/**
 * Synapse AI Frontend Chat Widget Styling
 */

:root {
    --synapse-primary: #6366f1;
    --synapse-primary-hover: #4f46e5;
    --synapse-bg-chat: #ffffff;
    --synapse-bg-message-user: #6366f1;
    --synapse-text-message-user: #ffffff;
    --synapse-bg-message-assistant: #f1f5f9;
    --synapse-text-message-assistant: #0f172a;
    --synapse-border: #e2e8f0;
    --synapse-header-bg: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --synapse-header-text: #ffffff;
}

#synapse-chat-widget {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 999999;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* Floating Action Button (FAB) */
.synapse-chat-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--synapse-primary) 0%, var(--synapse-primary-hover) 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.synapse-chat-btn:hover {
    transform: scale(1.08) rotate(5deg);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

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

.synapse-chat-btn-icon {
    font-size: 26px;
    line-height: 1;
}

/* Chat Container Window */
#synapse-chat-container {
    width: 380px;
    height: 520px;
    max-height: calc(100vh - 120px);
    max-width: calc(100vw - 50px);
    background-color: var(--synapse-bg-chat);
    border-radius: 16px;
    border: 1px solid var(--synapse-border);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12), 0 8px 10px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: absolute;
    bottom: 75px;
    right: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: bottom right;
}

/* State Classes */
#synapse-chat-widget.synapse-chat-open #synapse-chat-container {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

#synapse-chat-widget.synapse-chat-open .synapse-chat-btn {
    transform: scale(0.9) rotate(-90deg);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Header */
#synapse-chat-header {
    background: var(--synapse-header-bg);
    color: var(--synapse-header-text);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.synapse-chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.synapse-header-icon {
    font-size: 24px;
    background: rgba(255, 255, 255, 0.15);
    padding: 6px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.synapse-header-text {
    display: flex;
    flex-direction: column;
}

.synapse-header-title {
    font-weight: 600;
    font-size: 15px;
    line-height: 1.2;
}

.synapse-header-status {
    font-size: 11px;
    color: #4ade80;
    font-weight: 500;
    margin-top: 2px;
}

#synapse-chat-close {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: color 0.2s;
    outline: none;
}

#synapse-chat-close:hover {
    color: #ffffff;
}

/* Messages Area */
#synapse-chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background-color: #fafafa;
}

/* Message Styles */
.synapse-message {
    display: flex;
    gap: 10px;
    max-width: 85%;
}

.synapse-message-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    border: 1px solid var(--synapse-border);
}

.synapse-message-content {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.45;
    word-break: break-word;
}

.synapse-message-assistant {
    align-self: flex-start;
}

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

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

.synapse-message-user .synapse-message-content {
    background-color: var(--synapse-bg-message-user);
    color: var(--synapse-text-message-user);
    border-top-right-radius: 4px;
}

/* Message Error state */
.synapse-message-error .synapse-message-content {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Scrollbar Styles */
#synapse-chat-messages::-webkit-scrollbar {
    width: 6px;
}

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

#synapse-chat-messages::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

#synapse-chat-messages::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.2);
}

/* Input Form Footer */
#synapse-chat-form {
    padding: 12px 16px;
    background-color: #ffffff;
    border-top: 1px solid var(--synapse-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

#synapse-chat-input {
    flex: 1;
    border: none;
    resize: none;
    font-size: 14px;
    line-height: 1.4;
    padding: 8px 12px;
    max-height: 80px;
    outline: none;
    color: #0f172a;
    font-family: inherit;
    background-color: #f8fafc;
    border-radius: 20px;
    border: 1px solid var(--synapse-border);
    transition: all 0.2s ease;
}

#synapse-chat-input:focus {
    border-color: var(--synapse-primary);
    background-color: #ffffff;
}

#synapse-chat-submit {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--synapse-primary);
    transition: all 0.2s ease;
    outline: none;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

#synapse-chat-submit:hover {
    color: var(--synapse-primary-hover);
    background-color: #f1f5f9;
}

#synapse-chat-submit:active {
    transform: scale(0.9);
}

.synapse-send-svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Thinking Indicator Animations */
.synapse-thinking-dots {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 18px;
}

.synapse-thinking-dots span {
    width: 6px;
    height: 6px;
    background-color: #64748b;
    border-radius: 50%;
    display: inline-block;
    animation: synapse-bounce 1.4s infinite ease-in-out both;
}

.synapse-thinking-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.synapse-thinking-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes synapse-bounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.3;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Chat Link Styles */
.synapse-message-content a.synapse-chat-link {
    color: var(--synapse-primary);
    text-decoration: underline;
    font-weight: 500;
    transition: color 0.2s ease;
}

.synapse-message-content a.synapse-chat-link:hover {
    color: var(--synapse-primary-hover);
}

.synapse-message-user .synapse-message-content a.synapse-chat-link {
    color: #ffffff;
    text-decoration: underline;
}