/**
 * Chatbot UI Base Styles
 * Variables, Reset, Layout, Utilities, Toast Notifications
 */

/* ========== CSS Variables ========== */
:root {
    --wa-bg-dark: #111b21;
    --wa-bg-darker: #0b141a;
    --wa-bg-panel: #202c33;
    --wa-bg-input: #2a3942;
    --wa-bg-hover: #2a3942;
    --wa-bg-active: #2a3942;
    --wa-border: #2a3942;
    --wa-text: #e9edef;
    --wa-text-secondary: #8696a0;
    --wa-green: #00a884;
    --wa-green-dark: #005c4b;
    --wa-bubble-out: #005c4b;
    --wa-bubble-in: #202c33;

    /* Extended variables */
    --wa-bg-secondary: var(--wa-bg-panel);
    --wa-bg-tertiary: var(--wa-bg-input);
    --wa-bg: var(--wa-bg-dark);
    --wa-hover: var(--wa-bg-hover);
    --wa-accent: var(--wa-green);
    --wa-warning: #f59e0b;
    --wa-text-primary: var(--wa-text);
    --wa-text-muted: #6b7280;
}

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

body.chatbot-page {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--wa-bg-dark);
    color: var(--wa-text);
    height: 100vh;
    height: 100dvh; /* iOS Safari dynamic viewport */
    min-width: 700px;
    overflow-x: auto;
    overflow-y: hidden;
    /* Mobile touch optimizations */
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

/* ========== Main App Container ========== */
.app-container {
    display: flex;
    height: 100vh;
    height: 100dvh; /* iOS Safari dynamic viewport */
    min-height: 700px;
    min-width: 700px;
}

/* ========== Scrollbar ========== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--wa-text-secondary);
    border-radius: 3px;
}

/* ========== Toast Notification ========== */
.toast-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    z-index: 9999;
    animation: toastSlideIn 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.toast-notification i {
    font-size: 1.2rem;
}

.toast-info {
    background: var(--wa-bg-panel);
    color: var(--wa-text);
    border-left: 4px solid var(--wa-green);
}

.toast-success {
    background: #065f46;
    color: #d1fae5;
    border-left: 4px solid #10b981;
}

.toast-error {
    background: #7f1d1d;
    color: #fecaca;
    border-left: 4px solid #ef4444;
}

.toast-hide {
    animation: toastSlideOut 0.3s ease forwards;
}

@keyframes toastSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toastSlideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* ========== Common Animations ========== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ========== Common Utilities ========== */
.btn-secondary {
    padding: 8px 16px;
    background: var(--wa-bg-input);
    border: 1px solid var(--wa-border);
    color: var(--wa-text);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

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

.btn-danger {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    background: #ef4444;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s;
}

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

/* ========== Empty List Placeholder ========== */
.empty-list {
    padding: 30px 20px;
    text-align: center;
    color: var(--wa-text-secondary);
    font-size: 0.85rem;
}

.empty-list i {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
    opacity: 0.5;
}

.empty-list.small {
    padding: 8px 16px;
    font-size: 0.8rem;
    color: var(--wa-text-secondary);
}

/* ========== Empty State ========== */
.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--wa-text-secondary);
    padding: 40px;
    text-align: center;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 16px;
    color: var(--wa-green);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--wa-text);
}

.empty-state p {
    font-size: 0.9rem;
}

/* ========== Empty chat list style ========== */
.empty-chat-list {
    padding: 40px 20px;
    text-align: center;
    color: var(--wa-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ========== Metadata Bar ========== */
.metadata-bar {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 8px 16px;
    margin: 8px auto;
    background: var(--wa-bg-panel);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--wa-text-secondary);
    max-width: fit-content;
}

.metadata-bar span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.metadata-bar i {
    font-size: 0.85rem;
    color: var(--wa-green);
}

/* ========== Turn Count Badge ========== */
.turn-count-badge {
    background: var(--wa-bg-input);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    color: var(--wa-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: help;
}

.turn-count-badge i {
    font-size: 0.8rem;
    color: var(--wa-green);
}

/* ========== WebSocket Status ========== */
.ws-status {
    font-size: 0.75rem;
    padding: 6px 16px;
    color: var(--wa-text-secondary);
    border-bottom: 1px solid var(--wa-border);
}

.ws-indicator {
    font-size: 0.6rem;
}

.ws-indicator.connected {
    color: #22c55e;
}

.ws-indicator.disconnected {
    color: #ef4444;
}

/* ========== Status Indicator ========== */
.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ef4444;
}

.status-indicator.connected {
    background: #22c55e;
}

.status-indicator.disconnected {
    background: #ef4444;
}

/* ========== Batch Progress Bar ========== */
.batch-progress-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--wa-bg-panel);
    border-bottom: 1px solid var(--wa-border);
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.batch-progress-bar.fade-out {
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.batch-progress-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.batch-progress-title {
    font-weight: 600;
    color: var(--wa-text);
    font-size: 14px;
}

.batch-progress-count {
    color: var(--wa-green);
    font-weight: 600;
    font-size: 13px;
}

.batch-stop-btn {
    margin-left: auto;
    background: #ef4444;
    border: none;
    border-radius: 4px;
    padding: 4px 8px;
    color: white;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: background 0.2s;
}

.batch-stop-btn:hover {
    background: #dc2626;
}

.batch-progress-track {
    height: 6px;
    background: var(--wa-bg-input);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 6px;
}

.batch-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--wa-green), #22c55e);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.batch-progress-message {
    font-size: 12px;
    color: var(--wa-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ========== System Message ========== */
.message.system-message {
    background: var(--wa-bg-input);
    border-left: 3px solid var(--wa-green);
    margin: 8px 16px;
    padding: 12px 16px;
    border-radius: 8px;
}

.message.system-message .message-content {
    font-size: 13px;
    line-height: 1.6;
}

.message.system-message h2,
.message.system-message h3 {
    color: var(--wa-text);
    margin-bottom: 8px;
    font-size: 15px;
}

.message.system-message ul,
.message.system-message ol {
    margin-left: 20px;
    margin-bottom: 8px;
}

.message.system-message li {
    margin-bottom: 4px;
}

/* ========== Chat View ========== */
#chatView {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* ========== MCP 연결 버튼 ========== */
.mcp-connect-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    margin: 20px 0;
}

.mcp-connect-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

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

.mcp-connect-btn.connected {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

.mcp-connect-btn.loading {
    opacity: 0.7;
    cursor: wait;
}

.mcp-connect-btn i {
    font-size: 20px;
}

.mcp-connect-btn i.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========== Actions Menu Toggle (Desktop) ========== */
.actions-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--wa-text-secondary);
    font-size: 1.2rem;
    padding: 8px;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.15s;
}

.actions-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--wa-text);
}

/* Show dropdown on desktop too */
.mobile-actions-dropdown {
    position: absolute;
    top: 100%;
    right: 10px;
    background: var(--wa-bg-panel);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    min-width: 220px;
    z-index: 1000;
    overflow: hidden;
    margin-top: 8px;
}

.mobile-action-item {
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: var(--wa-text);
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: background 0.15s;
    font-size: 0.875rem;
}

.mobile-action-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.mobile-action-item i {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.mobile-action-item.delete-action:hover {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
}

/* ========== Chatbot Progress Modal ========== */
.chatbot-progress-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--wa-bg-dark);
    border: 1px solid var(--wa-border);
    border-radius: 12px;
    padding: 24px;
    min-width: 400px;
    max-width: 600px;
    z-index: 10000;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.chatbot-progress-modal .progress-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chatbot-progress-modal .progress-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.chatbot-progress-modal .progress-header i {
    font-size: 1.5rem;
    color: var(--wa-green);
}

.chatbot-progress-modal .progress-header h4 {
    margin: 0;
    color: var(--wa-text);
    font-size: 1.1rem;
    font-weight: 600;
}

.chatbot-progress-modal .progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--wa-bg-panel);
    border-radius: 4px;
    overflow: hidden;
}

.chatbot-progress-modal .progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #8BC34A);
    transition: width 0.3s ease;
}

.chatbot-progress-modal .progress-status {
    font-size: 14px;
    color: var(--wa-text-secondary);
}

.chatbot-progress-modal .progress-details {
    font-size: 12px;
    color: var(--wa-text-secondary);
    max-height: 120px;
    overflow-y: auto;
}

.chatbot-progress-modal .detail-item {
    padding: 4px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chatbot-progress-modal .detail-item i {
    font-size: 0.9rem;
}

.chatbot-progress-modal .detail-item.info { color: #2196F3; }
.chatbot-progress-modal .detail-item.done { color: #4CAF50; }
.chatbot-progress-modal .detail-item.error { color: #f44336; }
.chatbot-progress-modal .detail-item.warn { color: #ff9800; }