statut-select:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* --- Invoice Action Bar --- */
.invoice-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    padding: 16px 24px;
    background: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    align-items: center;
}

.invoice-actions .separator {
    width: 1px;
    height: 28px;
    background: var(--color-gray-300);
    margin: 0 6px;
}

/* --- Auth Pages Override --- */
.auth-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    background: var(--color-gray-100);
    overflow: hidden;
}

.auth-wrapper::before,
.auth-wrapper::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(64px);
    z-index: 0;
    pointer-events: none;
}

.auth-wrapper::before {
    width: 380px;
    height: 380px;
    top: -140px;
    right: -120px;
    background: rgba(13, 148, 136, 0.16);
}

.auth-wrapper::after {
    width: 380px;
    height: 380px;
    bottom: -140px;
    left: -120px;
    background: rgba(99, 102, 241, 0.12);
}

.auth-card {
    position: relative;
    z-index: 1;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.auth-card .auth-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 32px;
}

.auth-card .auth-brand h1 {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.3px;
}

.auth-card .auth-brand h1 .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 700;
}

.auth-card .auth-brand p {
    color: var(--color-gray-500);
    font-size: 0.85rem;
    margin-top: 6px;
}

/* --- Inline Form Error --- */
.inline-error {
    background: var(--color-red-bg);
    color: var(--color-red);
    padding: 10px 16px;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 16px;
    border: 1px solid rgba(225, 29, 72, 0.2);
}

/* --- Utility --- */
.text-right {
    text-align: right;
}
.text-center {
    text-align: center;
}
.text-mono {
    font-family: var(--font-mono);
}
.text-muted {
    color: var(--color-gray-500);
}
.mt-1 {
    margin-top: 8px;
}
.mt-2 {
    margin-top: 16px;
}
.mt-3 {
    margin-top: 24px;
}
.mb-1 {
    margin-bottom: 8px;
}
.mb-2 {
    margin-bottom: 16px;
}
.mb-3 {
    margin-bottom: 24px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    body.mobile-nav-open {
        overflow: hidden;
    }

    .sidebar {
        transform: translateX(-100%);
        width: min(82vw, 300px);
        transition: transform 0.22s ease;
        box-shadow: 18px 0 36px rgba(2, 6, 23, 0.22);
    }

    body.mobile-nav-open .sidebar {
        transform: translateX(0);
    }

    .mobile-nav-close {
        position: absolute;
        top: 12px;
        right: 12px;
        width: 36px;
        height: 36px;
        border: 0;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.08);
        color: var(--color-white);
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        line-height: 1;
        transition: var(--transition);
    }

    .mobile-nav-close:hover {
        background: rgba(255, 255, 255, 0.14);
    }

    .sidebar-backdrop {
        position: fixed;
        inset: 0;
        z-index: 90;
        display: block;
        background: rgba(2, 6, 23, 0.42);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.22s ease;
    }

    body.mobile-nav-open .sidebar-backdrop {
        opacity: 1;
        pointer-events: auto;
    }

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

    .topbar {
        padding: 0 16px;
        gap: 12px;
    }

    .topbar-title {
        flex: 1;
    }

    .topbar h2 {
        font-size: 1.15rem;
    }

    .topbar-actions {
        flex-shrink: 0;
    }

    .mobile-nav-toggle {
        width: 40px;
        height: 40px;
        border: 1px solid var(--color-gray-200);
        border-radius: 8px;
        background: var(--color-white);
        color: var(--color-primary);
        cursor: pointer;
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        flex: 0 0 auto;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }

    .mobile-nav-toggle:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }

    .mobile-nav-toggle span {
        width: 17px;
        height: 2px;
        border-radius: 999px;
        background: currentColor;
    }

    .page-content {
        padding: 16px;
    }

    .admin-search {
        align-items: stretch;
        flex-direction: column;
    }

    .admin-search .search-icon {
        top: 20px;
        transform: none;
    }

    .admin-search input {
        max-width: none;
    }

    .pagination-simple {
        justify-content: center;
        flex-wrap: wrap;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
    .invoice-parties {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .invoice-header {
        flex-direction: column;
        gap: 16px;
    }
    .invoice-meta {
        text-align: left;
    }
}

/* ================================================
   Modal — Nouveau Client
   ================================================ */

/* Overlay */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.55);
    backdrop-filter: blur(3px);
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
}

.modal-overlay.is-open {
    opacity: 1;
    pointer-events: all;
}

/* Box */
.modal-box {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.18), 0 8px 16px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 520px;
    margin: 16px;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.22s ease;
    overflow: hidden;
}

.modal-overlay.is-open .modal-box {
    transform: translateY(0) scale(1);
}

/* Header */
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    line-height: 1;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--color-red);
    background: var(--color-red-bg);
}

/* Body */
.modal-body {
    padding: 24px;
}

/* Footer */
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

/* Inline error inside modal */
.modal-alert {
    background: var(--color-red-bg);
    color: #be123c;
    border: 1px solid rgba(225, 29, 72, 0.25);
    border-radius: var(--border-radius);
    padding: 10px 14px;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

/* "+ New Client" button next to the select */
.client-select-wrapper {
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.client-select-wrapper .form-control {
    flex: 1;
}

.btn-add-client-inline {
    flex-shrink: 0;
    width: 40px;
    height: auto;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border: 1.5px solid var(--color-accent);
    border-radius: var(--border-radius);
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-add-client-inline:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-1px);
}

/* ===== Profile Page ===== */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 860px) {
    .profile-grid {
        grid-template-columns: 1fr;
    }
}

/* Password input with toggle button */
.input-password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-password-wrapper .form-control {
    padding-right: 44px;
}

.toggle-pwd {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-gray-400);
    padding: 4px;
    line-height: 1;
    transition: var(--transition);
}

.toggle-pwd:hover {
    color: var(--color-gray-700);
}

/* Input error state */
.form-control.input-error {
    border-color: var(--color-red);
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.1);
}