/* === Chat AI Styles === */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --danger-dark: #b91c1c;
    --white: #ffffff;
    --text-light: #64748b;
    --text-dark: #1e293b;
    --border: #e2e8f0;
    --radius: 12px;
    --transition: all 0.3s ease;
}

.chat-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.chat-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    margin-left: -15px;
    margin-right: 60px;
}

.chat-header .logo i {
    font-size: 28px;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-right: 50px;
}

.status-badge.online {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.online i {
    font-size: 8px;
    animation: pulse 2s infinite;
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--primary);
    font-size: 20px;
    cursor: pointer;
    padding: 5px 10px;
    margin-left: auto;
    margin-right: -10px;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 20px;
    cursor: pointer;
    padding: 5px;
    margin-right: 10px;
}

/* Chat Container */
.chat-container {
    min-height: calc(100vh - 70px);
    background: var(--bg);
}

.chat-wrapper {
    display: grid;
    grid-template-columns: 320px 1fr;
    min-height: calc(100vh - 70px);
}

/* Sidebar */
.chat-sidebar {
    background: var(--white);
    border-right: 1px solid var(--border);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.sidebar-header i {
    font-size: 32px;
    color: var(--primary);
}

.sidebar-header h3 {
    font-size: 20px;
    color: var(--dark);
}

.sidebar-info .info-text {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 14px;
    color: var(--text);
    margin-bottom: 15px;
}

.sidebar-info .info-text i {
    color: var(--primary);
    margin-top: 3px;
}

.help-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.help-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text);
}

.help-list li i {
    color: var(--success);
    font-size: 12px;
}

.sidebar-warning {
    background: #fef3c7;
    border: 1px solid #fcd34d;
    border-radius: var(--radius);
    padding: 15px;
    font-size: 13px;
    color: #92400e;
}

.sidebar-warning i {
    color: #f59e0b;
    margin-right: 5px;
}

.sidebar-warning strong {
    color: #78350f;
}

.btn-full {
    width: 100%;
    margin-top: auto;
}

/* Chat Main */
.chat-main {
    display: flex;
    flex-direction: column;
    background: var(--bg);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Messages */
.message {
    display: flex;
    gap: 15px;
    max-width: 80%;
    animation: fadeIn 0.3s ease;
}

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

.ai-message {
    align-self: flex-start;
}

.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-message .message-avatar {
    background: var(--primary);
    color: var(--white);
}

.user-message .message-avatar {
    background: var(--success);
    color: var(--white);
}

.message-content {
    background: var(--white);
    border-radius: var(--radius);
    padding: 15px 20px;
    box-shadow: var(--shadow);
}

.user-message .message-content {
    background: var(--primary);
    color: var(--white);
}

.message-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.message-author {
    font-weight: 600;
    font-size: 14px;
}

.user-message .message-author {
    color: var(--white);
}

.ai-message .message-author {
    color: var(--primary);
}

.message-time {
    font-size: 12px;
    color: var(--text-light);
}

.user-message .message-time {
    color: rgba(255, 255, 255, 0.7);
}

.message-text {
    font-size: 15px;
    line-height: 1.6;
}

.message-text p {
    margin-bottom: 8px;
}

.message-text p:last-child {
    margin-bottom: 0;
}

/* Input Area */
.chat-input-area {
    padding: 20px 30px;
    background: var(--white);
    border-top: 1px solid var(--border);
}

.input-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#message-input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    resize: none;
    min-height: 60px;
    max-height: 150px;
    transition: var(--transition);
}

#message-input:focus {
    outline: none;
    border-color: var(--primary);
}

.input-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.char-count {
    font-size: 13px;
    color: var(--text-light);
}

.btn-send {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-send:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn-send i {
    font-size: 14px;
}

.btn-report {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--danger);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-report:hover {
    background: var(--danger-dark);
    transform: translateY(-2px);
}

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

.btn-report i {
    font-size: 14px;
}

/* Data Collection Notice */
.data-collection-notice {
    position: fixed;
    bottom: 20px;
    right: 20px;
    left: 20px;
    background: var(--dark);
    color: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.data-collection-notice p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.data-collection-notice i {
    color: var(--warning);
    font-size: 20px;
}

.data-collection-notice button {
    margin-left: auto;
    padding: 8px 20px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    white-space: nowrap;
}

.data-collection-notice.hidden {
    display: none;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 15px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: block !important;
    }
    
    .sidebar-close {
        display: block !important;
    }
    
    .chat-wrapper {
        grid-template-columns: 1fr;
    }
    
    .chat-sidebar {
        position: fixed;
        top: 0;
        left: -320px;
        width: 280px;
        height: 100vh;
        z-index: 1000;
        transition: left 0.3s ease;
        display: flex !important;
        background: var(--white);
        border-right: 1px solid var(--border);
        padding: 20px;
        margin: 0;
    }
    
    .chat-sidebar.active {
        left: 0;
    }
    
    .chat-sidebar .sidebar-header {
        display: flex;
        align-items: center;
        padding-bottom: 15px;
        border-bottom: 2px solid var(--border);
        margin-bottom: 20px;
    }
    
    /* Overlay for mobile sidebar */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
}

@media (max-width: 768px) {
    /* Header mobile */
    .chat-header {
        padding: 12px 0;
    }
    
    .chat-header .logo {
        font-size: 18px;
        margin-left: -10px;
    }
    
    .chat-header .logo i {
        font-size: 22px;
    }
    
    .status-badge {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    /* Chat messages mobile */
    .chat-messages {
        padding: 15px 12px;
        gap: 12px;
    }
    
    .message {
        max-width: 95%;
        gap: 10px;
    }
    
    .message-avatar {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .message-content {
        padding: 10px 14px;
        border-radius: 10px;
    }
    
    .message-header {
        margin-bottom: 6px;
    }
    
    .message-author {
        font-size: 13px;
    }
    
    .message-time {
        font-size: 11px;
    }
    
    .message-text {
        font-size: 14px;
        line-height: 1.5;
    }
    
    .message-text p {
        margin-bottom: 6px;
    }
    
    /* Input area mobile - sticky at bottom like chat apps */
    .chat-input-area {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 10px 12px;
        background: var(--white);
        border-top: 1px solid var(--border);
        z-index: 100;
    }
    
    .chat-main {
        padding-bottom: 120px; /* Space for fixed input */
    }
    
    #message-input {
        padding: 12px 15px;
        font-size: 16px; /* Prevent zoom on iOS */
        min-height: 50px;
        max-height: 120px;
        border-radius: 10px;
    }
    
    .input-actions {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    .char-count {
        font-size: 12px;
        text-align: center;
    }
    
    .btn-send {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
        font-size: 16px;
        border-radius: 10px;
        min-height: 48px; /* Touch-friendly */
        margin-top: 15px;
    }
    
    /* Data notice mobile */
    .data-collection-notice {
        left: 8px;
        right: 8px;
        bottom: 8px;
        padding: 12px;
        border-radius: 10px;
    }
    
    .data-collection-notice p {
        flex-direction: column;
        text-align: center;
        gap: 12px;
        font-size: 13px;
    }
    
    .data-collection-notice i {
        font-size: 18px;
    }
    
    .data-collection-notice button {
        margin-left: 0;
        width: 100%;
        padding: 12px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    /* Extra small screens */
    .chat-header {
        padding: 10px 0;
    }
    
    .chat-header .logo {
        font-size: 16px;
        gap: 6px;
        margin-left: -8px;
    }
    
    .chat-header .logo i {
        font-size: 18px;
    }
    
    .status-badge {
        padding: 5px 10px;
        font-size: 12px;
    }
    
    .chat-messages {
        padding: 12px 10px;
        gap: 10px;
    }
    
    .message {
        max-width: 100%;
        gap: 8px;
    }
    
    .message-avatar {
        width: 28px;
        height: 28px;
        font-size: 10px;
    }
    
    .message-content {
        padding: 8px 12px;
    }
    
    .message-text {
        font-size: 13px;
        line-height: 1.4;
    }
    
    #message-input {
        padding: 10px 12px;
        font-size: 16px;
        min-height: 44px;
    }
    
    .chat-input-area {
        padding: 10px;
    }
    
    .btn-send {
        padding: 12px 16px;
        font-size: 15px;
        min-height: 44px;
    }
    
    .btn-send i {
        font-size: 13px;
    }
}

/* Landscape orientation fix */
@media (max-height: 500px) and (orientation: landscape) {
    .chat-header {
        padding: 8px 0;
    }
    
    .chat-messages {
        padding: 10px 15px;
    }
    
    #message-input {
        min-height: 40px;
        max-height: 80px;
    }
    
    .btn-send {
        padding: 10px 16px;
    }
}

/* Safe area for notched phones */
@supports (padding: max(0px)) {
    .chat-input-area {
        padding-left: max(15px, env(safe-area-inset-left));
        padding-right: max(15px, env(safe-area-inset-right));
        padding-bottom: max(15px, env(safe-area-inset-bottom));
    }
    
    .data-collection-notice {
        left: max(10px, env(safe-area-inset-left));
        right: max(10px, env(safe-area-inset-right));
        bottom: max(10px, env(safe-area-inset-bottom));
    }
}