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

:root[data-theme="light"] {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --code-bg: #f1f5f9;
}

:root[data-theme="dark"], :root {
    --primary-color: #3b82f6;
    --secondary-color: #94a3b8;
    --success-color: #10b981;
    --error-color: #ef4444;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --border-color: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --code-bg: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
}

.login-box h1 {
    color: var(--primary-color);
    margin-bottom: 8px;
    text-align: center;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hint {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 16px;
}

/* App Layout */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    color: var(--primary-color);
    font-size: 24px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

#username-display {
    color: var(--text-secondary);
    font-weight: 500;
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.sidebar {
    width: 320px;
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h2 {
    font-size: 18px;
}

.filter-group {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.prompts-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.prompt-item {
    padding: 12px;
    margin-bottom: 4px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    border: 1px solid transparent;
}

.prompt-item:hover {
    background-color: var(--bg-color);
}

.prompt-item.active {
    background-color: #dbeafe;
    border-color: var(--primary-color);
}

.prompt-item-name {
    font-weight: 500;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prompt-item-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-secondary);
}

.prompt-stats {
    display: flex;
    gap: 8px;
}

.stat-success {
    color: var(--success-color);
}

.stat-error {
    color: var(--error-color);
}

.content-area {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-color);
}

.welcome-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-secondary);
}

.prompt-details {
    padding: 24px;
    max-width: 1200px;
}

.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.prompt-header h2 {
    font-size: 28px;
}

.prompt-actions {
    display: flex;
    gap: 12px;
}

.prompt-info {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 24px;
}

.info-row {
    display: flex;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-row .label {
    font-weight: 600;
    width: 120px;
    color: var(--text-secondary);
}

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

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

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

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

.tab-content {
    display: none;
}

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

.section {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.section h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.code-block {
    background: var(--code-bg);
    padding: 16px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

input[type="text"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
}

textarea {
    resize: vertical;
}

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

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

.btn-primary:hover {
    background-color: #1d4ed8;
}

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

.btn-secondary:hover {
    background-color: #475569;
}

.btn-small {
    padding: 6px 12px;
    font-size: 13px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 12px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 20px;
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
}

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

.modal-content form {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

/* Error Messages */
.error-message {
    background-color: #fee2e2;
    color: var(--error-color);
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 16px;
}

/* Notes */
.message-item.resolved {
    opacity: 0.7;
    border-left: 3px solid var(--success-color);
}

/* Execution Results */
.execution-item {
    background: var(--card-bg);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 4px solid var(--border-color);
}

.execution-item.correct {
    border-left-color: var(--success-color);
}

.execution-item.incorrect {
    border-left-color: var(--error-color);
}

.execution-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.execution-time {
    color: var(--text-secondary);
    font-size: 14px;
}

.evaluation-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.evaluation-badge.success {
    background-color: #d1fae5;
    color: var(--success-color);
}

.evaluation-badge.error {
    background-color: #fee2e2;
    color: var(--error-color);
}

/* History */
.history-item {
    background: var(--card-bg);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 12px;
}

.history-meta {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.history-change {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 8px;
}

.history-old,
.history-new {
    padding: 8px;
    background: var(--bg-color);
    border-radius: 4px;
    font-size: 13px;
}

.history-old {
    opacity: 0.7;
}

/* Loading State */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* Conversation Messages */
.message-item {
    background: var(--bg-color);
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 8px;
    border-left: 3px solid var(--primary-color);
}

.message-item.assistant {
    border-left-color: var(--success-color);
}

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

.message-role {
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.message-role.user {
    color: var(--primary-color);
}

.message-role.assistant {
    color: var(--success-color);
}

.message-content {
    font-size: 14px;
    white-space: pre-wrap;
    word-break: break-word;
}

.message-image {
    max-width: 200px;
    margin-top: 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.help-text {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

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

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

.execution-version {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* JSON Formatting */
.json-formatted {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    background: var(--code-bg);
    padding: 16px;
    border-radius: 6px;
    line-height: 1.6;
}

.json-field {
    margin-bottom: 12px;
    padding: 8px;
    background: white;
    border-radius: 4px;
    border-left: 3px solid var(--primary-color);
}

.json-key {
    font-weight: 600;
    color: #0369a1;
}

.json-string {
    color: #059669;
}

.json-string-long {
    color: #059669;
    margin-top: 8px;
    padding: 8px;
    background: #f0fdf4;
    border-radius: 4px;
    white-space: pre-wrap;
    word-break: break-word;
}

.json-number {
    color: #dc2626;
}

.json-boolean {
    color: #9333ea;
    font-weight: 600;
}

.json-null {
    color: #6b7280;
    font-style: italic;
}

.json-array-content {
    margin-top: 8px;
    margin-left: 16px;
}

.json-array-item {
    margin-bottom: 4px;
    padding: 4px;
    background: #fef3c7;
    border-radius: 3px;
}

.json-array-index {
    font-weight: 600;
    color: #92400e;
}

.json-object {
    margin-top: 8px;
    padding: 8px;
    background: #ede9fe;
    border-radius: 4px;
    font-size: 13px;
    overflow-x: auto;
}

.error-message {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px;
    border-radius: 6px;
    border-left: 4px solid var(--error-color);
    margin-top: 8px;
}