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

:root {
    --color-primary: #3498db;
    --color-primary-hover: #2980b9;
    --color-secondary: #95a5a6;
    --color-secondary-hover: #7f8c8d;
    --color-danger: #e74c3c;
    --color-danger-hover: #c0392b;
    --color-text: #333;
    --color-heading: #2c3e50;
    --color-muted: #7f8c8d;
    --color-bg: #f4f6f9;
    --color-surface: #ffffff;
    --color-surface-alt: #f8f9fa;
    --color-border: #e1e4e8;
    --color-border-strong: #d0d7de;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --top-bar-height: 56px;
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    padding-top: calc(var(--top-bar-height) + 20px);
    background-color: var(--color-bg);
}

h1,
h2,
h3,
h4 {
    color: var(--color-heading);
}

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

a:hover {
    text-decoration: underline;
}

/* ===== Top Bar ===== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    z-index: 200;
    gap: 10px;
    padding: 8px 20px;
    height: var(--top-bar-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--color-border);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 36px;
    height: 36px;
}

.logo-text {
    font-weight: 700;
    font-size: 1.2em;
    color: var(--color-heading);
}
.logo-about-trigger {
     transition: color var(--transition-base), opacity var(--transition-base);
     border-radius: var(--radius-sm);
     padding: 2px 4px;
}
.logo-about-trigger:hover,
.logo-about-trigger:focus-visible {
     color: var(--color-primary);
     outline: none;
     box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.25);
}

.top-bar-spacer {
    flex: 1;
}

.top-bar-btn {
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 8px 16px;
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 500;
    transition: background-color var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.top-bar-btn:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-icon {
    font-size: 1.1em;
    line-height: 1;
}

/* ===== Hero ===== */
.hero {
    text-align: center;
    padding: 30px 20px 16px;
}

.hero h1 {
    font-size: 2.2em;
    margin-bottom: 8px;
    color: var(--color-heading);
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.15em;
    color: var(--color-muted);
    margin: 0;
}

/* ===== Section Titles ===== */
.section-title {
    font-size: 1.3em;
    margin-bottom: 16px;
    color: var(--color-heading);
}

/* ===== App Grid ===== */
.app-grid-section {
    margin-bottom: 30px;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

/* ===== Layout Variants ===== */
/* Compact: smaller, denser cards */
[data-layout="compact"] .app-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

[data-layout="compact"] .app-card {
    padding: 14px 14px 12px;
}

[data-layout="compact"] .app-card-icon {
    font-size: 1.8em;
    margin-bottom: 6px;
}

[data-layout="compact"] .app-card-body h3 {
    font-size: 0.98em;
    margin-bottom: 4px;
}

[data-layout="compact"] .app-card-body p {
    font-size: 0.82em;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

[data-layout="compact"] .app-card-icon-img {
    width: 36px !important;
    height: 36px !important;
}

[data-layout="compact"] .app-card-tags {
    display: none;
}

[data-layout="compact"] .app-card-readme-hint {
    display: none;
}

[data-layout="compact"] .app-card-actions {
    margin-top: 8px;
}

[data-layout="compact"] .app-card-launch-btn {
    padding: 4px 10px;
    font-size: 0.8em;
}

/* List: horizontal rows */
[data-layout="list"] .app-grid {
    grid-template-columns: 1fr;
    gap: 8px;
}

[data-layout="list"] .app-card {
    padding: 12px 16px;
}

[data-layout="list"] .app-card-content {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 16px;
}

[data-layout="list"] .app-card-icon {
    font-size: 2em;
    margin-bottom: 0;
    flex-shrink: 0;
    width: 48px;
    text-align: center;
}

[data-layout="list"] .app-card-icon-img {
    width: 40px !important;
    height: 40px !important;
}

[data-layout="list"] .app-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

[data-layout="list"] .app-card-body h3 {
    font-size: 1em;
    margin-bottom: 2px;
}

[data-layout="list"] .app-card-body p {
    font-size: 0.85em;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

[data-layout="list"] .app-card-tags {
    margin-top: 2px;
}

[data-layout="list"] .app-card-actions {
    margin-top: 0;
    margin-left: auto;
    flex-shrink: 0;
}

[data-layout="list"] .app-card-readme-hint {
    display: none;
}

[data-layout="list"] .app-card-badge {
    position: static;
    align-self: center;
    margin-left: 8px;
}

[data-layout="list"] .app-category-body .app-grid-inner {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
}

/* Masonry: variable-width using CSS columns */
[data-layout="masonry"] .app-grid,
[data-layout="masonry"] .app-grid-inner {
    display: block;
    column-count: 3;
    column-gap: 16px;
}

[data-layout="masonry"] .app-card {
    display: inline-block;
    width: 100%;
    margin-bottom: 16px;
    break-inside: avoid;
}

@media (max-width: 1200px) {

    [data-layout="masonry"] .app-grid,
    [data-layout="masonry"] .app-grid-inner {
        column-count: 2;
    }
}

@media (max-width: 700px) {

    [data-layout="masonry"] .app-grid,
    [data-layout="masonry"] .app-grid-inner {
        column-count: 1;
    }
}

/* Inner grid (categories) - apply same column counts as outer */
.app-grid-inner {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

[data-layout="compact"] .app-grid-inner {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.app-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 22px 20px 18px;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    overflow: hidden;
}

.app-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
    text-decoration: none;
}

.app-card:active {
    transform: translateY(-1px);
}

.app-card-icon {
    font-size: 2.4em;
    margin-bottom: 10px;
    line-height: 1;
}

.app-card-body h3 {
    margin: 0 0 6px;
    font-size: 1.1em;
    color: var(--color-heading);
}

.app-card-body p {
    margin: 0;
    font-size: 0.9em;
    color: #666;
    line-height: 1.5;
}

.app-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--color-primary);
    color: white;
    font-size: 0.72em;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.app-card-badge.accent {
    background: #8e44ad;
}

.app-card-badge.muted {
    background: var(--color-secondary);
}

.app-card-muted {
    opacity: 0.85;
    border: 2px dashed #ccc;
}

.app-card-muted:hover {
    opacity: 1;
    border-color: var(--color-secondary);
}

/* ===== Settings Section ===== */
.settings-section {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 20px 24px;
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
}

.settings-header {
    cursor: pointer;
    user-select: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 4px 0;
    transition: opacity var(--transition-base);
}

.settings-header:hover .section-title {
    color: var(--color-primary);
}

.settings-subtitle {
    margin: 0;
    font-size: 0.9em;
    color: #999;
    padding-left: 24px;
}

.settings-toggle-icon {
    display: inline-block;
    transition: transform var(--transition-base);
    font-size: 0.8em;
    margin-right: 6px;
}

.settings-toggle-icon.open {
    transform: rotate(90deg);
}

.settings-body {
    display: none;
    margin-top: 20px;
}

.settings-body.open {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.settings-card {
    background: var(--color-surface-alt);
    border-radius: var(--radius-lg);
    padding: 18px;
    border: 1px solid var(--color-border);
}

.settings-card h4 {
    margin: 0 0 14px;
    color: var(--color-heading);
    font-size: 1em;
}

/* ===== Form Elements ===== */
.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.9em;
    color: #444;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group input[type="file"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    font-size: 0.95em;
    font-family: inherit;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    background-color: var(--color-surface);
    color: var(--color-text);
}

.form-group input[type="range"] {
    width: calc(100% - 50px);
    vertical-align: middle;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.form-group textarea {
    height: 150px;
    font-family: 'Consolas', 'Monaco', monospace;
}

/* ===== Buttons ===== */
.button-group {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.button {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 500;
    font-family: inherit;
    transition: background-color var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.button:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.button:active:not(:disabled) {
    transform: translateY(0);
}

.button:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.7;
}

.button.secondary {
    background-color: var(--color-secondary);
}

.button.secondary:hover:not(:disabled) {
    background-color: var(--color-secondary-hover);
}

.menu-button {
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 8px 15px;
    cursor: pointer;
    transition: background-color var(--transition-base);
}

.menu-button:hover {
    background-color: var(--color-primary-hover);
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    animation: modalFadeIn 0.2s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: var(--color-surface);
    margin: 5% auto;
    padding: 24px;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.25s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content-wide {
    max-width: 80vw;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition-base);
}

.close:hover {
    color: #333;
}

/* ===== Wizard (inside pipeline modal) ===== */
.wizard-nav {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 12px 15px;
    background-color: var(--color-surface-alt);
    border-radius: var(--radius-lg);
    gap: 10px;
    flex-wrap: wrap;
}

.wizard-step {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #ddd;
    color: #555;
    font-weight: bold;
    font-size: 0.9em;
    transition: background-color 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
}

.active .step-number {
    background-color: var(--color-primary);
    color: white;
}

.active .step-text {
    font-weight: bold;
    color: var(--color-primary);
}

.step-text {
    font-size: 0.9em;
}

.wizard-content {
    display: none;
}

.wizard-content.active {
    display: block;
}

.wizard-buttons {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 20px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

/* ===== Task Toggles ===== */
.task-toggle {
    display: flex;
    justify-content: space-between;
    padding: 10px 12px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    margin-bottom: 6px;
    transition: background-color var(--transition-base), transform var(--transition-fast), border-color var(--transition-base);
}

.task-toggle:hover {
    background-color: var(--color-surface-alt);
    transform: translateX(2px);
    border-color: var(--color-primary);
}

/* ===== Tooltips ===== */
.tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: 6px;
    cursor: pointer;
    user-select: none;
    color: white;
    background-color: var(--color-primary);
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.75em;
    transition: background-color var(--transition-base);
}

.tooltip:hover {
    background-color: var(--color-primary-hover);
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 300px;
    background-color: #2c3e50;
    color: #fff;
    text-align: left;
    border-radius: var(--radius-lg);
    padding: 12px 14px;
    position: absolute;
    z-index: 10;
    bottom: 130%;
    left: 50%;
    margin-left: -150px;
    opacity: 0;
    transition: opacity 0.2s, visibility 0.2s;
    font-weight: normal;
    font-size: 0.85em;
    line-height: 1.5;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
}

.tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -6px;
    border-width: 6px;
    border-style: solid;
    border-color: #2c3e50 transparent transparent transparent;
}

.tooltip:hover .tooltiptext,
.tooltip:focus .tooltiptext,
.tooltip.active .tooltiptext {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

/* ===== Settings Tabs ===== */
.settings-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border-strong);
    margin-bottom: 20px;
    gap: 4px;
    flex-wrap: wrap;
}

.tab-button {
    background-color: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 10px 18px;
    transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
    font-size: 0.95em;
    font-family: inherit;
    color: #666;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    font-weight: 500;
}

.tab-button:hover {
    background-color: var(--color-surface-alt);
    color: var(--color-heading);
}

.tab-button.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background-color: transparent;
}

.tab-content {
    display: none;
    padding: 8px 0;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.25s ease;
}

/* ===== Local Tools ===== */
#local-tools-container {
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    padding: 12px;
    margin-bottom: 15px;
}

#local-tools-list {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 10px;
}

.tool-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 4px;
    border-bottom: 1px solid var(--color-border);
}

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

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

.tool-actions input {
    flex: 1 1 200px;
    padding: 8px 10px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
}

.remove-tool {
    background-color: var(--color-danger);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 4px 10px;
    cursor: pointer;
    font-size: 0.85em;
    transition: background-color var(--transition-base);
}

.remove-tool:hover {
    background-color: var(--color-danger-hover);
}

/* ===== API Key Groups ===== */
.api-key-group {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.api-key-group label {
    flex: 0 0 120px;
    margin: 0;
}

.api-key-group input {
    flex: 1 1 200px;
}

.custom-providers-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.custom-provider-group {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.custom-provider-group>div {
    display: flex;
    flex-direction: column;
    flex: 1 1 150px;
}

.custom-provider-group label {
    margin-bottom: 5px;
    font-size: 0.9em;
    font-weight: 600;
}

.custom-provider-group input {
    padding: 8px 10px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
}

.custom-provider-group button {
    white-space: nowrap;
}

/* ===== Loading ===== */
.loading {
    display: none;
    text-align: center;
    padding: 30px 20px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 12px;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* ===== Footer ===== */
footer {
    margin-top: 40px;
    padding: 20px 0;
    text-align: center;
    font-size: 0.85em;
    color: var(--color-muted);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.footer-content p {
    margin: 0;
}

.footer-logo {
    vertical-align: middle;
    opacity: 0.8;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    body {
        padding: 16px;
        padding-top: calc(var(--top-bar-height) + 16px);
    }

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

    [data-layout="compact"] .app-grid,
    [data-layout="compact"] .app-grid-inner {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }

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

    .wizard-nav {
        flex-direction: column;
        gap: 8px;
    }

    .modal-content {
        margin: 2% auto;
        width: 95%;
        padding: 18px;
    }

    .hero {
        padding: 20px 10px 10px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.6em;
    }

    .hero-subtitle {
        font-size: 1em;
    }

    .top-bar {
        padding: 6px 12px;
    }

    .logo-text {
        display: none;
    }

    .top-bar-btn {
        padding: 6px 12px;
        font-size: 0.9em;
    }

    .api-key-group label {
        flex: 1 1 100%;
        margin-bottom: 4px;
    }

    .button-group,
    .wizard-buttons {
        flex-direction: column;
    }

    .button-group .button,
    .wizard-buttons .button {
        width: 100%;
    }

    .api-key-banner-content,
    .auth-banner-content {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .api-key-banner-action,
    .auth-banner-action {
        width: 100%;
    }
}

/* Category group internals should adapt to layout */
[data-layout="list"] .app-category-group,
[data-layout="masonry"] .app-category-group,
[data-layout="compact"] .app-category-group {
    /* let inner grid handle layout */
}

/* Ensure badges don't overflow in list mode */
[data-layout="list"] .app-card {
    overflow: visible;
}

/* ===== Focus / Accessibility ===== */
.button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.top-bar-btn:focus-visible,
.app-card:focus-visible,
.tab-button:focus-visible,
.menu-button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.4);
}

.app-card:focus-visible {
    border-color: var(--color-primary);
}

/* ===== Dark Mode ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #e0e0e0;
        --color-heading: #e0e0e0;
        --color-muted: #999;
        --color-bg: #121620;
        --color-surface: #1e222e;
        --color-surface-alt: #262a36;
        --color-border: #333;
        --color-border-strong: #444;
    }

    #plugin-manager-modal table thead tr {
        background: #262a36 !important;
    }

    #plugin-manager-modal table th {
        border-bottom-color: #444 !important;
        color: #ccc;
    }

    #plugin-manager-modal table tr {
        border-bottom-color: #333 !important;
    }

    #plugin-manager-modal table tr:hover td {
        background: #262a36;
    }

    .top-bar {
        background-color: rgba(30, 34, 46, 0.95);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        border-bottom-color: #333;
    }

    .app-card {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .app-card:hover {
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    }

    .app-card-body p {
        color: #aaa;
    }

    .app-card-muted {
        border-color: #444;
    }

    .app-card-muted:hover {
        border-color: #666;
    }

    .modal {
        background-color: rgba(0, 0, 0, 0.6);
    }

    .close {
        color: #888;
    }

    .close:hover {
        color: white;
    }

    .step-number {
        background-color: #444;
        color: #ddd;
    }

    .form-group input[type="text"],
    .form-group input[type="number"],
    .form-group input[type="password"],
    .form-group input[type="file"],
    .form-group textarea,
    .form-group select,
    .tool-actions input,
    .custom-provider-group input {
        background-color: #2a2e3a;
        color: #e0e0e0;
        border-color: #444;
    }

    .task-toggle {
        background-color: #2a2e3a;
        border-color: #444;
    }

    .task-toggle:hover {
        background-color: #333;
    }

    .button.secondary {
        background-color: #555;
    }

    .button.secondary:hover:not(:disabled) {
        background-color: #666;
    }

    .tab-button {
        color: #aaa;
    }

    .tab-button:hover {
        background-color: #2a2e3a;
        color: #e0e0e0;
    }

    .tab-button.active {
        color: #5dade2;
        border-bottom-color: #5dade2;
    }

    .form-group label {
        color: #ccc;
    }

    .settings-subtitle {
        color: #888;
    }

    #auth-status-panel {
        background: #262a36 !important;
        border-color: #444 !important;
    }

    #auth-progress-bar {
        background: #333 !important;
    }

    #auth-status-text {
        color: #aaa !important;
    }

    .app-search-input {
        background-color: #2a2e3a;
        color: #e0e0e0;
        border-color: #444;
    }

    .app-search-clear {
        background-color: transparent;
        color: #aaa;
        border-color: #444;
    }

    .app-search-clear:hover {
        background-color: #2a2e3a;
    }

    .app-readme-header,
    .app-readme-actions {
        border-color: #333;
    }

    .app-readme-body pre,
    .app-readme-body code {
        background: #262a36;
        color: #e0e0e0;
    }

    footer {
        border-top-color: #333;
    }
}

/* ===== Banners ===== */
.api-key-banner,
.auth-banner {
    display: none;
    color: #fff;
    padding: 14px 20px;
    margin: 0 0 16px 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 50;
    animation: slideDown 0.3s ease;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.api-key-banner {
    background: linear-gradient(135deg, #ff9a44 0%, #fc6076 100%);
}

.auth-banner {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.api-key-banner-content,
.auth-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    max-width: 1400px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.api-key-banner-message,
.auth-banner-message {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1 1 auto;
    min-width: 250px;
}

.api-key-banner-icon,
.auth-banner-icon {
    font-size: 1.8em;
    line-height: 1;
    flex-shrink: 0;
}

.api-key-banner-text strong,
.auth-banner-text strong {
    display: block;
    font-size: 1.05em;
    margin-bottom: 2px;
}

.api-key-banner-text span,
.auth-banner-text span {
    font-size: 0.9em;
    opacity: 0.95;
}

.api-key-banner-action,
.auth-banner-action {
    background: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95em;
    font-family: inherit;
    transition: transform var(--transition-fast), box-shadow var(--transition-base);
    flex: 0 0 auto;
}

.api-key-banner-action {
    color: #d9534f;
}

.auth-banner-action {
    color: #0072ff;
}

.api-key-banner-action:hover,
.auth-banner-action:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ===== App Cards Extended ===== */
.app-card-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.app-card-launch-btn {
    padding: 6px 14px;
    font-size: 0.9em;
}

.app-card-readme-hint {
    font-size: 0.8em;
    color: #888;
    font-style: italic;
}

/* ===== App Search ===== */
.app-search-container {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.app-search-input {
    flex: 1;
    padding: 10px 14px;
    font-size: 1em;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    outline: none;
    font-family: inherit;
    background-color: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.app-search-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.app-search-clear {
    padding: 8px 14px;
    background: transparent;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: #666;
    font-size: 0.9em;
    font-family: inherit;
    transition: background-color var(--transition-base);
}

.app-search-clear:hover {
    background: var(--color-surface-alt);
}

/* ===== Theme Selector ===== */
  .theme-selector {
    background-color: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    padding: 7px 10px;
    font-size: 0.9em;
    font-family: inherit;
    cursor: pointer;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.theme-selector:hover {
    border-color: var(--color-primary);
}

.theme-selector:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

/* Light theme override (when user explicitly chooses light) */
html[data-theme="light"] {
    --color-text: #333;
    --color-heading: #2c3e50;
    --color-muted: #7f8c8d;
    --color-bg: #f4f6f9;
    --color-surface: #ffffff;
    --color-surface-alt: #f8f9fa;
    --color-border: #e1e4e8;
    --color-border-strong: #d0d7de;
}

/* Dark theme override (when user explicitly chooses dark) */
html[data-theme="dark"] {
    --color-text: #e0e0e0;
    --color-heading: #e0e0e0;
    --color-muted: #999;
    --color-bg: #121620;
    --color-surface: #1e222e;
    --color-surface-alt: #262a36;
    --color-border: #333;
    --color-border-strong: #444;
}

html[data-theme="dark"] .top-bar {
    background-color: rgba(30, 34, 46, 0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border-bottom-color: #333;
}

html[data-theme="dark"] .app-card-body p {
    color: #aaa;
}

html[data-theme="dark"] .app-card-muted {
    border-color: #444;
}

html[data-theme="dark"] .modal {
    background-color: rgba(0, 0, 0, 0.6);
}

html[data-theme="dark"] .close {
    color: #888;
}

html[data-theme="dark"] .close:hover {
    color: white;
}

html[data-theme="dark"] .step-number {
    background-color: #444;
    color: #ddd;
}

html[data-theme="dark"] .form-group input[type="text"],
html[data-theme="dark"] .form-group input[type="number"],
html[data-theme="dark"] .form-group input[type="password"],
html[data-theme="dark"] .form-group input[type="file"],
html[data-theme="dark"] .form-group textarea,
html[data-theme="dark"] .form-group select,
html[data-theme="dark"] .tool-actions input,
html[data-theme="dark"] .custom-provider-group input {
    background-color: #2a2e3a;
    color: #e0e0e0;
    border-color: #444;
}

html[data-theme="dark"] .task-toggle {
    background-color: #2a2e3a;
    border-color: #444;
}

html[data-theme="dark"] .task-toggle:hover {
    background-color: #333;
}

html[data-theme="dark"] .button.secondary {
    background-color: #555;
}

html[data-theme="dark"] .button.secondary:hover:not(:disabled) {
    background-color: #666;
}

html[data-theme="dark"] .tab-button {
    color: #aaa;
}

html[data-theme="dark"] .tab-button:hover {
    background-color: #2a2e3a;
    color: #e0e0e0;
}

html[data-theme="dark"] .tab-button.active {
    color: #5dade2;
    border-bottom-color: #5dade2;
}

html[data-theme="dark"] .form-group label {
    color: #ccc;
}

html[data-theme="dark"] .settings-subtitle {
    color: #888;
}

html[data-theme="dark"] .app-search-input,
html[data-theme="dark"] .theme-selector {
    background-color: #2a2e3a;
    color: #e0e0e0;
    border-color: #444;
}

html[data-theme="dark"] .app-search-clear {
    background-color: transparent;
    color: #aaa;
    border-color: #444;
}

html[data-theme="dark"] .app-search-clear:hover {
    background-color: #2a2e3a;
}

html[data-theme="dark"] footer {
    border-top-color: #333;
}

.app-search-no-results {
    padding: 30px 20px;
    text-align: center;
    color: #888;
    font-style: italic;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--color-border-strong);
}

/* ===== App Readme Modal ===== */
.app-readme-modal-content {
    display: flex;
    flex-direction: column;
    max-height: 85vh;
    overflow: hidden;
}

.app-readme-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.app-readme-icon {
    font-size: 3em;
    line-height: 1;
}

.app-readme-title-block {
    flex: 1;
}

.app-readme-title-block h2 {
    margin: 0 0 6px 0;
}

.app-readme-description {
    margin: 0;
    color: #666;
}

.app-readme-body {
    line-height: 1.6;
    padding: 8px 4px;
}

.app-readme-body h1,
.app-readme-body h2,
.app-readme-body h3 {
    margin-top: 1.2em;
}

.app-readme-body pre {
    background: var(--color-surface-alt);
    padding: 12px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    border: 1px solid var(--color-border);
}

.app-readme-body code {
    background: var(--color-surface-alt);
    padding: 2px 5px;
    border-radius: 3px;
    font-size: 0.9em;
    font-family: 'Consolas', 'Monaco', monospace;
}

.app-readme-body pre code {
    background: transparent;
    padding: 0;
    border: none;
}

.app-readme-actions {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
    justify-content: flex-end;
}

/* ===== Readme unified scroll body ===== */
.app-readme-scroll-body {
    flex: 1 1 auto;
    overflow-y: auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding-right: 2px;
    /* prevent scrollbar overlap */
}

.app-readme-scroll-body .app-readme-body {
    flex: 0 0 auto;
}

.app-readme-scroll-body .app-readme-video-section,
.app-readme-scroll-body .app-readme-examples-section {
    flex: 0 0 auto;
}

/* Actions bar stays pinned at the bottom, outside the scroll */
.app-readme-actions {
    flex: 0 0 auto;
}

/* ===== App Readme Video & Examples ===== */
.app-readme-section-title {
    font-size: 1em;
    font-weight: 700;
    color: var(--color-heading);
    margin: 20px 0 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--color-border);
}

.app-readme-video-section,
.app-readme-examples-section {
    margin-top: 4px;
}

.app-readme-video-wrapper {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #000;
    box-shadow: var(--shadow-md);
}

.app-readme-video {
    display: block;
    width: 100%;
    max-height: 420px;
    border-radius: var(--radius-lg);
    outline: none;
}

.app-readme-examples-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.app-readme-example-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-size: 0.9em;
    font-weight: 500;
    text-decoration: none;
    transition: background-color var(--transition-base), border-color var(--transition-base),
        transform var(--transition-fast), box-shadow var(--transition-base);
}

.app-readme-example-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.app-readme-example-icon {
    font-size: 0.8em;
    opacity: 0.8;
}

/* Dark mode adjustments for video/examples */
@media (prefers-color-scheme: dark) {
    .app-readme-example-link {
        background: var(--color-surface-alt);
        border-color: #444;
        color: #5dade2;
    }

    .app-readme-example-link:hover {
        background: var(--color-primary);
        border-color: var(--color-primary);
        color: #fff;
    }
}

html[data-theme="dark"] .app-readme-example-link {
    background: var(--color-surface-alt);
    border-color: #444;
    color: #5dade2;
}

html[data-theme="dark"] .app-readme-example-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* ===== Plugin Manager Specific ===== */
#plugin-manager-message {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
}

#upload-progress {
    padding: 12px;
    background: var(--color-surface-alt);
    border-radius: var(--radius-md);
}

/* ===== Utility ===== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
/* ===== Budget Warning States ===== */
/* Top-bar budget button: low balance warning */
#budget-btn.budget-warning {
     background-color: #e67e22;
     animation: budget-pulse-warning 3s ease-in-out infinite;
}
#budget-btn.budget-warning:hover {
     background-color: #ca6f1e;
}
/* Top-bar budget button: critical (near-zero) balance */
#budget-btn.budget-critical {
     background-color: var(--color-danger);
     animation: budget-pulse-critical 1.8s ease-in-out infinite;
}
#budget-btn.budget-critical:hover {
     background-color: var(--color-danger-hover);
}
@keyframes budget-pulse-warning {
     0%, 100% { box-shadow: 0 0 0 0 rgba(230, 126, 34, 0.0); }
     50%       { box-shadow: 0 0 0 5px rgba(230, 126, 34, 0.35); }
}
@keyframes budget-pulse-critical {
     0%, 100% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.0); }
     50%       { box-shadow: 0 0 0 6px rgba(231, 76, 60, 0.45); }
}
/* Low-credits launch button: orange tint, warning tooltip indicator */
.app-card-launch-btn--low-credits {
     background-color: #e67e22 !important;
     position: relative;
}
.app-card-launch-btn--low-credits:hover {
     background-color: #ca6f1e !important;
}
.app-card-launch-btn--low-credits::after {
     content: '⚠';
     margin-left: 5px;
     font-size: 0.85em;
     opacity: 0.9;
}
/* No-credits launch button: redirects to /credits/ */
.app-card-launch-btn--no-credits {
     background-color: var(--color-danger) !important;
     cursor: pointer;
}
.app-card-launch-btn--no-credits:hover {
     background-color: var(--color-danger-hover) !important;
}
.app-card-launch-btn--no-credits::after {
     content: ' 💳';
     font-size: 0.85em;
}
/* Budget warning banner (shown below top-bar when balance is low) */
.budget-warning-banner {
     display: none;
     background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
     color: #fff;
     padding: 10px 20px;
     margin: 0 0 12px 0;
     border-radius: var(--radius-lg);
     box-shadow: var(--shadow-md);
     font-size: 0.95em;
     animation: slideDown 0.3s ease;
     text-align: center;
}
.budget-warning-banner.visible {
     display: block;
}
.budget-warning-banner a {
     color: #fff;
     font-weight: 700;
     text-decoration: underline;
}
.budget-critical-banner {
     background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}