/* ============================================
   CalmMind - Main Stylesheet
   Soft, professional, ethically-focused design
   ============================================ */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Soft Blue Palette */
    --primary-blue: #6B9BD1;
    --primary-blue-light: #8BB3E0;
    --primary-blue-dark: #4A7BB8;
    --soft-blue: #A8C5E8;
    --very-soft-blue: #D4E4F5;
    --light-blue-bg: #F0F6FC;
    
    /* Pastel Neutrals */
    --cream: #F8F9FA;
    --light-grey: #E8ECF0;
    --medium-grey: #C8D1DB;
    --dark-grey: #6B7A8A;
    --text-dark: #2C3E50;
    --text-light: #5A6C7D;
    
    /* Accent Colors */
    --white: #FFFFFF;
    --shadow-soft: rgba(107, 155, 209, 0.1);
    --shadow-medium: rgba(107, 155, 209, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.4s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--cream);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

/* Header */
.main-header {
    background-color: var(--white);
    box-shadow: 0 2px 8px var(--shadow-soft);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--spacing-md) 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue-dark);
}

.logo-link {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

.logo-link:hover {
    color: var(--primary-blue);
}

.logo-text {
    letter-spacing: -0.5px;
}

.main-nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
    background-color: var(--very-soft-blue);
}

.nav-link.active {
    color: var(--primary-blue-dark);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    height: 2px;
    background-color: var(--primary-blue);
    border-radius: 2px;
}

/* Homepage Hero Section */
.homepage-main {
    flex: 1;
    background: linear-gradient(135deg, var(--very-soft-blue) 0%, var(--light-blue-bg) 50%, var(--soft-blue) 100%);
    padding: var(--spacing-xxl) 0;
    display: flex;
    align-items: center;
    min-height: calc(100vh - 200px);
}

.hero-section {
    width: 100%;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-title {
    font-size: 3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow-medium);
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--shadow-medium);
}

.cta-button:active {
    transform: translateY(0);
}

/* Page Main (for non-homepage pages) */
.page-main {
    flex: 1;
    padding: var(--spacing-xl) 0;
    background-color: var(--cream);
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 400;
}

/* About Page */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-xl);
}

.about-description {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: 0 2px 12px var(--shadow-soft);
}

.lead-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.about-description p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
    line-height: 1.8;
}

.about-description p:last-child {
    margin-bottom: 0;
}

.about-values {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: 0 2px 12px var(--shadow-soft);
}

.values-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.value-item {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: 12px;
    background-color: var(--very-soft-blue);
    transition: all var(--transition-normal);
}

.value-item:hover {
    background-color: var(--soft-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-soft);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.value-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.value-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Chat Page */
.chat-page {
    background-color: var(--light-grey);
    min-height: 100vh;
}

.chat-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--medium-grey);
    padding: var(--spacing-md) var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 4px var(--shadow-soft);
}

.chat-header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-logo .logo-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-blue-dark);
}

.chat-session-info {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

.chat-container {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 80px);
    max-width: 1400px;
    margin: 0 auto;
    background-color: var(--light-grey);
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
}

.chat-info-section {
    background-color: var(--white);
    border-radius: 16px;
    padding: var(--spacing-xl);
    box-shadow: 0 2px 12px var(--shadow-soft);
}

.chat-info-content {
    max-width: 900px;
    margin: 0 auto;
}

.chat-info-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    text-align: center;
    letter-spacing: -0.5px;
}

.chat-info-text {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

.chat-info-text p {
    margin-bottom: var(--spacing-md);
}

.chat-widget-container {
    flex: 1;
    background-color: var(--white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 12px var(--shadow-soft);
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

#bp-embedded-webchat {
    width: 100%;
    height: 100%;
    min-height: 500px;
    border-radius: 12px;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background-color: var(--light-grey);
}

.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--light-grey);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--medium-grey);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--dark-grey);
}

.message {
    display: flex;
    margin-bottom: var(--spacing-sm);
    animation: fadeIn 0.3s ease;
}

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

.bot-message {
    justify-content: flex-start;
}

.user-message {
    justify-content: flex-end;
}

.message-content {
    max-width: 70%;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 18px;
    line-height: 1.6;
    word-wrap: break-word;
}

.bot-message .message-content {
    background-color: var(--white);
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 6px var(--shadow-soft);
    color: var(--text-dark);
}

.user-message .message-content {
    background-color: var(--primary-blue);
    color: var(--white);
    border-bottom-right-radius: 4px;
    box-shadow: 0 2px 6px var(--shadow-medium);
}

.chat-input-container {
    background-color: var(--white);
    border-top: 1px solid var(--medium-grey);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: 0 -2px 8px var(--shadow-soft);
}

.chat-input-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--light-grey);
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    resize: none;
    outline: none;
    transition: border-color var(--transition-fast);
    background-color: var(--cream);
    color: var(--text-dark);
    min-height: 50px;
    max-height: 120px;
}

.chat-input:focus {
    border-color: var(--primary-blue);
    background-color: var(--white);
}

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

.send-button {
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    height: 50px;
}

.send-button:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--shadow-medium);
}

.send-button:active {
    transform: translateY(0);
}

.send-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Loading and Error States */
.loading-message {
    opacity: 0.7;
}

.loading-content {
    display: flex;
    align-items: center;
    min-height: 40px;
}

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

.loading-dots span {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-blue);
    animation: loadingDot 1.4s infinite ease-in-out;
}

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

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

.loading-dots span:nth-child(3) {
    animation-delay: 0s;
}

@keyframes loadingDot {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.error-message .message-content {
    background-color: #FFF3E0;
    border-left: 4px solid #FF9800;
    color: var(--text-dark);
}

.safety-notice {
    margin-top: var(--spacing-sm);
}

.safety-content {
    background-color: var(--very-soft-blue);
    border-left: 4px solid var(--primary-blue);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 12px;
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.7;
}

.safety-content strong {
    color: var(--primary-blue-dark);
    font-weight: 600;
}

/* Safety Page */
.safety-content {
    max-width: 900px;
    margin: 0 auto;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.section-title:first-of-type {
    margin-top: 0;
}

.faq-section,
.guidelines-section,
.resources-section {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: 0 2px 12px var(--shadow-soft);
    margin-bottom: var(--spacing-lg);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    padding: var(--spacing-md);
    border-radius: 12px;
    background-color: var(--very-soft-blue);
    transition: all var(--transition-normal);
}

.faq-item:hover {
    background-color: var(--soft-blue);
    box-shadow: 0 2px 8px var(--shadow-soft);
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.faq-answer {
    color: var(--text-light);
    line-height: 1.7;
}

.guidelines-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.guideline-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 12px;
    background-color: var(--very-soft-blue);
    transition: all var(--transition-normal);
}

.guideline-item:hover {
    background-color: var(--soft-blue);
    transform: translateX(4px);
}

.guideline-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.guideline-content {
    flex: 1;
}

.guideline-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.guideline-content p {
    color: var(--text-light);
    line-height: 1.7;
}

.resources-intro {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    font-size: 1.05rem;
}

.resources-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.resource-item {
    padding: var(--spacing-md);
    border-radius: 12px;
    background-color: var(--very-soft-blue);
    transition: all var(--transition-normal);
}

.resource-item:hover {
    background-color: var(--soft-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-soft);
}

.resource-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.resource-description {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.resource-link {
    display: inline-block;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.resource-link:hover {
    color: var(--primary-blue-dark);
    text-decoration: underline;
}

/* Contact/Feedback Page */
.contact-content,
.feedback-content {
    max-width: 700px;
    margin: 0 auto;
}

.feedback-form-container {
    background-color: var(--white);
    border-radius: 16px;
    padding: var(--spacing-md);
    box-shadow: 0 2px 12px var(--shadow-soft);
    overflow: hidden;
}

.feedback-form-container iframe {
    border: none;
    border-radius: 8px;
    width: 100%;
    min-height: 600px;
    height: 600px;
}

.contact-intro {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.intro-text {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 400;
    line-height: 1.7;
}

.contact-form {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: 0 2px 12px var(--shadow-soft);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--light-grey);
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--text-dark);
    background-color: var(--cream);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--primary-blue);
    background-color: var(--white);
    box-shadow: 0 0 0 3px var(--shadow-soft);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-light);
}

.form-actions {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.submit-button {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.submit-button:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--shadow-medium);
}

.submit-button:active {
    transform: translateY(0);
}

/* Footer */
.main-footer {
    background-color: var(--white);
    border-top: 1px solid var(--light-grey);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright {
    color: var(--text-light);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary-blue);
}

/* Responsive Design (Desktop Focus) */
@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .about-content {
        gap: var(--spacing-xxl);
    }
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .values-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .resources-list {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .main-nav {
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        font-size: 0.85rem;
        padding: var(--spacing-xs);
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus States for Accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}