/**
 * ========================================
 * CHATBOT WIDGET STYLES
 * Modern chat interface with smooth animations
 * ========================================
 */

.chatbot-widget {
    position: fixed;
    bottom: 110px;
    right: 28px;
    width: 400px;
    max-width: calc(100vw - 56px);
    height: 580px;
    max-height: calc(100vh - 160px);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 20px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.2),
        0 8px 24px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 998;
    opacity: 0;
    transform: translateY(30px) scale(0.9);
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.chatbot-widget.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

/* Dark theme support */
body.dark-theme .chatbot-widget {
    background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 8px 24px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* ========================================
 * CHATBOT HEADER
 * ========================================
 */

.chatbot-header {
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    color: #ffffff;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.chatbot-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
}

.chatbot-title .material-icons {
    font-size: 28px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.chatbot-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #ffffff;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chatbot-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.chatbot-close .material-icons {
    font-size: 20px;
}

/* ========================================
 * CHATBOT MESSAGES
 * ========================================
 */

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--theme-bg, #ffffff);
}

body.dark-theme .chatbot-messages {
    background: #1a1a1a;
}

/* Custom scrollbar */
.chatbot-messages::-webkit-scrollbar {
    width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.3);
    border-radius: 3px;
}

.chatbot-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.5);
}

/* ========================================
 * MESSAGE STYLES
 * ========================================
 */

.chatbot-message {
    display: flex;
    gap: 12px;
    animation: slideInMessage 0.3s ease-out;
}

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

/* Bot Message */
.bot-message {
    align-self: flex-start;
    max-width: 85%;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.message-avatar .material-icons {
    color: #ffffff;
    font-size: 20px;
}

/* User Message */
.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
    max-width: 85%;
}

/* Message Content */
.message-content {
    background: #f0f2f5;
    padding: 12px 16px;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

body.dark-theme .message-content {
    background: #2c2c2c;
}

.bot-message .message-content {
    border-top-left-radius: 4px;
}

.user-message .message-content {
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    color: #ffffff;
    border-top-right-radius: 4px;
}

.message-content p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--theme-text, #333333);
}

body.dark-theme .message-content p {
    color: #e0e0e0;
}

.user-message .message-content p {
    color: #ffffff;
}

.message-time {
    font-size: 11px;
    color: rgba(0, 0, 0, 0.5);
    margin-top: 6px;
}

body.dark-theme .message-time {
    color: rgba(255, 255, 255, 0.5);
}

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

/* ========================================
 * TYPING INDICATOR
 * ========================================
 */

.chatbot-typing {
    padding: 0 20px 12px;
    display: flex;
    gap: 12px;
    background: var(--theme-bg, #ffffff);
}

body.dark-theme .chatbot-typing {
    background: #1a1a1a;
}

.typing-indicator {
    background: #f0f2f5;
    padding: 12px 16px;
    border-radius: 16px;
    border-top-left-radius: 4px;
    display: flex;
    gap: 4px;
    align-items: center;
}

body.dark-theme .typing-indicator {
    background: #2c2c2c;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #667EEA;
    animation: typingDot 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingDot {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    30% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* ========================================
 * INPUT AREA
 * ========================================
 */

.chatbot-input-wrapper {
    display: flex;
    gap: 10px;
    padding: 16px 20px;
    background: var(--theme-bg, #ffffff);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
}

body.dark-theme .chatbot-input-wrapper {
    background: #1a1a1a;
    border-top-color: rgba(255, 255, 255, 0.1);
}

.chatbot-input {
    flex: 1;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 14px;
    background: var(--theme-bg, #ffffff);
    color: var(--theme-text, #333333);
    transition: all 0.3s ease;
    outline: none;
}

body.dark-theme .chatbot-input {
    background: #2c2c2c;
    color: #e0e0e0;
    border-color: rgba(102, 126, 234, 0.3);
}

.chatbot-input:focus {
    border-color: #667EEA;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.chatbot-input::placeholder {
    color: rgba(0, 0, 0, 0.4);
}

body.dark-theme .chatbot-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.chatbot-send-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.chatbot-send-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

.chatbot-send-btn:active {
    transform: scale(0.95);
}

.chatbot-send-btn .material-icons {
    font-size: 20px;
}

/* ========================================
 * RESPONSIVE DESIGN
 * ========================================
 */

@media (max-width: 768px) {
    .chatbot-widget {
        bottom: 100px;
        right: 20px;
        width: calc(100vw - 40px);
        height: 520px;
        max-height: calc(100vh - 150px);
        border-radius: 18px;
    }

    .chatbot-header {
        padding: 16px;
    }

    .chatbot-title {
        font-size: 16px;
        gap: 10px;
    }

    .chatbot-title .material-icons {
        font-size: 24px;
    }

    .chatbot-messages {
        padding: 16px;
        gap: 12px;
    }

    .message-avatar {
        width: 32px;
        height: 32px;
        border-radius: 10px;
    }

    .message-avatar .material-icons {
        font-size: 18px;
    }

    .message-content {
        padding: 10px 14px;
    }

    .message-content p {
        font-size: 13px;
    }

    .chatbot-input-wrapper {
        padding: 12px 16px;
    }

    .chatbot-input {
        padding: 10px 14px;
        font-size: 13px;
    }

    .chatbot-send-btn {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .chatbot-widget {
        bottom: 90px;
        right: 16px;
        width: calc(100vw - 32px);
        height: 480px;
        max-height: calc(100vh - 130px);
        border-radius: 16px;
    }

    .chatbot-header {
        padding: 14px;
    }

    .chatbot-title {
        font-size: 15px;
        gap: 8px;
    }

    .chatbot-messages {
        padding: 12px;
        gap: 10px;
    }

    .bot-message,
    .user-message {
        max-width: 90%;
    }

    .chatbot-close {
        width: 32px;
        height: 32px;
    }
}

/* ========================================
 * ACCESSIBILITY
 * ========================================
 */

.chatbot-send-btn:focus,
.chatbot-close:focus,
.chatbot-input:focus {
    outline: 2px solid #667EEA;
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .chatbot-widget,
    .chatbot-message,
    .typing-indicator span,
    .chatbot-close {
        animation: none;
        transition: none;
    }
}