/* chat-widget.css - AI Chat Widget Styles */

/* Chat Widget Container */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Chat Button (Collapsed State) */
.chat-button {
    width: 60px;
    height: 60px;
    border-radius: 30px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    transition: all 0.3s ease;
    position: relative;
}

.chat-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 99, 235, 0.6);
}

.chat-button:active {
    transform: scale(0.95);
}

/* Pulse animation for "unread" state */
.chat-button.pulse::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 30px;
    background: inherit;
    animation: pulse 2s ease-out infinite;
    z-index: -1;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.5;
    }
}

/* Chat Window (Expanded State) */
.chat-window {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 380px;
    max-width: calc(100vw - 40px);
    height: 550px;
    max-height: calc(100vh - 120px);
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

.chat-window.open {
    display: flex;
}

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

/* Chat Header */
.chat-header {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-header-icon {
    font-size: 24px;
}

.chat-header-text h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.chat-header-text p {
    margin: 2px 0 0 0;
    font-size: 12px;
    opacity: 0.9;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background 0.2s;
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #f8fafc;
}

.chat-message {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
    animation: messageSlide 0.3s ease-out;
}

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

.chat-message.ai {
    background: white;
    align-self: flex-start;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.chat-message.user {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    align-self: flex-end;
}

.chat-message.typing {
    background: white;
    align-self: flex-start;
    border: 1px solid #e2e8f0;
    display: flex;
    gap: 4px;
    padding: 12px 16px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: #94a3b8;
    border-radius: 50%;
    animation: typingBounce 1.4s infinite;
}

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

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

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-8px);
    }
}

/* Chat Input */
.chat-input-container {
    padding: 16px;
    background: white;
    border-top: 1px solid #e2e8f0;
}

.chat-input-wrapper {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    resize: none;
    max-height: 100px;
    min-height: 44px;
    transition: border-color 0.2s;
}

.chat-input:focus {
    outline: none;
    border-color: #2563eb;
}

.chat-send {
    width: 44px;
    height: 44px;
    border: none;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    border-radius: 12px;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.chat-send:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Scrollbar Styling */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

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

.chat-messages::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Mobile Responsiveness */
@media (max-width: 480px) {
    .chat-widget {
        bottom: 10px;
        right: 10px;
    }

    .chat-window {
        bottom: 80px;
        right: 10px;
        left: 10px;
        width: auto;
        max-width: none;
    }

    .chat-button {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }
}