/* css/pages/ai-assistant.css — AI Travel Assistant Styles */

/* ════════════════════════════════════════════════════════════════════
   AI HEADER
   ════════════════════════════════════════════════════════════════════ */
.ai-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: 1.5rem;
    border: 2px solid var(--sunset-orange);
    position: relative;
    overflow: hidden;
}

.ai-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--sunset-orange), var(--ocean-teal), var(--sunset-orange));
    background-size: 200% 100%;
    animation: aiGlow 3s ease infinite;
}

@keyframes aiGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.ai-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sunset-orange) 0%, var(--ocean-teal) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

.ai-avatar i {
    font-size: 2rem;
    color: white;
}

.ai-status {
    position: absolute;
    bottom: 3px;
    right: 3px;
    width: 14px;
    height: 14px;
    background: #20c997;
    border-radius: 50%;
    border: 2px solid var(--bg-card);
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(32, 201, 151, 0.7); }
    50% { box-shadow: 0 0 0 8px rgba(32, 201, 151, 0); }
}

.ai-info {
    flex: 1;
}

.ai-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ai-subtitle {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.ai-badges {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-end;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.ai-badge-primary {
    background: rgba(255, 107, 53, 0.15);
    color: var(--sunset-orange);
}

.ai-badge-success {
    background: rgba(32, 201, 151, 0.15);
    color: #20c997;
}

.ai-badge i {
    font-size: 0.7rem;
}

/* ════════════════════════════════════════════════════════════════════
   AI TABS
   ════════════════════════════════════════════════════════════════════ */
.ai-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
}

.ai-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.ai-tab:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.ai-tab.active {
    background: var(--sunset-orange);
    border-color: var(--sunset-orange);
    color: white;
}

.ai-tab i {
    font-size: 0.9rem;
}

/* ════════════════════════════════════════════════════════════════════
   TAB CONTENT
   ════════════════════════════════════════════════════════════════════ */
.ai-tab-content {
    display: none;
}

.ai-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ════════════════════════════════════════════════════════════════════
   CHAT TAB
   ════════════════════════════════════════════════════════════════════ */
.ai-chat-container {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.ai-chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 1.5rem;
    background: var(--bg-secondary);
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.ai-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.ai-chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.ai-welcome {
    text-align: center;
    padding: 2rem;
}

.ai-welcome-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sunset-orange), var(--ocean-teal));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.ai-welcome-icon i {
    font-size: 2.5rem;
    color: white;
}

.ai-welcome h3 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.ai-welcome p {
    margin: 0 0 1.5rem;
    color: var(--text-muted);
}

.ai-capabilities {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    max-width: 600px;
    margin: 0 auto;
}

.ai-capability {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.ai-capability i {
    color: var(--sunset-orange);
    font-size: 1rem;
    width: 20px;
}

/* Chat Messages */
.ai-message {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    animation: messageSlide 0.3s ease;
}

.ai-message.user {
    flex-direction: row-reverse;
}

@keyframes messageSlide {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.ai-message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-message.ai .ai-message-avatar {
    background: var(--sunset-orange);
}

.ai-message.user .ai-message-avatar {
    background: var(--bg-elevated);
}

.ai-message-avatar i {
    font-size: 0.9rem;
    color: white;
}

.ai-message.user .ai-message-avatar i {
    color: var(--text-muted);
}

.ai-message-content {
    flex: 1;
    max-width: 80%;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    line-height: 1.6;
}

.ai-message.ai .ai-message-content {
    background: var(--bg-card);
    border-top-left-radius: 4px;
    color: var(--text-primary);
}

.ai-message.user .ai-message-content {
    background: var(--sunset-orange);
    color: white;
    border-top-right-radius: 4px;
}

.ai-typing {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.ai-typing-dots {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border-top-left-radius: 4px;
}

.ai-typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingBounce 1.4s ease infinite;
}

.ai-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.ai-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

/* Quick Actions */
.ai-quick-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.ai-quick-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-right: 0.25rem;
}

.ai-quick-chip {
    padding: 0.4rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-size: 0.8rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.ai-quick-chip:hover {
    background: var(--sunset-orange);
    border-color: var(--sunset-orange);
    color: white;
}

/* Input Area */
.ai-input-area {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-card);
}

.ai-input-wrapper {
    flex: 1;
    position: relative;
}

.ai-input {
    width: 100%;
    padding: 0.875rem 3rem 0.875rem 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ai-input:focus {
    outline: none;
    border-color: var(--sunset-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.ai-mic-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s;
}

.ai-mic-btn:hover {
    background: var(--bg-elevated);
    color: var(--sunset-orange);
}

.ai-send-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--sunset-orange);
    color: white;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

/* ════════════════════════════════════════════════════════════════════
   TRANSLATE TAB
   ════════════════════════════════════════════════════════════════════ */
.translate-card,
.advice-card,
.phrases-card,
.currency-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
}

.translate-header,
.advice-header,
.phrases-header,
.currency-header {
    margin-bottom: 1.5rem;
}

.translate-header h3,
.advice-header h3,
.phrases-header h3,
.currency-header h3 {
    margin: 0 0 0.25rem;
    font-size: 1.1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.translate-header h3 i,
.advice-header h3 i,
.phrases-header h3 i,
.currency-header h3 i {
    color: var(--sunset-orange);
}

.translate-header p,
.advice-header p,
.phrases-header p,
.currency-header p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.translate-languages {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.language-select-group {
    flex: 1;
}

.language-select-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    font-weight: 600;
}

.ai-select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

.ai-select:focus {
    outline: none;
    border-color: var(--sunset-orange);
}

.ai-swap-btn {
    width: 40px;
    height: 40px;
    border: 1.5px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-muted);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 0.25rem;
}

.ai-swap-btn:hover {
    border-color: var(--sunset-orange);
    color: var(--sunset-orange);
    transform: rotate(180deg);
}

.translate-inputs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.translate-input-group,
.translate-output-group {
    position: relative;
}

.ai-textarea {
    width: 100%;
    min-height: 120px;
    padding: 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s;
}

.ai-textarea:focus {
    outline: none;
    border-color: var(--sunset-orange);
}

.char-count {
    position: absolute;
    bottom: 0.75rem;
    right: 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.ai-translate-btn {
    align-self: center;
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--sunset-orange), var(--ocean-teal));
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ai-translate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

.ai-output {
    min-height: 120px;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    color: var(--text-primary);
}

.ai-output .placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.ai-context {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255, 107, 53, 0.08);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: var(--radius-lg);
}

.ai-context h4 {
    margin: 0 0 0.5rem;
    font-size: 0.85rem;
    color: var(--sunset-orange);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.ai-context p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.translate-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: flex-end;
}

.ai-action-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.ai-action-btn:hover {
    background: var(--sunset-orange);
    border-color: var(--sunset-orange);
    color: white;
}

/* ════════════════════════════════════════════════════════════════════
   ADVICE TAB
   ════════════════════════════════════════════════════════════════════ */
.advice-search {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.advice-input-group {
    flex: 1;
    position: relative;
}

.advice-input-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sunset-orange);
}

.advice-input-group .ai-input {
    padding-left: 2.5rem;
}

.advice-types {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.advice-type {
    cursor: pointer;
}

.advice-type input {
    display: none;
}

.advice-type span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.advice-type:hover span {
    border-color: var(--sunset-orange);
}

.advice-type input:checked + span {
    background: var(--sunset-orange);
    border-color: var(--sunset-orange);
    color: white;
}

.advice-output {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.advice-loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

.advice-loading i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--sunset-orange);
}

.advice-content {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.advice-content h4 {
    color: var(--sunset-orange);
    margin: 1.5rem 0 0.75rem;
}

/* ════════════════════════════════════════════════════════════════════
   PHRASES TAB
   ════════════════════════════════════════════════════════════════════ */
.phrases-setup {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.phrases-input-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    font-weight: 600;
}

.phrases-scenarios {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.phrase-scenario {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.phrase-scenario:hover {
    border-color: var(--sunset-orange);
}

.phrase-scenario.active {
    background: var(--sunset-orange);
    border-color: var(--sunset-orange);
    color: white;
}

.phrase-scenario i {
    font-size: 0.9rem;
}

.phrases-output {
    margin-top: 1.5rem;
}

.phrases-loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

.phrases-loading i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--sunset-orange);
}

.phrases-list {
    display: grid;
    gap: 1rem;
}

.phrase-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.phrase-number {
    width: 28px;
    height: 28px;
    background: var(--sunset-orange);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.phrase-content {
    flex: 1;
}

.phrase-english {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.phrase-translation {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.phrase-pronunciation {
    font-size: 0.85rem;
    color: var(--sunset-orange);
    font-style: italic;
}

/* ════════════════════════════════════════════════════════════════════
   CURRENCY TAB
   ════════════════════════════════════════════════════════════════════ */
.currency-converter {
    display: grid;
    grid-template-columns: 1fr 2fr auto 2fr;
    gap: 1rem;
    align-items: end;
    margin-bottom: 1.5rem;
}

.currency-input-group label,
.currency-select-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    font-weight: 600;
}

.currency-input-group input {
    font-size: 1.1rem;
    font-weight: 600;
}

.currency-result {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
}

.result-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--sunset-orange);
    margin-bottom: 0.5rem;
}

.result-rate {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.result-tip {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* ════════════════════════════════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════════════════════════════════ */
.ai-btn-primary {
    padding: 0.75rem 1.5rem;
    background: var(--sunset-orange);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.ai-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.ai-btn-full {
    width: 100%;
    justify-content: center;
}

/* ════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .ai-header {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }
    
    .ai-badges {
        flex-direction: row;
        justify-content: center;
    }
    
    .ai-tabs {
        gap: 0.35rem;
    }
    
    .ai-tab {
        padding: 0.6rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .ai-tab span {
        display: none;
    }
    
    .translate-languages {
        flex-direction: column;
        align-items: stretch;
    }
    
    .ai-swap-btn {
        align-self: center;
        transform: rotate(90deg);
    }
    
    .ai-swap-btn:hover {
        transform: rotate(270deg);
    }
    
    .phrases-setup {
        grid-template-columns: 1fr;
    }
    
    .currency-converter {
        grid-template-columns: 1fr 1fr;
    }
    
    .currency-converter .ai-swap-btn {
        grid-column: span 2;
        justify-self: center;
    }
    
    .advice-search {
        flex-direction: column;
    }
    
    .ai-capabilities {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .ai-chat-messages {
        height: 300px;
        padding: 1rem;
    }
    
    .ai-quick-actions {
        gap: 0.35rem;
    }
    
    .ai-quick-chip {
        font-size: 0.75rem;
        padding: 0.35rem 0.6rem;
    }
    
    .translate-card,
    .advice-card,
    .phrases-card,
    .currency-card {
        padding: 1rem;
    }
}