/* CSS Variables */
:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f3460;
    --text-primary: #eee;
    --text-secondary: #aaa;
    --accent-primary: #e94560;
    --accent-secondary: #0f3460;
    --border-color: #2a2a4a;
    --message-user-bg: #0f3460;
    --message-assistant-bg: #16213e;
    --input-bg: #0f0f1a;
    --btn-primary-bg: #e94560;
    --btn-secondary-bg: #2a2a4a;
    --success: #00d26a;
    --warning: #ffc107;
    --danger: #e94560;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

a:hover {
    text-decoration: underline;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

.import-btn {
    cursor: pointer;
}

/* Template List */
.template-list {
    display: grid;
    gap: 1rem;
}

.template-card {
    position: relative;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.template-card:hover .delete-card-btn {
    opacity: 1;
}

.template-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.template-card h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.template-description {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.template-card-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.template-actions {
    display: flex;
    gap: 0.5rem;
}

/* Template Details */
.template-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.detail-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.setting-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.participants-grid {
    display: grid;
    gap: 1rem;
}

.participant-card {
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.participant-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.participant-card .participant-name {
    font-weight: 600;
    color: var(--accent-primary);
}

.participant-model {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.participant-model-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: monospace;
    opacity: 0.7;
}

.participant-prompt {
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.participant-prompt pre {
    background: var(--bg-tertiary);
    padding: 0.5rem;
    border-radius: 4px;
    margin-top: 0.25rem;
    white-space: pre-wrap;
    font-size: 0.8rem;
}

.badge-sm {
    font-size: 0.65rem;
    padding: 0.15rem 0.35rem;
}

.template-actions-bottom {
    margin-top: 2rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
}

.modal-content h2 {
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: #c73e54;
}

.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #3a3a5a;
}

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

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--accent-secondary);
    color: var(--text-secondary);
    border-radius: 4px;
    font-size: 0.75rem;
    text-transform: uppercase;
}

/* Chat List */
.chat-list {
    display: grid;
    gap: 1rem;
}

.chat-card-wrapper {
    position: relative;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
}

.chat-card-wrapper:hover {
    border-color: var(--accent-primary);
}

.chat-card {
    display: block;
}

.chat-card:hover {
    text-decoration: none;
}

.chat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding-right: 1.5rem; /* Room for delete button */
}

.chat-card h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.chat-card-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.chat-card-date {
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.delete-card-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    opacity: 0;
    transition: opacity 0.2s, background 0.2s, color 0.2s;
}

.chat-card-wrapper:hover .delete-card-btn {
    opacity: 1;
}

.delete-card-btn:hover {
    background: var(--accent-danger);
    color: white;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.empty-state p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Forms */
.form {
    max-width: 800px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
}

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

.form-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.form-section h2 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Participant Form */
.participant-form {
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.participant-form .form-group {
    margin-bottom: 1rem;
}

/* Chat View */
.chat-container {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 1rem;
    height: calc(100vh - 120px);
}

.chat-sidebar {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chat-info h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.chat-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.participants-section h2 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.participants-list {
    list-style: none;
}

.participant-item {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.participant-name {
    display: block;
    font-weight: 500;
}

.participant-model {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.chat-actions {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.auto-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 0.875rem;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Chat Main */
.chat-main {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    padding: 1rem;
    border-radius: 8px;
    max-width: 85%;
}

.user-message {
    background: var(--message-user-bg);
    align-self: flex-end;
}

.assistant-message {
    background: var(--message-assistant-bg);
    align-self: flex-start;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.message-sender {
    font-weight: 600;
    color: var(--accent-primary);
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.message-content {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.typing-indicator {
    font-size: 0.75rem;
    color: var(--text-secondary);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Message Form */
.message-form {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

.message-form textarea {
    flex: 1;
    padding: 0.75rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
    resize: none;
}

.message-form textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Image Gallery */
.image-gallery {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
}

.image-gallery h2 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.gallery-placeholder {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1400px) {
    .chat-container {
        grid-template-columns: 240px 1fr 200px;
    }

    .image-gallery {
        padding: 1rem;
    }
}

@media (max-width: 1100px) {
    .chat-container {
        grid-template-columns: 220px 1fr;
    }

    .image-gallery {
        display: none;
    }
}

@media (max-width: 768px) {
    .chat-container {
        grid-template-columns: 1fr;
        height: auto;
    }

    .chat-sidebar {
        order: 2;
    }

    .chat-main {
        height: 60vh;
    }
}

/* Tools Checkbox List */
.tools-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tool-checkbox {
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.tool-checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    margin: 0;
}

.tool-checkbox input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
    cursor: pointer;
}

.tool-checkbox strong {
    color: var(--accent-primary);
}

.form-help {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.text-muted {
    color: var(--text-secondary);
}

/* Tools section in chat sidebar */
.tools-section h2 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tools-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 4px;
    font-size: 0.75rem;
}

/* Image Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.gallery-item {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Image Modal */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.image-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.image-modal-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
}

.image-modal-caption {
    margin-top: 1rem;
    padding: 0 2rem;
    color: var(--text-secondary);
    text-align: center;
    font-size: 0.9rem;
    max-width: 600px;
}

.image-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
}

.image-modal-close:hover {
    color: var(--accent-primary);
}

.image-modal-prev,
.image-modal-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 2.5rem;
    padding: 1rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s;
}

.image-modal-prev:hover,
.image-modal-next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.image-modal-prev {
    left: -60px;
}

.image-modal-next {
    right: -60px;
}

/* Notification Toast */
.notification-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 0.875rem;
    z-index: 10000;
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-width: 90%;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.notification-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Model Autocomplete Suggestions */
.model-input-container {
    position: relative;
}

.model-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    margin-top: 2px;
}

.model-suggestions:empty {
    display: none;
}

.model-suggestion {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-family: monospace;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
}

.model-suggestion:last-child {
    border-bottom: none;
}

.model-suggestion:hover {
    background: var(--bg-tertiary);
}

.model-suggestion-empty {
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
}