/* Style principal pour le monitoring d'imprimantes */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
    --primary-color: #0f766e;
    --primary-dark: #0b4b48;
    --accent-color: #0ea5e9;
    --accent-warm: #f97316;
    --success-color: #16a34a;
    --danger-color: #dc2626;
    --warning-color: #f59e0b;
    --info-color: #2563eb;
    --dark-bg: #0f172a;
    --surface-0: #f4f6fb;
    --surface-1: #ffffff;
    --surface-2: #eef3f8;
    --surface-3: #e4edf6;
    --light-bg: #f4f6fb;
    --border-color: #d7e0ea;
    --text-primary: #0b1324;
    --text-secondary: #475569;
    --shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 24px 40px rgba(15, 23, 42, 0.16);
    --ring: 0 0 0 3px rgba(14, 165, 233, 0.25);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Archivo', 'Space Grotesk', sans-serif;
    background-color: var(--surface-0);
    background-image: radial-gradient(circle at 15% 18%, rgba(14, 165, 233, 0.12), transparent 45%),
                      radial-gradient(circle at 80% 0%, rgba(249, 115, 22, 0.14), transparent 40%),
                      linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(244, 246, 251, 0.8));
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    color: inherit;
}

a:hover {
    color: var(--primary-color);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: none;
    box-shadow: var(--ring);
}

img,
svg,
video,
canvas {
    max-width: 100%;
    height: auto;
}

input,
select,
textarea,
button,
table,
th,
td,
.btn {
    font-family: inherit;
}

h1, h2, h3, .page-section-title, .card-title {
    font-family: 'Space Grotesk', 'Archivo', sans-serif;
    letter-spacing: -0.2px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: linear-gradient(120deg, #0f766e 0%, #0ea5e9 70%);
    color: white;
    padding: 22px 0;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
}
.header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.18), transparent 35%);
    pointer-events: none;
    mix-blend-mode: screen;
}
.header {
    position: relative;
    overflow: hidden;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Navigation */
.nav {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 12px;
    padding: 6px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(15, 118, 110, 0.08);
    backdrop-filter: blur(6px);
    display: flex;
    justify-content: center;
    width: 100%;
    flex-shrink: 0;
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 2px;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    padding: 0;
    margin: 0;
    flex-shrink: 1;
    overflow: hidden;
}


.nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 6px 4px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.2s;
    text-align: center;
    min-width: 40px;
    white-space: nowrap;
    flex-shrink: 0;
    position: relative;
}

.nav a:hover {
    background-color: rgba(15, 165, 233, 0.1);
    color: var(--primary-color);
    transform: scale(1.1);
}

.nav a.active {
    background: linear-gradient(130deg, #0f766e, #0ea5e9);
    color: white;
    box-shadow: 0 10px 18px rgba(14, 165, 233, 0.25);
}

/* Sections repliables */
.collapsible .collapse-body {
    display: block;
}
.collapsible.collapsed .collapse-body {
    display: none;
}
.collapsible .card-header {
    align-items: center;
}

/* Navigation compacte */
.nav-icon {
    font-size: 1.3em;
    min-width: auto;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.nav-label {
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 3px 6px;
    border-radius: 3px;
    font-size: 0.65em;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    text-align: center;
    z-index: 1000;
}

.nav a:hover .nav-label {
    opacity: 1;
}
.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ef4444;
    color: #fff;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    min-width: 17px;
    height: 17px;
    padding: 0 4px;
    margin-left: 3px;
    line-height: 1;
    vertical-align: middle;
}

.nav.nav-one-line {
    width: 100%;
    overflow: hidden;
}

.nav.nav-one-line ul {
    width: 100%;
    display: flex;
    flex-wrap: nowrap !important;
    justify-content: space-between;
    align-items: center;
    gap: 2px;
    overflow: hidden;
}

.nav.nav-one-line li {
    flex: 1 1 0;
    min-width: 0;
}

.nav.nav-one-line a {
    min-width: 0 !important;
    width: 100%;
    padding: 7px 2px !important;
    gap: 0;
    border-radius: 5px;
}

.nav.nav-one-line .nav-icon {
    font-size: 1.1em;
}

.nav.nav-one-line .nav-label {
    display: none !important;
}

.nav.nav-one-line .nav-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    margin-left: 0;
    min-width: 14px;
    height: 14px;
    font-size: 9px;
    padding: 0 3px;
}

body.nav-collapsed .nav {
    display: none;
}

body.nav-collapsed .nav-icon {
    min-width: auto;
}

body.nav-collapsed .header-actions #navToggleBtn {
    background-color: rgba(255, 255, 255, 0.2);
}

@media (max-width: 900px) {
    #navToggleBtn {
        width: 100%;
        justify-content: center;
    }
}

/* Cartes */
.card {
    background: var(--surface-1);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(15, 118, 110, 0.08);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(15, 118, 110, 0.15);
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-actions {
    display: flex;
    gap: 10px;
}

/* Grille de statistiques */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(160deg, #ffffff 0%, #f1f5f9 100%);
    border-radius: 14px;
    padding: 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.stat-card.success {
    border-left-color: var(--success-color);
}

.stat-card.warning {
    border-left-color: var(--warning-color);
}

.stat-card.danger {
    border-left-color: var(--danger-color);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Tableau */
.table-responsive {
    overflow-x: auto;
}

.table-responsive {
    -webkit-overflow-scrolling: touch;
}

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

thead {
    background-color: var(--surface-2);
}

th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

tr:hover {
    background-color: rgba(15, 118, 110, 0.06);
}

tbody tr:nth-child(odd) {
    background-color: rgba(255, 255, 255, 0.7);
}

/* Badges de statut */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.badge-success {
    background-color: #dcfce7;
    color: #14532d;
}

.badge-danger {
    background-color: #fee2e2;
    color: #7f1d1d;
}

.badge-warning {
    background-color: #ffedd5;
    color: #9a3412;
}

.badge-info {
    background-color: #dbeafe;
    color: #1e3a8a;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    text-align: center;
    box-shadow: 0 6px 12px rgba(15, 23, 42, 0.12);
}
.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, #0f766e, #0ea5e9);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0b4b48, #0284c7);
}

.btn-success {
    background: linear-gradient(135deg, #16a34a, #22c55e);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626, #f43f5e);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-warning {
    background: linear-gradient(135deg, #f97316, #f59e0b);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    color: #0f172a;
    border-color: rgba(148, 163, 184, 0.5);
    box-shadow: 0 6px 12px rgba(15, 23, 42, 0.08);
}

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

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
}

.btn-icon {
    padding: 8px 12px;
}

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

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-primary);
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid rgba(15, 118, 110, 0.2);
    border-radius: 10px;
    font-size: 14px;
    transition: border-color 0.3s;
    background: #ffffff;
    color: var(--text-primary);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.18);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-help {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Alertes */
.alert {
    padding: 15px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-success {
    background-color: #dcfce7;
    color: #14532d;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background-color: #fee2e2;
    color: #7f1d1d;
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: #ffedd5;
    color: #9a3412;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background-color: #dbeafe;
    color: #1e3a8a;
    border-left: 4px solid var(--info-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-close {
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

/* Loading spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Progress bar */
.progress {
    width: 100%;
    height: 20px;
    background-color: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s;
}

/* Icônes de statut */
.status-icon {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 5px;
}

.status-online {
    background-color: var(--success-color);
}

.status-offline {
    background-color: var(--danger-color);
}

/* Responsive */

/* Très petit écran (téléphones) */
@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .header-content {
        flex-direction: column;
        gap: 10px;
    }

    .header h1 {
        font-size: 18px;
    }

    .header-actions {
        gap: 5px;
        justify-content: center;
    }

    .header-actions a,
    .header-actions button {
        padding: 8px 12px;
        font-size: 12px;
    }

    .nav {
        padding: 8px;
        margin-bottom: 15px;
    }

    .nav a {
        min-width: 60px;
        padding: 10px 6px;
        gap: 3px;
    }

    .nav.nav-one-line a {
        min-width: 0 !important;
        padding: 7px 1px !important;
        gap: 0;
    }

    .nav-icon {
        font-size: 1.3em;
    }

    .nav.nav-one-line .nav-icon {
        font-size: 1em;
    }

    .nav-label {
        font-size: 0.7em;
    }

    .nav.nav-one-line .nav-label {
        display: none !important;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .stat-card {
        padding: 12px;
    }

    .stat-value {
        font-size: 1.5em;
    }

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

    table {
        font-size: 12px;
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    th, td {
        padding: 6px;
    }

    .card {
        padding: 12px;
        margin-bottom: 12px;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .comparison-vs {
        display: none;
    }
}

/* Petit écran (tablettes petit) */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .header h1 {
        font-size: 20px;
    }

    .header-actions {
        gap: 8px;
        flex-direction: column;
    }

    .header-actions a,
    .header-actions button {
        flex: 1;
        min-width: 100px;
    }

    .nav a {
        min-width: 65px;
        padding: 11px 7px;
    }

    .nav.nav-one-line a {
        min-width: 0 !important;
        padding: 7px 1px !important;
    }

    .nav-label {
        font-size: 0.75em;
    }

    .nav.nav-one-line .nav-label {
        display: none !important;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

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

    table {
        font-size: 13px;
    }

    th, td {
        padding: 8px;
    }

    .chart-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

/* Écran moyen (tablettes) */
@media (max-width: 900px) {
    #navToggleBtn {
        width: 100%;
        justify-content: center;
    }

    .container {
        padding: 18px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .chart-row {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .header-actions {
        gap: 10px;
    }

    .comparison-grid {
        gap: 15px;
    }
}

/* Écran large (desktop) */
@media (min-width: 901px) and (max-width: 1200px) {
    .container {
        padding: 20px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .chart-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Très grand écran (desktop large) */
@media (min-width: 1400px) {
    .container {
        padding: 30px;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .chart-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav a {
        min-width: 75px;
    }

    .nav.nav-one-line a {
        min-width: 0 !important;
    }

    .nav-label {
        font-size: 0.85em;
    }

    .nav.nav-one-line .nav-label {
        display: none !important;
    }
}

/* Utilitaires */
.text-center {
    text-align: center;
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.hidden {
    display: none;
}

.flex {
    display: flex;
}

.gap-10 {
    gap: 10px;
}

.justify-between {
    justify-content: space-between;
}

.align-center {
    align-items: center;
}

/* Auth layout */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 16px;
    background: radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.2), transparent 45%),
                radial-gradient(circle at 80% 10%, rgba(249, 115, 22, 0.2), transparent 40%),
                linear-gradient(140deg, #f8fafc 0%, #e2e8f0 100%);
}

.auth-shell {
    width: min(100%, 430px);
}

.auth-card {
    background: var(--surface-1);
    border-radius: 18px;
    padding: 28px 26px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(15, 118, 110, 0.12);
}

.auth-header {
    text-align: center;
    margin-bottom: 24px;
}

.auth-logo {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    font-size: 32px;
    background: linear-gradient(135deg, #0f766e, #0ea5e9);
    color: #fff;
    box-shadow: 0 12px 24px rgba(14, 165, 233, 0.25);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
}

.notice {
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 13px;
    border: 1px solid rgba(14, 165, 233, 0.2);
    background: #eef6ff;
    color: #0f172a;
    margin-bottom: 16px;
}

.notice strong {
    color: #0ea5e9;
}

.auth-footer {
    text-align: center;
    margin-top: 18px;
    color: var(--text-secondary);
    font-size: 12px;
}

/* Dark mode (prefers-color-scheme + optional data-theme) */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;
        --light-bg: #0b1220;
        --surface-0: #0b1220;
        --surface-1: #111827;
        --surface-2: #0f172a;
        --surface-3: #1e293b;
        --border-color: #1f2a3a;
        --text-primary: #e2e8f0;
        --text-secondary: #94a3b8;
        --shadow: 0 10px 24px rgba(2, 6, 23, 0.35);
        --shadow-lg: 0 24px 36px rgba(2, 6, 23, 0.45);
    }

    body:not([data-theme="light"]) {
        background-color: #0b1220;
        background-image: radial-gradient(circle at 15% 20%, rgba(56, 189, 248, 0.12), transparent 45%),
                          radial-gradient(circle at 85% 0%, rgba(249, 115, 22, 0.16), transparent 40%);
        color: var(--text-primary);
    }

    :root:not([data-theme="light"]) .header {
        background: linear-gradient(120deg, #0b4b48 0%, #0b5f8a 70%);
    }

    :root:not([data-theme="light"]) .nav {
        background: rgba(15, 23, 42, 0.92);
        border-color: rgba(148, 163, 184, 0.22);
    }

    :root:not([data-theme="light"]) .nav a:hover {
        background-color: rgba(148, 163, 184, 0.12);
    }

    :root:not([data-theme="light"]) .card {
        background: #111827;
        border-color: rgba(148, 163, 184, 0.2);
    }

    :root:not([data-theme="light"]) .card-header {
        border-bottom-color: rgba(148, 163, 184, 0.2);
    }

    :root:not([data-theme="light"]) .stat-card {
        background: linear-gradient(160deg, #0f172a 0%, #111827 100%);
    }

    :root:not([data-theme="light"]) thead {
        background-color: #0f172a;
    }

    :root:not([data-theme="light"]) th,
    :root:not([data-theme="light"]) td {
        border-bottom-color: var(--border-color);
    }

    :root:not([data-theme="light"]) tr:hover {
        background-color: rgba(148, 163, 184, 0.08);
    }

    :root:not([data-theme="light"]) tbody tr:nth-child(odd) {
        background-color: rgba(15, 23, 42, 0.4);
    }

    :root:not([data-theme="light"]) input[type="text"],
    :root:not([data-theme="light"]) input[type="email"],
    :root:not([data-theme="light"]) input[type="number"],
    :root:not([data-theme="light"]) input[type="password"],
    :root:not([data-theme="light"]) select,
    :root:not([data-theme="light"]) textarea {
        background: #0f172a;
        color: var(--text-primary);
        border-color: rgba(148, 163, 184, 0.3);
    }

    :root:not([data-theme="light"]) .modal-content {
        background-color: #111827;
        border: 1px solid rgba(148, 163, 184, 0.2);
    }

    :root:not([data-theme="light"]) .badge-success {
        background-color: rgba(22, 163, 74, 0.2);
        color: #bbf7d0;
    }

    :root:not([data-theme="light"]) .badge-danger {
        background-color: rgba(220, 38, 38, 0.2);
        color: #fecaca;
    }

    :root:not([data-theme="light"]) .badge-warning {
        background-color: rgba(249, 115, 22, 0.2);
        color: #fed7aa;
    }

    :root:not([data-theme="light"]) .badge-info {
        background-color: rgba(37, 99, 235, 0.2);
        color: #bfdbfe;
    }

    :root:not([data-theme="light"]) .alert-success {
        background-color: rgba(22, 163, 74, 0.18);
        color: #bbf7d0;
    }

    :root:not([data-theme="light"]) .alert-danger {
        background-color: rgba(220, 38, 38, 0.2);
        color: #fecaca;
    }

    :root:not([data-theme="light"]) .alert-warning {
        background-color: rgba(249, 115, 22, 0.2);
        color: #fed7aa;
    }

    :root:not([data-theme="light"]) .alert-info {
        background-color: rgba(37, 99, 235, 0.18);
        color: #bfdbfe;
    }

    :root:not([data-theme="light"]) .btn-secondary {
        background: linear-gradient(135deg, #111827, #1f2937);
        color: #e2e8f0;
        border-color: rgba(148, 163, 184, 0.3);
        box-shadow: 0 8px 18px rgba(2, 6, 23, 0.35);
    }
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --light-bg: #0b1220;
    --surface-0: #0b1220;
    --surface-1: #111827;
    --surface-2: #0f172a;
    --surface-3: #1e293b;
    --border-color: #1f2a3a;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --shadow: 0 10px 24px rgba(2, 6, 23, 0.35);
    --shadow-lg: 0 24px 36px rgba(2, 6, 23, 0.45);
}

body[data-theme="dark"] {
    background-color: #0b1220;
    background-image: radial-gradient(circle at 15% 20%, rgba(56, 189, 248, 0.12), transparent 45%),
                      radial-gradient(circle at 85% 0%, rgba(249, 115, 22, 0.16), transparent 40%);
    color: var(--text-primary);
}

:root[data-theme="dark"] .header,
body[data-theme="dark"] .header {
    background: linear-gradient(120deg, #0b4b48 0%, #0b5f8a 70%);
}

:root[data-theme="dark"] .nav,
body[data-theme="dark"] .nav {
    background: rgba(15, 23, 42, 0.92);
    border-color: rgba(148, 163, 184, 0.22);
}

:root[data-theme="dark"] .nav a:hover,
body[data-theme="dark"] .nav a:hover {
    background-color: rgba(148, 163, 184, 0.12);
}

:root[data-theme="dark"] .card,
body[data-theme="dark"] .card {
    background: #111827;
    border-color: rgba(148, 163, 184, 0.2);
}

:root[data-theme="dark"] .card-header,
body[data-theme="dark"] .card-header {
    border-bottom-color: rgba(148, 163, 184, 0.2);
}

:root[data-theme="dark"] .stat-card,
body[data-theme="dark"] .stat-card {
    background: linear-gradient(160deg, #0f172a 0%, #111827 100%);
}

:root[data-theme="dark"] thead,
body[data-theme="dark"] thead {
    background-color: #0f172a;
}

:root[data-theme="dark"] th,
:root[data-theme="dark"] td,
body[data-theme="dark"] th,
body[data-theme="dark"] td {
    border-bottom-color: var(--border-color);
}

:root[data-theme="dark"] tr:hover,
body[data-theme="dark"] tr:hover {
    background-color: rgba(148, 163, 184, 0.08);
}

:root[data-theme="dark"] tbody tr:nth-child(odd),
body[data-theme="dark"] tbody tr:nth-child(odd) {
    background-color: rgba(15, 23, 42, 0.4);
}

:root[data-theme="dark"] input[type="text"],
:root[data-theme="dark"] input[type="email"],
:root[data-theme="dark"] input[type="number"],
:root[data-theme="dark"] input[type="password"],
:root[data-theme="dark"] select,
:root[data-theme="dark"] textarea,
body[data-theme="dark"] input[type="text"],
body[data-theme="dark"] input[type="email"],
body[data-theme="dark"] input[type="number"],
body[data-theme="dark"] input[type="password"],
body[data-theme="dark"] select,
body[data-theme="dark"] textarea {
    background: #0f172a;
    color: var(--text-primary);
    border-color: rgba(148, 163, 184, 0.3);
}

:root[data-theme="dark"] .modal-content,
body[data-theme="dark"] .modal-content {
    background-color: #111827;
    border: 1px solid rgba(148, 163, 184, 0.2);
}

:root[data-theme="dark"] .badge-success,
body[data-theme="dark"] .badge-success {
    background-color: rgba(22, 163, 74, 0.2);
    color: #bbf7d0;
}

:root[data-theme="dark"] .badge-danger,
body[data-theme="dark"] .badge-danger {
    background-color: rgba(220, 38, 38, 0.2);
    color: #fecaca;
}

:root[data-theme="dark"] .badge-warning,
body[data-theme="dark"] .badge-warning {
    background-color: rgba(249, 115, 22, 0.2);
    color: #fed7aa;
}

:root[data-theme="dark"] .badge-info,
body[data-theme="dark"] .badge-info {
    background-color: rgba(37, 99, 235, 0.2);
    color: #bfdbfe;
}

:root[data-theme="dark"] .alert-success,
body[data-theme="dark"] .alert-success {
    background-color: rgba(22, 163, 74, 0.18);
    color: #bbf7d0;
}

:root[data-theme="dark"] .alert-danger,
body[data-theme="dark"] .alert-danger {
    background-color: rgba(220, 38, 38, 0.2);
    color: #fecaca;
}

:root[data-theme="dark"] .alert-warning,
body[data-theme="dark"] .alert-warning {
    background-color: rgba(249, 115, 22, 0.2);
    color: #fed7aa;
}

:root[data-theme="dark"] .alert-info,
body[data-theme="dark"] .alert-info {
    background-color: rgba(37, 99, 235, 0.18);
    color: #bfdbfe;
}

:root[data-theme="dark"] .btn-secondary,
body[data-theme="dark"] .btn-secondary {
    background: linear-gradient(135deg, #111827, #1f2937);
    color: #e2e8f0;
    border-color: rgba(148, 163, 184, 0.3);
    box-shadow: 0 8px 18px rgba(2, 6, 23, 0.35);
}