:root {
    color-scheme: light dark;
    --bg: #0f172a;
    --bg-alt: #111c36;
    --panel: rgba(15, 23, 42, 0.75);
    --text: #f8fafc;
    --muted: #94a3b8;
    --accent: #38bdf8;
    --danger: #f87171;
    --success: #34d399;
    --border: rgba(148, 163, 184, 0.2);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: linear-gradient(135deg, #020617, #0f172a 50%, #1e293b);
    color: var(--text);
}

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

a:hover {
    text-decoration: underline;
}

.container {
    width: min(1100px, 90%);
    margin: 0 auto;
}

.app-header {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-brand h1 {
    margin: 0;
    font-size: 1.8rem;
}

.header-brand .tagline {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.main-nav {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.main-nav a {
    padding: 0.5rem 1rem;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus {
    border-color: rgba(56, 189, 248, 0.6);
}

.main-nav .logout {
    background: rgba(248, 113, 113, 0.1);
}

.flash-wrapper {
    display: grid;
    gap: 0.75rem;
    margin: 1.5rem 0 0;
}

.flash {
    padding: 0.85rem 1.2rem;
    border-radius: 0.9rem;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.7);
    font-size: 0.95rem;
}

.flash-success {
    border-color: rgba(52, 211, 153, 0.5);
    color: var(--success);
}

.flash-error {
    border-color: rgba(248, 113, 113, 0.5);
    color: var(--danger);
}

.flash-warning {
    border-color: rgba(250, 204, 21, 0.5);
    color: #facc15;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.stat-card {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 1rem;
    text-align: center;
}

.stat-label {
    display: block;
    color: var(--muted);
    font-size: 0.9rem;
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.4);
}

.panel-download .download-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.panel-download .download-actions .button {
    flex-shrink: 0;
}

.panel-download .download-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
    max-width: 560px;
}

.table-wrapper {
    overflow-x: auto;
}

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

table thead {
    background: rgba(148, 163, 184, 0.1);
}

table th,
table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.entry-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    padding: 1.25rem;
    border-radius: 1.2rem;
    margin-bottom: 1rem;
    display: grid;
    gap: 1rem;
}

.entry-card header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.entry-card dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.25rem 1rem;
    margin: 0;
}

.entry-card dt {
    color: var(--muted);
}

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

.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    font-size: 0.8rem;
    border: 1px solid transparent;
    background: rgba(148, 163, 184, 0.15);
}

.chip.category {
    border-color: rgba(56, 189, 248, 0.4);
}

.chip.device {
    border-color: rgba(52, 211, 153, 0.4);
}

.chip.ip {
    border-color: rgba(248, 113, 113, 0.4);
}

.preview-thumb {
    width: 100%;
    max-width: 420px;
    border-radius: 1rem;
    border: 1px solid var(--border);
}

.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.filters label {
    display: grid;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.filters select,
.filters input,
.filters button,
.filters .button {
    padding: 0.6rem 0.75rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text);
}

.filters button,
.button {
    cursor: pointer;
    background: rgba(56, 189, 248, 0.2);
    border-color: rgba(56, 189, 248, 0.4);
    transition: all 0.2s ease;
}

.button.secondary {
    background: transparent;
    border-color: rgba(148, 163, 184, 0.4);
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.view-toggle button {
    flex: 1;
    padding: 0.75rem;
    background: rgba(148, 163, 184, 0.15);
    border: 1px solid transparent;
    border-radius: 0.75rem;
    color: var(--text);
    cursor: pointer;
    transition: all 0.2s ease;
}

.view-toggle button.active {
    background: rgba(56, 189, 248, 0.2);
    border-color: rgba(56, 189, 248, 0.4);
}

.view.hidden {
    display: none;
}

.login-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #020617, #0f172a 50%, #1e293b);
}

.login-wrapper {
    width: min(400px, 90%);
    background: rgba(15, 23, 42, 0.85);
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border);
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.5);
}

.login-form {
    display: grid;
    gap: 1rem;
}

.login-form label {
    display: grid;
    gap: 0.5rem;
    color: var(--muted);
}

.login-form input {
    padding: 0.75rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text);
}

.login-form button {
    padding: 0.75rem;
    border-radius: 0.75rem;
    border: none;
    background: rgba(56, 189, 248, 0.3);
    color: var(--text);
    cursor: pointer;
    font-weight: 600;
}

.panel-intro {
    color: var(--muted);
    margin-top: 0;
}

.device-form {
    display: grid;
    gap: 1rem;
}

.device-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.device-form input[type="text"],
.device-form input[type="number"] {
    padding: 0.65rem 0.75rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text);
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
}

.checkbox input {
    width: 1.1rem;
    height: 1.1rem;
}

.device-list {
    display: grid;
    gap: 1.5rem;
}

.device-card {
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    padding: 1.5rem;
    display: grid;
    gap: 1.2rem;
    position: relative;
}

.device-card header {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-start;
}

.device-card--inactive {
    opacity: 0.7;
}

.device-subtitle {
    margin: 0.3rem 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.chip-active {
    border-color: rgba(52, 211, 153, 0.5);
    color: var(--success);
}

.chip-inactive {
    border-color: rgba(248, 113, 113, 0.5);
    color: var(--danger);
}

.device-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.9rem;
}

.token-block {
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.token-block--provisioned {
    border-color: rgba(52, 211, 153, 0.6);
    background: rgba(52, 211, 153, 0.12);
}

.token-value {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.token-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.inline-form {
    display: inline;
}

.device-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.device-settings-form {
    display: grid;
    gap: 1rem;
}

.device-settings-form fieldset {
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1rem;
    display: grid;
    gap: 0.75rem;
}

.device-settings-form input[type="number"] {
    padding: 0.6rem 0.75rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text);
}

.device-feedback {
    min-height: 1.2rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.device-feedback[data-feedback-type="success"] {
    color: var(--success);
}

.device-feedback[data-feedback-type="error"] {
    color: var(--danger);
}

.device-feedback[data-feedback-type="info"] {
    color: var(--muted);
}

.devices-page .stats {
    margin-bottom: 1rem;
}

.error {
    color: var(--danger);
    background: rgba(248, 113, 113, 0.1);
    padding: 0.75rem;
    border-radius: 0.75rem;
}

.app-footer {
    padding: 2rem 0 3rem;
    text-align: center;
    color: var(--muted);
}

@media (max-width: 768px) {
    .entry-card header {
        flex-direction: column;
        align-items: flex-start;
    }

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