/* ============================================================================
   Zoom Rooms Config Manager — Minimal Styling
   ============================================================================ */

:root {
    --color-primary: #0066cc;
    --color-primary-dark: #0052a3;
    --color-new: #10b981;
    --color-new-light: #f0fdf4;
    --color-changed: #f59e0b;
    --color-changed-light: #fffbf0;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-border: #e5e7eb;
    --color-bg: #ffffff;
    --color-bg-light: #f9fafb;
    --color-success: #10b981;
    --color-error: #ef4444;

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-mono: "Monaco", "Courier New", monospace;
}

/* ============================================================================
   Global Styles
   ============================================================================ */

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

html, body {
    height: 100%;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg-light);
    line-height: 1.6;
}

/* ============================================================================
   Layout
   ============================================================================ */

.container {
    max-width: 860px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
    position: relative;
}

.header h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.header .subtitle {
    font-size: 14px;
    color: var(--color-text-light);
}

.lang-toggle {
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    background-color: var(--color-bg-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.header .lang-toggle {
    position: absolute;
    top: 0;
    right: 0;
}

.header-controls .lang-toggle {
    position: static;
}

.lang-toggle:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-bg);
}

.lang-toggle:active {
    transform: scale(0.95);
}

/* ============================================================================
   State Management
   ============================================================================ */

.state {
    display: none;
}

.state.active {
    display: block;
}

/* ============================================================================
   Cards
   ============================================================================ */

.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.card h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.card-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    text-align: center;
}

/* ============================================================================
   Forms
   ============================================================================ */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.form {
    transition: all 0.2s ease;
}

.file-input {
    display: none;
}

.file-label {
    display: block;
    padding: var(--spacing-md);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    color: var(--color-text-light);
}

.file-input:hover + .file-label,
.file-label:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary) 5%;
    color: var(--color-primary);
}

.file-input:focus + .file-label {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.file-input + .file-label.has-file {
    border-style: solid;
    border-color: var(--color-success);
    color: var(--color-success);
    background-color: rgba(16, 185, 129, 0.05);
}

.hint {
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

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

.btn-primary:active {
    transform: scale(0.98);
}

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

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

.btn-large {
    padding: 12px 24px;
    font-size: 14px;
    width: 100%;
}

.save-btn {
    padding: 4px 12px;
    font-size: 12px;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.save-btn:hover {
    background-color: var(--color-primary-dark);
}

.save-btn.saved {
    background-color: var(--color-success);
}

/* ============================================================================
   Loading Spinner
   ============================================================================ */

.spinner {
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    color: var(--color-text-light);
    font-size: 14px;
}

/* ============================================================================
   Tabs
   ============================================================================ */

.results-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--color-text);
}

.tab-btn-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    display: none;
}

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

/* ============================================================================
   Results
   ============================================================================ */

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: var(--radius-md);
}

.download-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.summary {
    display: flex;
    gap: var(--spacing-lg);
    flex: 1;
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.summary-label {
    font-size: 12px;
    color: var(--color-text-light);
    font-weight: 500;
}

.summary-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
}

.results-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* ============================================================================
   Settings Sections
   ============================================================================ */

.settings-section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    display: flex;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    gap: var(--spacing-sm);
}

.settings-section.new .section-title {
    color: var(--color-new);
}

.settings-section.changed .section-title {
    color: var(--color-changed);
}

.category-group {
    margin-bottom: var(--spacing-lg);
}

.category-summary {
    summary {
        cursor: pointer;
        font-weight: 500;
        padding: var(--spacing-sm) 0;
        color: var(--color-text);
        user-select: none;
    }

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

    summary::-webkit-details-marker {
        margin-right: var(--spacing-sm);
    }
}

details[open] > summary {
    margin-bottom: var(--spacing-md);
}

/* ============================================================================
   Setting Cards
   ============================================================================ */

.setting-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.settings-section.new .setting-card {
    border-left: 4px solid var(--color-new);
}

.settings-section.changed .setting-card {
    border-left: 4px solid var(--color-changed);
}

.setting-name {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.setting-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.category-badge {
    display: inline-block;
    padding: 2px 8px;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-light);
}

.value-badge {
    display: inline-block;
    padding: 2px 8px;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: var(--color-text-light);
    font-family: var(--font-mono);
}

/* ============================================================================
   Edit Rows
   ============================================================================ */

.edit-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.edit-row label {
    font-size: 12px;
    font-weight: 500;
    min-width: 100px;
    color: var(--color-text-light);
}

.edit-row input {
    flex: 1;
    min-width: 200px;
    padding: 6px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: var(--font-family);
}

.edit-row input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

/* ============================================================================
   Diff Block (for changed settings)
   ============================================================================ */

.diff-block {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 12px;
}

.change-section {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.change-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.change-section strong {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.value-change {
    padding: var(--spacing-sm);
    background-color: rgba(255, 152, 0, 0.05);
    border-radius: var(--radius-sm);
}

.options-change {
    padding: var(--spacing-sm);
    background-color: rgba(0, 102, 204, 0.05);
    border-radius: var(--radius-sm);
}

.change-prev,
.change-curr {
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-mono);
    padding-left: var(--spacing-md);
}

.change-label {
    display: inline-block;
    min-width: 80px;
    font-weight: 500;
    color: var(--color-text-light);
}

.options-added,
.options-disabled {
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
}

.options-added:last-child,
.options-disabled:last-child {
    margin-bottom: 0;
}

.option-label {
    font-size: 11px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.options-added .option-label {
    color: var(--color-success);
}

.options-disabled .option-label {
    color: var(--color-error);
}

.options-added ul,
.options-disabled ul {
    list-style: none;
    padding-left: var(--spacing-md);
}

.options-added li,
.options-disabled li {
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-mono);
    font-size: 12px;
}

.options-added li:before {
    content: "✓ ";
    color: var(--color-success);
    font-weight: bold;
}

.options-disabled li:before {
    content: "✗ ";
    color: var(--color-error);
    font-weight: bold;
}

code {
    background-color: var(--color-border);
    padding: 2px 4px;
    border-radius: 2px;
    font-family: var(--font-mono);
    font-size: 11px;
}

/* ============================================================================
   Authentication UI
   ============================================================================ */

.text-input {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: var(--font-family);
    transition: all 0.2s ease;
}

.text-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.12);
}

.login-error {
    padding: var(--spacing-md);
    background-color: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-error);
    font-size: 13px;
    margin-bottom: var(--spacing-md);
}

.header-controls {
    position: absolute;
    top: var(--spacing-md);
    right: 0;
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.logout-btn {
    border-color: var(--color-error);
    color: var(--color-text);
    transition: all 0.2s ease;
}

.logout-btn:hover {
    border-color: var(--color-error);
    color: var(--color-error);
    background-color: rgba(239, 68, 68, 0.05);
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 600px) {
    .container {
        padding: var(--spacing-md);
    }

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

    .results-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .summary {
        width: 100%;
        justify-content: space-around;
    }

    .download-buttons {
        flex-direction: column;
        width: 100%;
    }

    .download-buttons .btn {
        width: 100%;
    }

    .edit-row {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .edit-row label {
        min-width: auto;
    }

    .edit-row input {
        min-width: auto;
        width: 100%;
    }

    .btn-large {
        padding: 10px 16px;
        font-size: 13px;
    }

    .header-controls {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}