:root {
    /* Light theme colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --accent-color: #0d6efd;
    --accent-hover: #0b5ed7;
    --success-color: #198754;
    --success-hover: #157347;
    --warning-color: #ffc107;
    --warning-hover: #ffca2c;
    --danger-color: #dc3545;
    --danger-hover: #bb2d3b;
    --info-color: #0dcaf0;
    --info-hover: #31d2f2;
    --code-bg: #f8f9fa;
    --code-text: #212529;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    /* Dark theme colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --border-color: #495057;
    --accent-color: #0d6efd;
    --accent-hover: #3d8bfd;
    --success-color: #198754;
    --success-hover: #20c997;
    --warning-color: #ffc107;
    --warning-hover: #ffcd39;
    --danger-color: #dc3545;
    --danger-hover: #e35d6a;
    --info-color: #0dcaf0;
    --info-hover: #3dd5f3;
    --code-bg: #2d2d2d;
    --code-text: #e9ecef;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
.header {
    background: var(--bg-primary);
    padding: 24px;
    margin-bottom: 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.header h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Theme toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.theme-toggle-btn:hover {
    background: var(--bg-tertiary);
    transform: translateY(-1px);
}

/* Sections */
.section {
    background: var(--bg-primary);
    padding: 24px;
    margin-bottom: 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.section h2 {
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.section h3 {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

/* Operation boxes */
.operation-box {
    background: var(--bg-secondary);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.operation-box h3 {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="file"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s;
}

.form-group input[type="text"]:focus,
.form-group input[type="number"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
    min-height: 80px;
}

.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 12px;
}

.form-group .help-text {
    display: block;
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 13px;
}

/* Checkbox and radio */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-check label {
    margin-bottom: 0;
    cursor: pointer;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

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

.btn-success:hover:not(:disabled) {
    background: var(--success-hover);
}

.btn-warning {
    background: var(--warning-color);
    color: #000;
}

.btn-warning:hover:not(:disabled) {
    background: var(--warning-hover);
}

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

.btn-danger:hover:not(:disabled) {
    background: var(--danger-hover);
}

.btn-info {
    background: var(--info-color);
    color: #000;
}

.btn-info:hover:not(:disabled) {
    background: var(--info-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-secondary);
}

/* Result and error boxes */
.result-box {
    margin-top: 16px;
    padding: 16px;
    border-radius: 6px;
    border: 1px solid;
}

.result-box.success {
    background: rgba(25, 135, 84, 0.1);
    border-color: var(--success-color);
}

.result-box.error {
    background: rgba(220, 53, 69, 0.1);
    border-color: var(--danger-color);
}

.result-box.info {
    background: rgba(13, 202, 240, 0.1);
    border-color: var(--info-color);
}

.result-box h3,
.result-box h4 {
    margin-bottom: 12px;
}

.result-box pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 12px;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.5;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    border: 1px solid var(--border-color);
}

.error-box {
    margin-top: 16px;
    padding: 16px;
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--danger-color);
    border-radius: 6px;
    color: var(--danger-color);
    font-weight: 500;
}

/* Info grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.info-item {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.info-item strong {
    color: var(--accent-color);
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
}

.info-item span {
    color: var(--text-primary);
    font-size: 14px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 10px 20px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
    margin-bottom: -2px;
}

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

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

.tab-content {
    display: none;
}

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

/* Command editor */
.command-list {
    margin-top: 16px;
}

.command-item {
    background: var(--bg-secondary);
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.command-info {
    flex: 1;
}

.command-info strong {
    color: var(--accent-color);
    font-size: 14px;
}

.command-info p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

.command-actions {
    display: flex;
    gap: 8px;
}

.command-actions button {
    padding: 6px 12px;
    font-size: 12px;
}

/* Webhook info */
.webhook-info-item {
    background: var(--bg-secondary);
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.webhook-info-item strong {
    color: var(--info-color);
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
}

/* Chat info */
.chat-info-section {
    margin-top: 16px;
}

.chat-member-item {
    background: var(--bg-secondary);
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.chat-member-item .member-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.chat-member-item .member-name {
    font-weight: 600;
    color: var(--text-primary);
}

.chat-member-item .member-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.member-status.creator {
    background: rgba(220, 53, 69, 0.2);
    color: var(--danger-color);
}

.member-status.administrator {
    background: rgba(13, 110, 253, 0.2);
    color: var(--accent-color);
}

.member-status.member {
    background: rgba(108, 117, 125, 0.2);
    color: var(--text-secondary);
}

/* File info */
.file-info-box {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    margin-top: 16px;
}

.file-info-box .file-download {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 16px;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.file-info-box .file-download:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Documentation hints */
.doc-hint {
    background: var(--bg-secondary);
    padding: 12px;
    margin-top: 8px;
    border-radius: 6px;
    border-left: 3px solid var(--info-color);
    font-size: 13px;
    color: var(--text-secondary);
}

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

.doc-hint a:hover {
    text-decoration: underline;
}

/* Loading state */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .header h1 {
        font-size: 24px;
    }

    .section {
        padding: 16px;
    }

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

    .tabs {
        flex-wrap: wrap;
    }
}

/* Utilities */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-secondary); }
.fw-bold { font-weight: 600; }