/* Custom Project Dialog */
.project-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-dialog-overlay.active {
    opacity: 1;
    visibility: visible;
}

.project-dialog {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 32px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-dialog-overlay.active .project-dialog {
    transform: scale(1) translateY(0);
}

.dialog-header {
    margin-bottom: 24px;
}

.dialog-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

.dialog-body {
    margin-bottom: 24px;
}

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

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-input:focus {
    border-color: var(--accent-color);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.1);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
}

.color-picker {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.color-option {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.2s ease;
    position: relative;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.selected {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--bg-primary);
}

.color-option.selected::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 20px;
    font-weight: bold;
}

.emoji-picker {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 8px;
}

.emoji-option {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    border-radius: 8px;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.emoji-option:hover {
    background: var(--bg-tertiary);
    transform: scale(1.1);
}

.emoji-option.selected {
    border-color: var(--accent-color);
    background: var(--bg-tertiary);
}

.dialog-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.dialog-btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dialog-btn-cancel {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.dialog-btn-cancel:hover {
    background: var(--bg-hover);
}

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

.dialog-btn-primary:hover {
    background: #0d8a6a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 163, 127, 0.3);
}

.dialog-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Project Detail View */
.project-detail-view {
    position: fixed;
    top: 0;
    left: 280px;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: 1000;
    overflow-y: auto;
    animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 768px) {
    .project-detail-view {
        left: 0;
    }
}

.project-detail-header {
    padding: 40px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.project-detail-title-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.project-detail-back {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.project-detail-back:hover {
    background: var(--bg-hover);
    transform: translateX(-2px);
}

.project-detail-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.project-detail-info {
    flex: 1;
}

.project-detail-name {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.project-detail-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.project-detail-stats {
    display: flex;
    gap: 24px;
    margin-top: 16px;
}

.project-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.project-stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

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

.project-action-btn-large {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.project-action-btn-large.primary:hover {
    background: #0d8a6a;
    transform: translateY(-1px);
}

.project-action-btn-large.secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

.project-action-btn-large.secondary:hover {
    background: var(--bg-hover);
    border-color: var(--accent-color);
}

.project-detail-content {
    padding: 40px;
}

.project-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    border-bottom: 2px solid var(--border-color);
}

.project-tab {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s ease;
}

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

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

.project-chats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.project-chat-card {
    padding: 20px;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.project-chat-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.project-chat-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.project-chat-preview {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-chat-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-secondary);
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Chat Selection Items */
.chat-select-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: 8px;
    margin-bottom: 8px;
    border: 1.5px solid var(--border-color);
    transition: all 0.2s ease;
}

.chat-select-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-color);
}

.chat-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.chat-checkbox:checked + label {
    color: var(--accent-color);
}