/* ============================================
   SageChat Modal Component
   Chat with Sage AI Assistant
   ============================================ */

/* ---------- Modal Overlay ---------- */
.sage-chat-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.sage-chat-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ---------- Chat Container ---------- */
.sage-chat-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 400px;
    max-width: calc(100vw - var(--space-2xl));
    height: 600px;
    max-height: calc(100vh - 100px);
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(20px) scale(0.95);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    z-index: 10001;
}

.sage-chat-overlay.active .sage-chat-container {
    transform: translateY(0) scale(1);
    opacity: 1;
    visibility: visible;
}

/* ---------- Chat Header ---------- */
.sage-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, var(--sage-green) 0%, var(--sage-dark) 100%);
    color: var(--white);
    flex-shrink: 0;
}

.sage-chat-header-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.sage-chat-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.sage-chat-title {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.sage-chat-status {
    font-size: 0.75rem;
    opacity: 0.9;
}

.sage-chat-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-xs);
    line-height: 1;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.sage-chat-close:hover {
    opacity: 1;
}

/* ---------- Chat Messages Area ---------- */
.sage-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    scroll-behavior: smooth;
}

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

.sage-chat-messages::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.sage-chat-messages::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.sage-chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ---------- Message Bubbles ---------- */
.sage-chat-message {
    max-width: 85%;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    line-height: 1.5;
    font-size: 0.938rem;
    word-wrap: break-word;
}

.sage-chat-message.sage {
    align-self: flex-start;
    background-color: var(--gray-100);
    color: var(--text-primary);
    border-bottom-left-radius: var(--radius-sm);
}

.sage-chat-message.user {
    align-self: flex-end;
    background-color: var(--sage-green);
    color: var(--white);
    border-bottom-right-radius: var(--radius-sm);
}

/* Message markdown styling */
.sage-chat-message strong {
    font-weight: 600;
}

.sage-chat-message ul,
.sage-chat-message ol {
    margin: var(--space-xs) 0;
    padding-left: var(--space-lg);
}

.sage-chat-message li {
    margin: var(--space-xs) 0;
}

.sage-chat-message p {
    margin: 0;
}

.sage-chat-message p + p {
    margin-top: var(--space-sm);
}

/* ---------- Typing Indicator ---------- */
.sage-chat-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--gray-100);
    border-radius: var(--radius-lg);
    border-bottom-left-radius: var(--radius-sm);
    align-self: flex-start;
}

.sage-chat-typing-dot {
    width: 8px;
    height: 8px;
    background-color: var(--gray-400);
    border-radius: 50%;
    animation: sage-typing-bounce 1.4s infinite ease-in-out both;
}

.sage-chat-typing-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.sage-chat-typing-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes sage-typing-bounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ---------- Chat Input Area ---------- */
.sage-chat-input-area {
    display: flex;
    align-items: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-color);
    background-color: var(--white);
    flex-shrink: 0;
}

.sage-chat-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-family: var(--font-sans);
    font-size: 0.938rem;
    line-height: 1.5;
    resize: none;
    min-height: 42px;
    max-height: 120px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.sage-chat-input:focus {
    outline: none;
    border-color: var(--sage-green);
    box-shadow: 0 0 0 3px rgba(91, 138, 114, 0.1);
}

.sage-chat-input::placeholder {
    color: var(--gray-500);
}

.sage-chat-send {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background-color: var(--sage-green);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    flex-shrink: 0;
}

.sage-chat-send:hover:not(:disabled) {
    background-color: var(--sage-dark);
}

.sage-chat-send:active:not(:disabled) {
    transform: scale(0.95);
}

.sage-chat-send:disabled {
    background-color: var(--gray-300);
    cursor: not-allowed;
}

.sage-chat-send svg {
    width: 20px;
    height: 20px;
}

/* ---------- Email Capture Form ---------- */
.sage-chat-auth {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    text-align: center;
}

.sage-chat-auth-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sage-light) 0%, var(--sage-green) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-lg);
}

.sage-chat-auth h3 {
    font-family: var(--font-serif);
    color: var(--navy);
    margin-bottom: var(--space-sm);
}

.sage-chat-auth p {
    color: var(--text-secondary);
    font-size: 0.938rem;
    margin-bottom: var(--space-xl);
}

.sage-chat-email-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.sage-chat-email-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    text-align: center;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.sage-chat-email-input:focus {
    outline: none;
    border-color: var(--sage-green);
    box-shadow: 0 0 0 3px rgba(91, 138, 114, 0.1);
}

.sage-chat-email-submit {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background-color: var(--sage-green);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.sage-chat-email-submit:hover:not(:disabled) {
    background-color: var(--sage-dark);
}

.sage-chat-email-submit:disabled {
    background-color: var(--gray-300);
    cursor: not-allowed;
}

.sage-chat-auth-note {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: var(--space-md);
}

/* ---------- Email Sent Confirmation ---------- */
.sage-chat-email-sent {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    text-align: center;
}

.sage-chat-email-sent-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--sage-green);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: var(--space-lg);
}

.sage-chat-email-sent h3 {
    font-family: var(--font-serif);
    color: var(--navy);
    margin-bottom: var(--space-sm);
}

.sage-chat-email-sent p {
    color: var(--text-secondary);
    font-size: 0.938rem;
    margin-bottom: var(--space-md);
}

.sage-chat-email-address {
    font-weight: 600;
    color: var(--navy);
    word-break: break-all;
}

.sage-chat-resend {
    background: none;
    border: none;
    color: var(--sage-green);
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: underline;
    margin-top: var(--space-md);
}

.sage-chat-resend:hover {
    color: var(--sage-dark);
}

/* ---------- Error State ---------- */
.sage-chat-error {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    color: #dc2626;
    font-size: 0.875rem;
    margin: var(--space-sm) var(--space-lg);
}

.sage-chat-error-icon {
    flex-shrink: 0;
}

.sage-chat-error-dismiss {
    margin-left: auto;
    background: none;
    border: none;
    color: #dc2626;
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
}

/* ---------- Loading State ---------- */
.sage-chat-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    gap: var(--space-md);
}

.sage-chat-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--sage-green);
    border-radius: 50%;
    animation: sage-spin 0.8s linear infinite;
}

@keyframes sage-spin {
    to {
        transform: rotate(360deg);
    }
}

.sage-chat-loading-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ---------- Chat Trigger Button ---------- */
.sage-chat-trigger {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--sage-green) 0%, var(--sage-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.sage-chat-trigger:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.sage-chat-trigger:active {
    transform: scale(0.98);
}

.sage-chat-trigger svg {
    width: 28px;
    height: 28px;
}

.sage-chat-trigger.hidden {
    display: none;
}

/* Notification badge */
.sage-chat-trigger-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background-color: #dc2626;
    color: var(--white);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---------- Mobile Responsive (Bottom Sheet) ---------- */
@media (max-width: 480px) {
    .sage-chat-container {
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        max-width: 100%;
        height: 100%;
        max-height: 100vh;
        border-radius: 0;
        transform: translateY(100%);
    }

    .sage-chat-overlay.active .sage-chat-container {
        transform: translateY(0);
    }

    .sage-chat-header {
        padding: var(--space-md) var(--space-md);
    }

    .sage-chat-messages {
        padding: var(--space-md);
    }

    .sage-chat-input-area {
        padding: var(--space-md);
        /* Account for mobile keyboard and safe areas */
        padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom, 0));
    }

    .sage-chat-trigger {
        bottom: var(--space-lg);
        right: var(--space-lg);
        width: 56px;
        height: 56px;
    }

    .sage-chat-trigger svg {
        width: 24px;
        height: 24px;
    }

    .sage-chat-auth,
    .sage-chat-email-sent {
        padding: var(--space-xl);
    }
}

/* Tablet adjustments */
@media (min-width: 481px) and (max-width: 768px) {
    .sage-chat-container {
        width: 380px;
        height: 550px;
    }
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
    .sage-chat-overlay,
    .sage-chat-container,
    .sage-chat-trigger,
    .sage-chat-typing-dot,
    .sage-chat-spinner {
        animation: none;
        transition: none;
    }
}

/* Focus styles for keyboard navigation */
.sage-chat-input:focus-visible,
.sage-chat-send:focus-visible,
.sage-chat-close:focus-visible,
.sage-chat-email-input:focus-visible,
.sage-chat-email-submit:focus-visible,
.sage-chat-trigger:focus-visible {
    outline: 2px solid var(--sage-green);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .sage-chat-message.user {
        border: 1px solid var(--white);
    }

    .sage-chat-message.sage {
        border: 1px solid var(--gray-700);
    }
}

/* ============================================
   SageChat v2.0 - Onboarding & New Components
   ============================================ */

/* ---------- Updated Header ---------- */
.sage-header-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.sage-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--white);
}

.sage-header-text h2 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.sage-status {
    font-size: 0.75rem;
    opacity: 0.85;
}

.sage-close-btn {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: background-color 0.2s;
}

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

.sage-close-btn svg {
    width: 20px;
    height: 20px;
}

/* ---------- View Container ---------- */
.sage-view {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ---------- Onboarding View ---------- */
.sage-onboarding {
    padding: var(--space-xl);
    justify-content: center;
    background: var(--gray-50);
}

.sage-onboarding-content {
    max-width: 320px;
    margin: 0 auto;
}

.sage-onboarding h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 var(--space-sm) 0;
}

.sage-onboarding p {
    color: var(--gray-600);
    margin: 0 0 var(--space-lg) 0;
    line-height: 1.5;
}

.sage-preamble {
    background: linear-gradient(135deg, var(--sage-light, #f0f7f4) 0%, var(--off-white, #fafafa) 100%);
    border-left: 3px solid var(--sage-green, #4a9970);
    padding: var(--space-md);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-bottom: var(--space-xl);
}

.sage-preamble strong {
    color: var(--sage-dark, #2d5a47);
}

/* ---------- Form Styles ---------- */
.sage-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.sage-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.sage-field label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.sage-field .optional {
    font-weight: 400;
    color: var(--gray-500);
}

.sage-field select,
.sage-field input[type="text"],
.sage-field input[type="email"] {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: var(--white);
    color: var(--gray-900);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.sage-field select:focus,
.sage-field input:focus {
    outline: none;
    border-color: var(--sage-green);
    box-shadow: 0 0 0 3px rgba(76, 114, 115, 0.15);
}

.sage-field-optional {
    margin-top: var(--space-sm);
}

/* ---------- Buttons ---------- */
.sage-btn {
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.sage-btn-primary {
    background: var(--sage-green);
    color: var(--white);
}

.sage-btn-primary:hover {
    background: var(--sage-dark);
}

.sage-btn-link {
    background: none;
    border: none;
    color: var(--gray-600);
    font-size: 0.875rem;
    cursor: pointer;
    padding: var(--space-sm);
    text-decoration: underline;
}

.sage-btn-link:hover {
    color: var(--gray-900);
}

/* ---------- Chat Area ---------- */
.sage-chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--white);
}

.sage-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.sage-message {
    display: flex;
    max-width: 85%;
}

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

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

.sage-message-system {
    align-self: center;
    max-width: 90%;
}

.sage-bubble {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    line-height: 1.5;
}

.sage-message-user .sage-bubble {
    background: var(--sage-green);
    color: var(--white);
    border-bottom-right-radius: var(--radius-sm);
}

.sage-message-assistant .sage-bubble {
    background: var(--gray-100);
    color: var(--gray-900);
    border-bottom-left-radius: var(--radius-sm);
}

.sage-message-system .sage-bubble {
    background: var(--sage-light);
    color: var(--sage-dark);
    font-size: 0.875rem;
    text-align: center;
}

.sage-bubble ul {
    margin: var(--space-sm) 0;
    padding-left: var(--space-lg);
}

.sage-bubble li {
    margin: var(--space-xs) 0;
}

/* ---------- Typing Indicator ---------- */
.sage-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--space-md) !important;
}

.sage-typing span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-400);
    animation: sage-typing-bounce 1.4s infinite ease-in-out;
}

.sage-typing span:nth-child(1) { animation-delay: 0s; }
.sage-typing span:nth-child(2) { animation-delay: 0.2s; }
.sage-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes sage-typing-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

/* ---------- Input Area ---------- */
.sage-input-area {
    display: flex;
    align-items: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-top: 1px solid var(--gray-200);
    background: var(--white);
}

#sage-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    resize: none;
    min-height: 40px;
    max-height: 120px;
    line-height: 1.4;
}

#sage-input:focus {
    outline: none;
    border-color: var(--sage-green);
}

.sage-send-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--sage-green);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, opacity 0.2s;
}

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

.sage-send-btn:not(:disabled):hover {
    background: var(--sage-dark);
}

.sage-send-btn svg {
    width: 18px;
    height: 18px;
}

/* ---------- Email Prompt (Inline) ---------- */
.sage-email-prompt {
    padding: var(--space-md);
    background: linear-gradient(135deg, var(--sage-light) 0%, rgba(76, 114, 115, 0.1) 100%);
    border-radius: var(--radius-md);
    margin: 0 var(--space-md) var(--space-md);
}

.sage-email-prompt-content p {
    margin: 0 0 var(--space-sm) 0;
    font-size: 0.9rem;
    color: var(--gray-700);
}

.sage-email-prompt-content p strong {
    color: var(--gray-900);
}

.sage-inline-form {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.sage-inline-form input[type="email"] {
    flex: 1;
    padding: var(--space-sm);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.sage-inline-form .sage-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
}

/* ---------- Email Capture View ---------- */
.sage-email-capture {
    padding: var(--space-xl);
    justify-content: center;
    align-items: center;
    text-align: center;
    background: var(--gray-50);
}

.sage-email-capture-content {
    max-width: 300px;
}

.sage-email-capture h3 {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    margin: 0 0 var(--space-sm) 0;
    color: var(--gray-900);
}

.sage-email-capture p {
    color: var(--gray-600);
    margin: 0 0 var(--space-lg) 0;
    line-height: 1.5;
}

.sage-email-capture .sage-form {
    margin-bottom: var(--space-md);
}

/* ---------- Mobile Responsive ---------- */
@media (max-width: 480px) {
    .sage-onboarding {
        padding: var(--space-lg);
    }

    .sage-onboarding h3 {
        font-size: 1.25rem;
    }

    .sage-email-prompt {
        margin: 0 var(--space-sm) var(--space-sm);
    }

    .sage-inline-form {
        flex-direction: column;
    }

    .sage-inline-form .sage-btn {
        width: 100%;
    }
}