:root {
    --app-bg: #f4f5f7;
    --app-surface: #fff;
    --app-text: #1a1a1a;
    --app-text-secondary: #6b7280;
    --app-border: #e5e7eb;
    --app-accent: #6366f1;
    --app-accent-hover: #4f46e5;
    --app-accent-subtle: #eef2ff;
    --app-header-bg: #fff;
    --app-header-border: #e5e7eb;
    --app-sidebar-bg: #fff;
    --app-sidebar-border: #e5e7eb;
    --app-footer-bg: #f9fafb;
    --app-input-bg: #fff;
    --app-hover: #f3f4f6;
    --app-badge-green: #dcfce7;
    --app-badge-green-text: #166534;
    --app-badge-yellow: #fef3c7;
    --app-badge-yellow-text: #92400e;
    --app-badge-blue: #dbeafe;
    --app-badge-blue-text: #1e40af;
    --app-badge-gray: #f3f4f6;
    --app-badge-gray-text: #4b5563;
    --app-shadow: 0 1px 3px rgba(0,0,0,0.08);
    --app-shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --sprinkle-sidebar-width: 240px;
    --sprinkle-bg: var(--app-surface);
    --sprinkle-text: var(--app-text);
    --sprinkle-border: var(--app-border);
    --sprinkle-accent: var(--app-accent);
    --sprinkle-shadow: var(--app-shadow);
    --sprinkle-dd-hover: var(--app-hover);
    --sprinkle-sidebar-bg: var(--app-sidebar-bg);
    --sprinkle-sidebar-border: var(--app-sidebar-border);
}

[data-sprinkle-theme="dark"] {
    --app-bg: #0f1117;
    --app-surface: #1a1d27;
    --app-text: #e4e6ed;
    --app-text-secondary: #9ca3af;
    --app-border: #2d3140;
    --app-accent: #818cf8;
    --app-accent-hover: #6366f1;
    --app-accent-subtle: #1e1b4b;
    --app-header-bg: #1a1d27;
    --app-header-border: #2d3140;
    --app-sidebar-bg: #1a1d27;
    --app-sidebar-border: #2d3140;
    --app-footer-bg: #151821;
    --app-input-bg: #252836;
    --app-hover: #252836;
    --app-badge-green: #052e16;
    --app-badge-green-text: #86efac;
    --app-badge-yellow: #451a03;
    --app-badge-yellow-text: #fcd34d;
    --app-badge-blue: #172554;
    --app-badge-blue-text: #93c5fd;
    --app-badge-gray: #1f2937;
    --app-badge-gray-text: #9ca3af;
    --app-shadow: 0 1px 3px rgba(0,0,0,0.3);
    --app-shadow-lg: 0 4px 12px rgba(0,0,0,0.4);
    --sprinkle-bg: var(--app-surface);
    --sprinkle-text: var(--app-text);
    --sprinkle-border: var(--app-border);
    --sprinkle-accent: var(--app-accent);
    --sprinkle-shadow: var(--app-shadow);
    --sprinkle-dd-hover: var(--app-hover);
    --sprinkle-sidebar-bg: var(--app-sidebar-bg);
    --sprinkle-sidebar-border: var(--app-sidebar-border);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--app-bg);
    color: var(--app-text);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* ── Top Nav (Sprinkle site bar) ── */

.top-nav {
    background: #f8f9fa;
    border-bottom: 1px solid #ddd;
    padding: 0 1.5rem;
    height: 48px;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    z-index: 21;
    top: 0;
}

[data-sprinkle-theme="dark"] .top-nav {
    background: #222;
    border-bottom-color: #444;
}

.top-nav nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    width: 100%;
}

.top-nav a {
    color: #333;
    text-decoration: none;
    font-size: 0.9rem;
}

[data-sprinkle-theme="dark"] .top-nav a {
    color: #e0e0e0;
}

.top-nav a.brand {
    font-weight: 700;
    font-size: 1.3rem;
    margin-right: auto;
    color: #333;
    letter-spacing: -0.02em;
    font-family: monospace;
}

[data-sprinkle-theme="dark"] .top-nav a.brand {
    color: #e0e0e0;
}

.top-nav a.brand .bracket,
.top-nav a.brand .accent {
    color: #6366f1;
}

[data-sprinkle-theme="dark"] .top-nav a.brand .bracket,
[data-sprinkle-theme="dark"] .top-nav a.brand .accent {
    color: #818cf8;
}

.top-nav a.brand:hover {
    color: #333;
}

[data-sprinkle-theme="dark"] .top-nav a.brand:hover {
    color: #e0e0e0;
}

.top-nav a:hover {
    color: #6366f1;
}

[data-sprinkle-theme="dark"] .top-nav a:hover {
    color: #818cf8;
}

/* ── Dashboard Sub-Nav ── */

.dash-subnav {
    background: var(--app-header-bg);
    border-bottom: 1px solid var(--app-header-border);
    padding: 0 1.5rem;
    height: 48px;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    z-index: 20;
    top: 48px;
}

.dash-subnav nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    width: 100%;
}

.dash-subnav a {
    color: var(--app-text);
    text-decoration: none;
}

.dash-subnav nav a {
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    color: var(--app-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
}

.dash-subnav nav a:hover,
.dash-subnav nav a.active {
    background: var(--app-hover);
    color: var(--app-text);
    text-decoration: none;
}

.dash-subnav .header-search {
    margin-left: auto;
    max-width: 280px;
    width: 100%;
}

.dash-subnav .header-search input {
    width: 100%;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--app-border);
    border-radius: 6px;
    background: var(--app-input-bg);
    color: var(--app-text);
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.15s;
}

.dash-subnav .header-search input:focus {
    border-color: var(--app-accent);
}

.dash-subnav .header-search input::placeholder {
    color: var(--app-text-secondary);
}

.dash-subnav details[dropdown] > :not(summary) {
    min-width: 200px;
    right: 0;
    left: auto;
}

.dash-brand {
    display: flex;
    align-items: center;
    margin-right: 0.5rem;
    gap: 0.5rem;
    padding-right: 0.75rem;
    border-right: 1px solid var(--app-border);
}

.dash-brand-badge {
    width: 28px;
    height: 28px;
    background: var(--app-accent);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 800;
    flex-shrink: 0;
}

/* ── Sidebar Toggle (mobile) ── */

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    color: var(--app-text);
    border-radius: 6px;
}

.sidebar-toggle:hover {
    background: var(--app-hover);
}

#mobile-sidebar .sprinkle-modal-header .dash-brand {
    border: none;
    margin-right: auto;
}

/* ── Shell Override ── */

.app-shell {
    flex: 1;
    display: flex;
}

.app-shell > aside {
    width: var(--sprinkle-sidebar-width);
    background: var(--app-sidebar-bg);
    border-right: 1px solid var(--app-sidebar-border);
    padding: 1rem 0.75rem;
    overflow-y: auto;
    flex-shrink: 0;
}

.app-shell > aside ul[nav] a {
    border-radius: 6px;
    font-size: 0.875rem;
    padding: 0.45rem 0.75rem;
    color: var(--app-text-secondary);
}

.app-shell > aside ul[nav] a:hover {
    background: var(--app-hover);
    color: var(--app-text);
}

.app-shell > aside ul[nav] a[active] {
    background: var(--app-accent-subtle);
    color: var(--app-accent);
    font-weight: 600;
}

.app-shell > article {
    flex: 1;
    padding: 1.5rem 2rem;
    overflow-y: auto;
    min-width: 0;
}

.app-side-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--app-text-secondary);
    padding: 0.75rem 0.75rem 0.35rem;
}

/* ── Stats ── */

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stats-row fieldset[card] > main {
    font-size: 1.6rem;
    font-weight: 700;
}

.stats-row fieldset[card] > footer {
    font-size: 0.8rem;
    color: var(--app-text-secondary);
}

/* ── Dashboard Grid ── */

.dash-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.filter-bar {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

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

.dash-table th,
.dash-table td {
    padding: 0.6rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--app-border);
}

.dash-table th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--app-text-secondary);
    background: transparent;
}

.dash-table tbody tr:hover {
    background: var(--app-hover);
    border-radius: 6px;
}

.dash-table progress {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    vertical-align: middle;
}

.activity-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--app-border);
    align-items: flex-start;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item time {
    font-size: 0.75rem;
    color: var(--app-text-secondary);
    display: block;
    margin-top: 0.25rem;
}

/* ── Badges ── */

.badge {
    display: inline-block;
    padding: 0.15em 0.55em;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-green {
    background: var(--app-badge-green);
    color: var(--app-badge-green-text);
}

.badge-yellow {
    background: var(--app-badge-yellow);
    color: var(--app-badge-yellow-text);
}

.badge-blue {
    background: var(--app-badge-blue);
    color: var(--app-badge-blue-text);
}

.badge-gray {
    background: var(--app-badge-gray);
    color: var(--app-badge-gray-text);
}

/* ── Misc ── */

.stack > * + * {
    margin-top: 1.5rem;
}

.settings-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.settings-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.api-key-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--app-border);
}

.api-key-row code {
    font-size: 0.8rem;
}

.card-inline-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

/* ── Cards / Content ── */

fieldset[card] > main > p:first-child {
    margin-top: 0;
}

fieldset[card] > main > p:last-child {
    margin-bottom: 0;
}

/* ── Confirm Modal ── */

#confirm-modal .sprinkle-modal-body {
    text-align: center;
}

#confirm-modal .sprinkle-modal-body > p {
    font-size: 0.9rem;
    margin: 0 0 1rem;
    line-height: 1.5;
}

#confirm-modal .sprinkle-otp {
    justify-content: center;
    margin-bottom: 0.5rem;
}

#confirm-modal .sprinkle-modal-footer {
    justify-content: center;
    gap: 0.75rem;
}

/* ── Bottom Grid ── */

.bottom-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

/* ── Form Inputs ── */

.app-shell .sprinkle-enhance-wrap {
    display: grid;
    width: 100%;
}

.dash-input {
    width: 100%;
    padding: 0.45rem 0.7rem;
    border: 1px solid var(--app-border);
    border-radius: 6px;
    background: var(--app-input-bg);
    color: var(--app-text);
    font-family: inherit;
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.15s;
    box-sizing: border-box;
}

.dash-input:focus {
    border-color: var(--app-accent);
}

.dash-input::placeholder {
    color: var(--app-text-secondary);
}

textarea.dash-input {
    resize: vertical;
    min-height: 2.5em;
    line-height: 1.5;
}

.input-row {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    align-items: flex-start;
}

.input-row > * {
    flex: 1;
    min-width: 0;
}

.input-row > button {
    flex: 0 0 auto;
}

.form-divider {
    border: none;
    border-top: 1px solid var(--app-border);
    margin: 0.75rem 0;
}

/* ── Buttons ── */

.dash-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 1rem;
    border: 1px solid var(--app-border);
    border-radius: 6px;
    background: var(--app-bg);
    color: var(--app-text);
    font-family: inherit;
    font-size: 0.825rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    line-height: 1.4;
    white-space: nowrap;
}

.dash-btn:hover {
    background: var(--app-hover);
    border-color: var(--app-text-secondary);
}

.dash-btn-primary {
    background: var(--app-accent);
    color: #fff;
    border-color: var(--app-accent);
}

.dash-btn-primary:hover {
    background: var(--app-accent-hover);
    border-color: var(--app-accent-hover);
}

.dash-btn-danger {
    background: #ef4444;
    color: #fff;
    border-color: #ef4444;
}

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

.dash-btn-sm {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
}

.dash-btn:disabled,
.dash-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Icon Tinting ── */

.app-shell .sprinkle-icon-leading img,
.app-shell .sprinkle-icon-suffix img {
    filter: brightness(0);
}

[data-sprinkle-theme="dark"] .app-shell .sprinkle-icon-leading img,
[data-sprinkle-theme="dark"] .app-shell .sprinkle-icon-suffix img {
    filter: brightness(0) invert(1);
}

/* ── Footer ── */

.app-footer {
    background: var(--app-footer-bg);
    border-top: 1px solid var(--app-border);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--app-text-secondary);
    flex-shrink: 0;
}

.app-footer nav {
    display: flex;
    gap: 1rem;
}

.app-footer a {
    color: var(--app-text-secondary);
    text-decoration: none;
}

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

/* ── Responsive ── */

@media (max-width: 768px) {
    .sidebar-toggle {
        display: block;
    }
    .dash-grid {
        grid-template-columns: 1fr;
    }
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .bottom-grid {
        grid-template-columns: 1fr;
    }
    .app-shell > aside {
        display: none;
    }
    .dash-subnav .header-search {
        display: none;
    }
    .app-shell > article {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .stats-row {
        grid-template-columns: 1fr;
    }
    .dash-subnav details[dropdown] {
        margin-right: 0.25rem;
    }
    .dash-subnav details[dropdown] > :not(summary) {
        min-width: 160px;
        right: 0;
        left: auto;
    }
    .top-nav nav a:not(.brand),
    .dash-subnav nav a {
        display: none;
    }
}