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

.ai-chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Chat toggle button */
.ai-chat-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--primary-color, #40E0D0);
    color: #1b1b1d;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.ai-chat-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    background: var(--secondary-color, #66E6DD);
}

.ai-chat-toggle svg {
    width: 20px;
    height: 20px;
}

.ai-chat-toggle.hidden {
    display: none;
}

/* Chat window */
.ai-chat-window {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 380px;
    max-width: calc(100vw - 40px);
    height: 600px;
    max-height: calc(100vh - 40px);
    background: var(--surface-color, #242526);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
    transition: all 0.3s ease;
}

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

/* Chat header */
.ai-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--background-color, #1b1b1d);
    border-bottom: 1px solid var(--border-color, #3a3a3c);
}

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

.ai-chat-header svg {
    color: var(--primary-color, #40E0D0);
}

.ai-chat-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color, #e3e3e3);
}

.ai-chat-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-chat-action-btn {
    background: none;
    border: none;
    color: var(--text-secondary, #b4b4b4);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.ai-chat-action-btn:hover {
    background: var(--surface-color, #242526);
    color: var(--text-color, #e3e3e3);
}

/* Fullscreen mode */
.ai-chat-window.fullscreen {
    position: fixed;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    border-radius: 0 !important;
    z-index: 10000;
    animation: expandFullscreen 0.3s ease;
}

@keyframes expandFullscreen {
    from {
        transform: scale(0.95);
        opacity: 0.9;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.ai-chat-window.fullscreen .ai-chat-messages {
    padding: 30px;
}

.ai-chat-window.fullscreen .ai-chat-input-container {
    padding: 20px 30px;
}

/* Model selector */
.ai-chat-model-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--background-color, #1b1b1d);
    border-bottom: 1px solid var(--border-color, #3a3a3c);
    font-size: 13px;
}

.ai-chat-model-selector label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary, #b4b4b4);
    font-weight: 500;
}

.ai-chat-model-selector label svg {
    color: var(--primary-color, #40E0D0);
}

.ai-chat-model-select {
    flex: 1;
    padding: 6px 12px;
    background: var(--surface-color, #242526);
    border: 1px solid var(--border-color, #3a3a3c);
    border-radius: 6px;
    color: var(--text-color, #e3e3e3);
    font-size: 13px;
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
}

.ai-chat-model-select:hover {
    border-color: var(--primary-color, #40E0D0);
}

.ai-chat-model-select:focus {
    border-color: var(--primary-color, #40E0D0);
    box-shadow: 0 0 0 2px rgba(64, 224, 208, 0.1);
}

.ai-chat-model-select option {
    background: var(--surface-color, #242526);
    color: var(--text-color, #e3e3e3);
}

/* Chat messages */
.ai-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

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

.ai-chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color, #00D4B8);
    border-radius: 3px;
}

.ai-chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary, #b4b4b4);
}

/* Message */
.ai-chat-message {
    display: flex;
    gap: 10px;
    animation: messageAppear 0.3s ease;
}

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

.ai-chat-message-avatar {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-message .ai-chat-message-avatar {
    background: var(--primary-color, #40E0D0);
    color: #1b1b1d;
}

.user-message .ai-chat-message-avatar {
    background: var(--accent-color, #00D4B8);
    color: #1b1b1d;
}

.user-message .ai-chat-message-avatar svg {
    width: 16px;
    height: 16px;
}

.ai-chat-message-content {
    flex: 1;
    padding: 12px 16px;
    border-radius: 12px;
    line-height: 1.5;
}

.ai-message .ai-chat-message-content {
    background: var(--background-color, #1b1b1d);
    color: var(--text-color, #e3e3e3);
}

.user-message .ai-chat-message-content {
    background: var(--primary-color, #40E0D0);
    color: #1b1b1d;
}

.ai-chat-message-content p {
    margin: 0;
    font-size: 14px;
}

.ai-chat-message-content p:not(:last-child) {
    margin-bottom: 8px;
}

.ai-chat-message-content code {
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    font-family: 'Courier New', Courier, monospace;
}

/* Loading message */
.ai-chat-message.loading .ai-chat-message-content {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
}

.ai-chat-loading-dots {
    display: flex;
    gap: 4px;
}

.ai-chat-loading-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-secondary, #b4b4b4);
    animation: loadingDot 1.4s infinite ease-in-out both;
}

.ai-chat-loading-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.ai-chat-loading-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes loadingDot {
    0%, 80%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Error message */
.ai-chat-message.error .ai-chat-message-content {
    background: #dc2626;
    color: white;
}

/* Chat input */
.ai-chat-input-container {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color, #00D4B8);
    background: var(--background-color, #1b1b1d);
}

.ai-chat-input-wrapper {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.ai-chat-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color, #3a3a3c);
    border-radius: 8px;
    background: var(--surface-color, #242526);
    color: var(--text-color, #e3e3e3);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease;
}

.ai-chat-input:focus {
    border-color: var(--primary-color, #40E0D0);
}

.ai-chat-input::placeholder {
    color: var(--text-secondary, #b4b4b4);
}

.ai-chat-send {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: var(--primary-color, #40E0D0);
    color: #1b1b1d;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.ai-chat-send:hover:not(:disabled) {
    background: var(--secondary-color, #66E6DD);
    transform: scale(1.05);
}

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

.ai-chat-notice {
    font-size: 11px;
    color: var(--text-secondary, #b4b4b4);
    text-align: center;
    margin-bottom: 8px;
}

.ai-chat-provider-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 10px;
    color: var(--text-secondary, #b4b4b4);
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    border: 1px solid rgba(64, 224, 208, 0.1);
}

.ai-chat-provider-info svg {
    flex-shrink: 0;
    opacity: 0.6;
}

.ai-chat-provider-info strong {
    color: var(--primary-color, #40E0D0);
    font-weight: 600;
}

.ai-chat-provider-info span {
    line-height: 1.4;
}

/* Responsive design */
@media (max-width: 768px) {
    .ai-chat-widget {
        bottom: 10px;
        right: 10px;
    }
    
    .ai-chat-window {
        bottom: 10px;
        right: 10px;
        left: 10px;
        width: auto;
        max-width: none;
        height: calc(100vh - 20px);
    }
    
    .ai-chat-toggle span {
        display: none;
    }
    
    .ai-chat-toggle {
        width: 56px;
        height: 56px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
    }
}

/* Position variants */
.ai-chat-widget.position-bottom-right {
    bottom: 20px;
    right: 20px;
}

.ai-chat-widget.position-bottom-left {
    bottom: 20px;
    left: 20px;
    right: auto;
}

.ai-chat-widget.position-top-right {
    top: 80px;
    right: 20px;
    bottom: auto;
}

.ai-chat-widget.position-top-left {
    top: 80px;
    left: 20px;
    right: auto;
    bottom: auto;
}

.ai-chat-widget.position-bottom-left .ai-chat-window,
.ai-chat-widget.position-top-left .ai-chat-window {
    left: 20px;
    right: auto;
}

.ai-chat-widget.position-top-right .ai-chat-window,
.ai-chat-widget.position-top-left .ai-chat-window {
    top: 80px;
    bottom: auto;
}

@media (max-width: 768px) {
    .ai-chat-widget.position-bottom-right {
        bottom: 10px;
        right: 10px;
    }

    .ai-chat-widget.position-bottom-left {
        bottom: 10px;
        left: 10px;
    }
}