/* ========================================
   CHAT WIDGET COMPONENT
   Springs AI Solutions - AI Chat Interface
   ======================================== */

/* Chat Widget Container */
.chat-widget {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    z-index: var(--z-chat-widget);
}

/* Toggle Button */
.chat-widget-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-primary-500);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-medium);
    transition: all var(--transition-normal);
    position: relative;
}

.chat-widget-toggle:hover {
    background: var(--color-primary-400);
    box-shadow: var(--glow-intense);
    transform: scale(1.05);
}

.chat-icon,
.chat-close-icon {
    font-size: var(--text-2xl);
    color: var(--color-bg-deep);
    transition: all var(--transition-fast);
    position: absolute;
}

.chat-close-icon {
    opacity: 0;
    transform: rotate(-90deg);
}

.chat-widget.open .chat-icon {
    opacity: 0;
    transform: rotate(90deg);
}

.chat-widget.open .chat-close-icon {
    opacity: 1;
    transform: rotate(0);
}

/* Pulse Animation for Toggle */
.chat-widget-toggle::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--color-primary-400);
    opacity: 0;
    animation: chat-pulse 2s ease-in-out infinite;
}

@keyframes chat-pulse {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.1);
    }
}

/* Chat Panel */
.chat-widget-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: var(--chat-widget-width);
    height: var(--chat-widget-height);
    background: var(--color-bg-terminal);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glow-medium);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.chat-widget.open .chat-widget-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Fullscreen Mode */
.chat-widget.fullscreen .chat-widget-panel {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    border-radius: 0;
    max-width: none;
}

/* Chat Header */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4);
    background: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.chat-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-success);
    box-shadow: 0 0 10px var(--color-success);
    animation: status-pulse 2s ease-in-out infinite;
}

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

.chat-title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-primary-400);
    letter-spacing: var(--tracking-wide);
}

.chat-fullscreen-btn {
    background: transparent;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: var(--spacing-2);
    font-size: var(--text-lg);
    transition: color var(--transition-fast);
}

.chat-fullscreen-btn:hover {
    color: var(--color-primary-400);
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    padding: var(--spacing-4);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

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

.chat-messages::-webkit-scrollbar-track {
    background: var(--color-bg-deep);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--color-primary-700);
    border-radius: var(--radius-full);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-600);
}

/* Message Bubbles */
.chat-message {
    max-width: 85%;
    animation: message-appear 0.3s ease-out;
}

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

.chat-message.bot {
    align-self: flex-start;
}

.chat-message.user {
    align-self: flex-end;
}

.message-content {
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
}

.chat-message.bot .message-content {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    border-bottom-left-radius: var(--radius-sm);
}

.chat-message.user .message-content {
    background: var(--color-primary-600);
    color: var(--color-text-primary);
    border-bottom-right-radius: var(--radius-sm);
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-sm);
    width: fit-content;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--color-primary-500);
    border-radius: 50%;
    animation: typing-bounce 1.4s ease-in-out infinite;
}

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

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

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

/* Chat Input */
.chat-input-container {
    display: flex;
    gap: var(--spacing-2);
    padding: var(--spacing-4);
    background: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
}

.chat-input {
    flex: 1;
    font-family: var(--font-terminal);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    background: var(--color-bg-deep);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-3) var(--spacing-4);
    outline: none;
    transition: border-color var(--transition-fast);
}

.chat-input::placeholder {
    color: var(--color-text-muted);
}

.chat-input:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 1px var(--color-primary-500);
}

.chat-send-btn {
    width: 44px;
    height: 44px;
    background: var(--color-primary-500);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-bg-deep);
    font-size: var(--text-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.chat-send-btn:hover {
    background: var(--color-primary-400);
    box-shadow: var(--glow-subtle);
}

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

/* Embedded Chat Container (for demo section) */
.chat-container {
    width: 100%;
    max-width: 600px;
    height: 450px;
    margin: 0 auto;
    background: var(--color-bg-terminal);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glow-medium);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.chat-container .chat-header {
    border-radius: 0;
}

/* ========================================
   INTRO MODE STYLES
   Required intro flow after boot sequence
   ======================================== */

/* Intro Mode - Centered modal, not fullscreen */
.chat-widget.intro-mode {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
}

.chat-widget.intro-mode .chat-widget-panel {
    position: relative;
    bottom: auto;
    right: auto;
    width: 90%;
    max-width: 450px;
    height: auto;
    max-height: 70vh;
    border-radius: var(--radius-lg);
    z-index: 9999;
}

.chat-widget.intro-mode .chat-widget-toggle {
    /* Show as a close button in top-right of modal */
    display: flex;
    position: absolute;
    top: -15px;
    right: -15px;
    width: 36px;
    height: 36px;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    z-index: 10000;
}

.chat-widget.intro-mode .chat-icon {
    display: none;
}

.chat-widget.intro-mode .chat-close-icon {
    opacity: 1;
    transform: rotate(0);
}

.chat-widget.intro-mode .chat-fullscreen-btn {
    display: none;
}

/* Chat content in intro mode */
.chat-widget.intro-mode .chat-messages {
    max-height: 50vh;
    padding: var(--spacing-4);
}

/* Service Option Buttons */
.service-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    padding: var(--spacing-4) 0;
    animation: message-appear 0.3s ease-out;
}

.service-option-btn {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    padding: var(--spacing-4);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-family: var(--font-display);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.service-option-btn:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-primary-500);
    box-shadow: var(--glow-subtle);
}

.service-option-btn:hover .option-label {
    color: var(--color-primary-400);
}

.service-option-btn .option-label {
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

.service-option-btn .option-desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-family: var(--font-body);
}

/* Responsive */
@media (max-width: 768px) {
    .chat-widget {
        bottom: var(--spacing-3);
        right: var(--spacing-3);
    }

    /* Smaller toggle button on mobile */
    .chat-widget-toggle {
        width: 50px;
        height: 50px;
    }

    .chat-widget-toggle::before {
        display: none; /* No pulse on mobile - less distraction */
    }

    .chat-widget-panel {
        position: fixed;
        top: auto;
        bottom: 60px;
        left: auto;
        right: var(--spacing-3);
        width: 240px;
        height: 280px;
        max-height: 45vh;
    }

    /* Smaller header on mobile */
    .chat-header {
        padding: var(--spacing-2) var(--spacing-3);
    }

    .chat-title {
        font-size: var(--text-xs);
    }

    /* Smaller messages area */
    .chat-messages {
        padding: var(--spacing-2);
        gap: var(--spacing-2);
    }

    .message-content {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--text-xs);
    }

    /* Smaller input area */
    .chat-input-container {
        padding: var(--spacing-2);
        gap: var(--spacing-2);
    }

    .chat-input {
        padding: var(--spacing-2);
        font-size: var(--text-xs);
    }

    .chat-send-btn {
        width: 36px;
        height: 36px;
        font-size: var(--text-sm);
    }

    .chat-widget.fullscreen .chat-widget-panel {
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        max-height: none;
    }

    .chat-widget.intro-mode .chat-widget-panel {
        width: 85%;
        max-width: 280px;
        max-height: 45vh;
    }

    .chat-widget.intro-mode .chat-messages {
        padding: var(--spacing-2);
        max-height: 35vh;
    }

    .service-options {
        padding: var(--spacing-2) 0;
        gap: var(--spacing-2);
    }

    .service-option-btn {
        padding: var(--spacing-2);
    }

    .service-option-btn .option-label {
        font-size: var(--text-sm);
    }

    .service-option-btn .option-desc {
        font-size: var(--text-xs);
    }
}

/* Extra small screens - phones */
@media (max-width: 480px) {
    .chat-widget {
        bottom: var(--spacing-2);
        right: var(--spacing-2);
    }

    .chat-widget-toggle {
        width: 44px;
        height: 44px;
    }

    .chat-icon,
    .chat-close-icon {
        font-size: var(--text-lg);
    }

    .chat-widget-panel {
        right: var(--spacing-2);
        width: 220px;
        height: 260px;
        max-height: 50vh;
        bottom: 54px;
    }

    .chat-status {
        width: 8px;
        height: 8px;
    }

    .chat-fullscreen-btn {
        padding: var(--spacing-1);
        font-size: var(--text-sm);
    }

    .typing-indicator span {
        width: 6px;
        height: 6px;
    }
}