:root,
[data-theme="dark"] {
    --bg-primary: #1a1d23;
    --bg-secondary: #242830;
    --bg-card: #2c313a;
    --border-color: #3a4049;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --accent: #4a9eff;
    --accent-hover: #3d8ae6;
    --status-online: #34a853;
    --status-offline: #ea4335;
    --status-unknown: #fbbc04;
    --success-bg: rgba(52, 168, 83, 0.15);
    --error-bg: rgba(234, 67, 53, 0.15);
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] {
    --bg-primary: #eef1f5;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --border-color: #d5dae1;
    --text-primary: #1a1d23;
    --text-secondary: #5f6368;
    --accent: #1a73e8;
    --accent-hover: #1557b0;
    --status-online: #1e8e3e;
    --status-offline: #c5221f;
    --status-unknown: #e37400;
    --success-bg: rgba(30, 142, 62, 0.12);
    --error-bg: rgba(197, 34, 31, 0.12);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
}

.app-body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-body--login {
    min-height: 100vh;
    min-height: 100dvh;
}

.app-body--login .login-page {
    flex: 1 1 auto;
    min-height: 0;
}

.app-body--login .app-footer {
    flex-shrink: 0;
}

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

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Layout */
.app-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.app-header__brand h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.app-header__brand span {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.app-header__nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.app-header__tools {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.app-header__nav a {
    color: var(--text-secondary);
    font-weight: 500;
}

.app-header__nav a:hover,
.app-header__nav a.active {
    color: var(--text-primary);
    text-decoration: none;
}

.app-main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    width: 100%;
}

.page-title {
    margin: 0 0 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

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

.alert-error {
    background: var(--error-bg);
    border-color: var(--status-offline);
    color: var(--status-offline);
}

/* Summary cards */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    text-align: center;
}

.summary-card__value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
}

.summary-card__label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.summary-card--online .summary-card__value { color: var(--status-online); }
.summary-card--offline .summary-card__value { color: var(--status-offline); }
.summary-card--unknown .summary-card__value { color: var(--status-unknown); }

/* Machine cards */
.machine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.machine-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.machine-card__image-link {
    display: block;
    border-radius: calc(var(--radius) - 2px);
    overflow: hidden;
    margin: -0.25rem -0.25rem 0;
}

.machine-card__image {
    display: block;
    width: 100%;
    height: 160px;
    object-fit: cover;
    object-position: center;
    background: var(--bg-secondary);
}

.machine-card__model {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 0.15rem;
}

.machine-detail-hero {
    display: grid;
    grid-template-columns: 1fr minmax(240px, 360px);
    gap: 1.5rem;
    align-items: start;
    margin-bottom: 1.5rem;
}

.machine-detail-hero__media {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
}

.machine-detail-hero__media .machine-figure {
    margin: 0;
}

.machine-spec-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.machine-spec-trigger:hover,
.machine-spec-trigger:focus-visible {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-card);
    outline: none;
}

.machine-spec-trigger__label {
    line-height: 1.2;
}

body.machine-spec-modal-open {
    overflow: hidden;
}

.machine-spec-modal[hidden] {
    display: none !important;
}

.machine-spec-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.machine-spec-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}

.machine-spec-modal__dialog {
    position: relative;
    z-index: 1;
    width: min(640px, 100%);
    max-height: calc(100vh - 2rem);
    overflow: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.machine-spec-modal__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.25rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.machine-spec-modal__title {
    margin: 0;
    font-size: 1.1rem;
}

.machine-spec-modal__subtitle {
    margin: 0.25rem 0 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.machine-spec-modal__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.machine-spec-modal__close:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.machine-spec-modal__body {
    padding: 1rem 1.25rem 1.25rem;
}

.machine-spec-modal__table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.machine-spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.machine-spec-table thead th {
    padding: 0.6rem 0.85rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.machine-spec-table tbody th[scope="row"] {
    width: 42%;
    padding: 0.55rem 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.machine-spec-table tbody td {
    padding: 0.55rem 0.85rem;
    color: var(--text-primary);
    vertical-align: top;
    border-bottom: 1px solid var(--border-color);
    word-break: break-word;
}

.machine-spec-table tbody tr:last-child th,
.machine-spec-table tbody tr:last-child td {
    border-bottom: none;
}

.machine-spec-table__section th {
    padding: 0.65rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    border-top: 1px solid var(--border-color);
}

.machine-spec-table__section:first-child th {
    border-top: none;
}

.machine-spec-table tbody tr:not(.machine-spec-table__section):hover td,
.machine-spec-table tbody tr:not(.machine-spec-table__section):hover th[scope="row"] {
    background: rgba(74, 158, 255, 0.06);
}

.machine-spec-table a {
    color: var(--accent);
    word-break: break-all;
}

.machine-figure__img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.machine-figure__credit {
    margin-top: 0.35rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.35;
}

.machine-profile-meta {
    display: grid;
    gap: 0.5rem;
    margin: 0.75rem 0 0;
    font-size: 0.875rem;
}

.machine-profile-meta dt {
    color: var(--text-secondary);
    margin: 0;
}

.machine-profile-meta dd {
    margin: 0;
    font-weight: 500;
}

.machine-detail-specs-only .machine-figure {
    display: none;
}

.machine-specs__heading {
    margin: 1rem 0 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
}

.page-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1rem;
    margin-bottom: 1.25rem;
}

.page-toolbar--detail {
    margin-bottom: 0.75rem;
}

.page-toolbar__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.page-toolbar .btn-primary,
.page-toolbar .btn-secondary,
.machine-form__actions .btn-primary,
.machine-form__actions .btn-secondary {
    width: auto;
}

.machine-manage-table-wrap {
    overflow-x: auto;
}

.machine-manage-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.machine-manage-table th,
.machine-manage-table td {
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    vertical-align: middle;
}

.machine-manage-table th {
    color: var(--text-secondary);
    font-weight: 600;
}

.machine-manage-table__thumb {
    width: 72px;
    height: 48px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.machine-manage-table__slug {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

.machine-manage-table__actions {
    width: 1%;
    white-space: nowrap;
}

.icon-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.icon-actions__form {
    display: inline-flex;
    margin: 0;
    padding: 0;
}

.icon-action {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.12s ease;
}

.icon-action:hover,
.icon-action:focus-visible {
    background: var(--bg-card);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
    outline: none;
    text-decoration: none;
}

.icon-action--danger {
    color: #c5221f;
    border-color: rgba(197, 34, 31, 0.35);
}

.icon-action--danger:hover,
.icon-action--danger:focus-visible {
    background: #c5221f;
    border-color: #c5221f;
    color: #fff;
}

.icon-action__tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    z-index: 20;
    padding: 0.35rem 0.55rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.2;
    white-space: nowrap;
    color: #fff;
    background: #1f1f1f;
    border-radius: 6px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
}

html[data-theme="light"] .icon-action__tooltip {
    background: #202124;
}

.icon-action__tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border: 5px solid transparent;
    border-top-color: #1f1f1f;
}

html[data-theme="light"] .icon-action__tooltip::after {
    border-top-color: #202124;
}

.icon-action:hover .icon-action__tooltip,
.icon-action:focus-visible .icon-action__tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.inline-form {
    display: inline;
}

.badge-demo {
    display: inline-block;
    margin-left: 0.35rem;
    padding: 0.1rem 0.45rem;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-radius: 4px;
    background: rgba(251, 188, 4, 0.2);
    color: var(--text-primary);
}

.role-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.role-badge--admin {
    background: rgba(251, 188, 4, 0.22);
    color: #b06000;
}

html[data-theme="light"] .role-badge--admin {
    color: #9a6700;
}

.role-badge--user {
    background: rgba(74, 158, 255, 0.18);
    color: var(--accent);
}

.machine-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 920px;
}

.machine-form__section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.machine-form__section h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem 1rem;
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-hint {
    margin: 0.35rem 0 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    font-size: 0.875rem;
}

.machine-form__preview img {
    max-width: 280px;
    height: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    margin-bottom: 0.75rem;
}

.machine-form__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.form-errors {
    margin: 0;
    padding-left: 1.25rem;
}

.btn-danger {
    background: #c5221f;
    color: #fff;
    border: 1px solid #a31b18;
}

.btn-danger:hover {
    background: #a31b18;
    color: #fff;
}

.machine-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
}

.machine-card__title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.machine-card__type {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.machine-card__meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
    font-size: 0.875rem;
}

.machine-card__meta dt {
    color: var(--text-secondary);
    margin: 0;
}

.machine-card__meta dd {
    margin: 0;
    font-weight: 500;
}

.machine-card__footer {
    margin-top: auto;
    padding-top: 0.5rem;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.status-online {
    background: rgba(52, 168, 83, 0.2);
    color: var(--status-online);
}

.status-offline {
    background: rgba(234, 67, 53, 0.2);
    color: var(--status-offline);
}

.status-unknown {
    background: rgba(251, 188, 4, 0.2);
    color: var(--status-unknown);
}

/* Detail page */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.detail-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.detail-section h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-list {
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.detail-list dt {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.detail-list dd {
    margin: 0.15rem 0 0;
    font-weight: 500;
}

.diagnostic-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 1.5rem;
}

/* Login page */
.login-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
}

.login-page__toolbar {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}

.login-card h1 {
    margin: 0 0 0.25rem;
    font-size: 1.5rem;
    text-align: center;
}

.login-card__subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin: 0 0 1.5rem;
    font-size: 0.9rem;
}

.login-card__footer {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.875rem;
}

.login-card__footer-link {
    color: var(--accent);
    text-decoration: none;
}

.login-card__footer-link:hover {
    text-decoration: underline;
}

.login-card__actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.login-card__actions .btn {
    width: 100%;
}

.login-card__actions .btn--ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.login-card__actions .btn--ghost:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.form-control--otp {
    font-size: 1.5rem;
    letter-spacing: 0.35em;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.25);
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-align: center;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    width: 100%;
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
    text-decoration: none;
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

/* UI dropdown (theme & language) */
.ui-dropdown {
    position: relative;
    display: inline-block;
}

.ui-dropdown__trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.65rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    line-height: 1;
    min-width: 7.5rem;
    justify-content: flex-start;
}

.ui-dropdown__trigger:hover,
.ui-dropdown.is-open .ui-dropdown__trigger {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.15);
}

[data-theme="light"] .ui-dropdown__trigger:hover,
[data-theme="light"] .ui-dropdown.is-open .ui-dropdown__trigger {
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.15);
}

.ui-dropdown__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.ui-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ui-icon svg {
    display: block;
}

.ui-dropdown__icon .icon-moon,
.ui-dropdown__icon .icon-sun,
.ui-dropdown__icon .icon-sandbox-live,
.ui-dropdown__icon .icon-sandbox-preview {
    display: none;
}

html[data-theme="dark"] .ui-dropdown__icon .icon-moon {
    display: inline-flex;
}

html[data-theme="light"] .ui-dropdown__icon .icon-sun {
    display: inline-flex;
}

.app-body:not(.app-body--sandbox) .ui-dropdown__icon .icon-sandbox-live {
    display: inline-flex;
}

.app-body--sandbox .ui-dropdown__icon .icon-sandbox-preview {
    display: inline-flex;
}

.ui-dropdown__value {
    flex: 1;
    text-align: left;
    white-space: nowrap;
}

.ui-dropdown__chevron {
    display: inline-flex;
    color: var(--text-secondary);
    transition: transform 0.15s ease;
    flex-shrink: 0;
}

.ui-dropdown.is-open .ui-dropdown__chevron {
    transform: rotate(180deg);
}

.ui-dropdown__panel {
    position: absolute;
    top: calc(100% + 0.35rem);
    right: 0;
    min-width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 200;
    overflow: hidden;
    display: none;
    flex-direction: column;
    padding: 0.25rem;
}

.ui-dropdown.is-open .ui-dropdown__panel {
    display: flex;
}

.ui-dropdown__panel[hidden] {
    display: none !important;
}

.ui-dropdown__form {
    margin: 0;
    padding: 0;
}

.ui-dropdown__option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.55rem 0.65rem;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
}

.ui-dropdown__option:hover {
    background: var(--bg-secondary);
}

.ui-dropdown__option--link {
    text-decoration: none;
    color: var(--text-primary);
}

.ui-dropdown__option--link:hover {
    text-decoration: none;
    color: var(--text-primary);
}

.ui-dropdown__trigger--nav {
    min-width: 8.5rem;
}

.about-panel__footer {
    margin-top: 1.25rem;
}

.ui-dropdown__option.is-active {
    background: rgba(74, 158, 255, 0.15);
    color: var(--accent);
}

[data-theme="light"] .ui-dropdown__option.is-active {
    background: rgba(26, 115, 232, 0.12);
}

.ui-dropdown__option-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.ui-dropdown__option-icon .ui-icon {
    color: inherit;
}

.ui-dropdown__option.is-active .ui-dropdown__option-icon,
.ui-dropdown__option:hover .ui-dropdown__option-icon {
    color: var(--accent);
}

.logout-form {
    display: inline;
}

.logout-form button {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.85rem;
}

.logout-form button:hover {
    border-color: var(--status-offline);
    color: var(--status-offline);
}

.back-link {
    display: inline-block;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 3rem 1rem;
}

/* Footer */
.app-footer {
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    padding: 1rem 1.5rem;
    text-align: center;
}

.app-footer__text {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.app-footer a {
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: none;
}

.app-footer a:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* Sandbox */
.sandbox-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(251, 188, 4, 0.15);
    border-bottom: 1px solid var(--status-unknown);
    color: var(--status-unknown);
    font-size: 0.85rem;
    font-weight: 500;
}

.sandbox-banner__icon {
    display: inline-flex;
}

.app-body--sandbox .ui-dropdown__trigger--sandbox.is-sandbox-active {
    border-color: var(--status-unknown);
    color: var(--status-unknown);
}

.app-body--sandbox .ui-dropdown__trigger--sandbox.is-sandbox-active .ui-dropdown__icon {
    color: var(--status-unknown);
}

.section-heading {
    margin: 0 0 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.charts-section,
.events-section,
.recipes-section {
    margin-bottom: 2rem;
}

.detail-section--sandbox-overview {
    margin-top: 1.25rem;
    margin-bottom: 0;
}

.charts-section--separated {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.charts-section--separated .section-heading {
    margin-top: 0;
    padding-top: 0;
}

.charts-section--separated .charts-section__intro {
    margin-top: 0;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.charts-section__intro {
    margin: -0.5rem 0 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.45;
    max-width: 72ch;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
}

.chart-card--expandable {
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.chart-card--expandable:hover,
.chart-card--expandable:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    outline: none;
}

.chart-card__expand-hint {
    display: inline-flex;
    color: var(--text-secondary);
    opacity: 0.7;
}

.chart-card--expandable:hover .chart-card__expand-hint {
    color: var(--accent);
    opacity: 1;
}

.chart-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.chart-card__title {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 600;
}

.chart-card__unit {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.85em;
}

.chart-card__footnote {
    margin: 0.5rem 0 0;
    font-size: 0.7rem;
    line-height: 1.35;
    color: var(--text-secondary);
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.chart-legend__item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.chart-legend__swatch {
    width: 12px;
    height: 3px;
    border-radius: 2px;
}

.chart-legend__swatch--dash {
    height: 0;
    border-top: 2px dashed;
    background: transparent !important;
}

.chart-canvas {
    min-height: 180px;
}

.chart-svg {
    display: block;
}

.chart-canvas--modal {
    min-height: 280px;
}

.chart-point {
    cursor: pointer;
}

body.chart-modal-open {
    overflow: hidden;
}

.chart-modal[hidden] {
    display: none !important;
}

.chart-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.chart-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}

.chart-modal__dialog {
    position: relative;
    z-index: 1;
    width: min(920px, 100%);
    max-height: calc(100vh - 2rem);
    overflow: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.chart-modal__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.25rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.chart-modal__title {
    margin: 0;
    font-size: 1.15rem;
}

.chart-modal__meta {
    margin: 0.25rem 0 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.chart-modal__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
}

.chart-modal__close:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.chart-modal__toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.chart-modal__toolbar-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.chart-modal__ranges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.chart-modal__range {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
}

.chart-modal__range:hover {
    border-color: var(--accent);
}

.chart-modal__range.is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.chart-modal__body {
    padding: 1.25rem;
}

.chart-modal__chart-wrap {
    position: relative;
}

.chart-modal__tooltip {
    position: absolute;
    top: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    line-height: 1.45;
    background: #1f1f1f;
    color: #fff;
    border-radius: 6px;
    pointer-events: none;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.chart-modal__footnote {
    margin: 0.75rem 0 0;
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.chart-modal__table-heading {
    margin: 1.25rem 0 0.5rem;
    font-size: 0.9rem;
}

.chart-modal__table-scroll {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.chart-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.chart-data-table th,
.chart-data-table td {
    padding: 0.45rem 0.65rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    font-variant-numeric: tabular-nums;
}

.chart-data-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-secondary);
    position: sticky;
    top: 0;
}

.chart-data-table tbody tr:hover {
    background: var(--bg-secondary);
}

.chart-modal__loading,
.chart-modal__error {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.chart-modal__error {
    color: #c5221f;
}

.events-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.events-list__item {
    display: flex;
    gap: 1rem;
    padding: 0.65rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.875rem;
}

.events-list__time {
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

.events-list__item--warning {
    border-left: 3px solid var(--status-unknown);
}

.recipes-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.recipes-section__actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th,
.data-table td {
    padding: 0.65rem 0.85rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table__actions,
.machine-manage-table td.machine-manage-table__actions {
    width: 1%;
    white-space: nowrap;
}

.data-table code {
    font-size: 0.8rem;
    color: var(--accent);
}

.recipe-status {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.recipe-status--active {
    background: rgba(52, 168, 83, 0.2);
    color: var(--status-online);
}

.recipe-status--draft {
    background: rgba(251, 188, 4, 0.2);
    color: var(--status-unknown);
}

.recipe-status--archived {
    background: rgba(154, 160, 166, 0.2);
    color: var(--text-secondary);
}

.sandbox-hint {
    margin: 0.75rem 0 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.recipes-section--disabled {
    opacity: 0.85;
}

.sandbox-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    max-width: 360px;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--status-unknown);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    color: var(--text-primary);
    font-size: 0.875rem;
    z-index: 1000;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.sandbox-toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 600px) {
    .machine-detail-hero {
        grid-template-columns: 1fr;
    }

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

    .icon-actions {
        flex-wrap: wrap;
    }

    .machine-card__meta {
        grid-template-columns: 1fr;
    }

    .app-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .icon-actions {
        flex-wrap: wrap;
    }
}