:root {
    /* RayLay Primary Branding - Adjust if new branding colors are provided */
    --primary: #9945FF;
    --primary-light: #B27CFF;
    --primary-dark: #7F35DB;
    --secondary: #14F195;
    --secondary-light: #69F8BF;
    --secondary-dark: #09B06E;

    /* Dark Mode (Default) */
    --theme-bg-main: #121212;
    --theme-bg-secondary: #1E1E1E; /* For cards, forms etc. */
    --theme-bg-tertiary: #343434; /* For accents, hover states */
    --theme-text-main: #F9F9F9;
    --theme-text-secondary: #BBBBBB;
    --theme-text-headings: linear-gradient(to right, var(--primary-light), var(--secondary));
    --theme-border-color: #343434;
    --theme-code-bg: #2a2a2a; /* Slightly different for code blocks */
    --theme-code-text: #F0F0F0;
    --theme-input-bg: #343434;
    --theme-input-border: #565656;
    --theme-input-text: #F9F9F9;
    --theme-btn-primary-bg: var(--primary);
    --theme-btn-primary-text: #F9F9F9;
    --theme-btn-secondary-bg: transparent;
    --theme-btn-secondary-text: #F9F9F9;
    --theme-btn-secondary-border: #565656;
    --theme-link-color: var(--primary-light);

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="light"] {
    --primary: #7F35DB; /* Darker primary for light bg */
    --primary-light: #9945FF;
    --primary-dark: #5C1F99;
    --secondary: #09B06E; /* Darker secondary for light bg */
    --secondary-light: #14F195;
    --secondary-dark: #067D4D;

    /* Light Mode */
    --theme-bg-main: #F9F9F9; /* Slightly off-white */
    --theme-bg-secondary: #FFFFFF;
    --theme-bg-tertiary: #F0F0F0; /* Lighter accents */
    --theme-text-main: #181818; /* Not pure black */
    --theme-text-secondary: #555555;
    /* Headings might need a solid color for light mode if gradient doesn't look good */
    --theme-text-headings: var(--primary-dark);
    --theme-border-color: #E0E0E0;
    --theme-code-bg: #F5F5F5;
    --theme-code-text: #222222;
    --theme-input-bg: #FFFFFF;
    --theme-input-border: #CCCCCC;
    --theme-input-text: #181818;
    --theme-btn-primary-bg: var(--primary);
    --theme-btn-primary-text: #FFFFFF;
    --theme-btn-secondary-bg: transparent;
    --theme-btn-secondary-text: var(--primary-dark);
    --theme-btn-secondary-border: var(--primary-dark);
    --theme-link-color: var(--primary-dark);
}


@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--theme-bg-main);
    color: var(--theme-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Main Content Area */
.main {
    margin-left: var(--nav-width); /* Defined in sidebar.css */
    padding: 2rem;
    min-height: 100vh;
    width: calc(100% - var(--nav-width)); /* Defined in sidebar.css */
    transition: margin-left 0.3s ease, width 0.3s ease;
}

.section {
    max-width: 800px;
    padding: 2rem 0;
}

.section#home {
    max-width: none;
}

.section-header {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--theme-text-headings);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}
[data-theme="light"] .section-title { /* Solid color for light theme headings */
    color: var(--theme-text-headings);
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
}


.section-subtitle {
    font-size: 1.25rem;
    color: var(--theme-text-secondary);
    max-width: 800px;
}

/* Landing Section (Hero) */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-bottom: 3rem;
    min-height: calc(80vh - 4rem);
}

.hero-title {
    font-size: 3.5rem; /* Slightly adjusted */
    font-weight: bold;
    text-transform: uppercase;
    margin-bottom: 2rem; /* Adjusted */
    margin-top: 2rem; /* Adjusted */
    max-width: 650px; /* Adjusted */
    hyphens: auto;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
[data-theme="light"] .hero-title {
    color: var(--primary-dark); /* Example solid color for light theme */
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
}


.hero-subtitle {
    font-size: 1.3rem; /* Adjusted */
    color: var(--theme-text-main);
    max-width: 700px; /* Adjusted */
    hyphens: auto;
    font-style: normal; /* Less italicized */
    font-weight: 400; /* Normal weight */
    word-break: break-word;
    margin-bottom: 2.5rem; /* Adjusted */
    text-align: center; /* Changed from justify */
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem; /* Slightly larger */
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
}

.btn-primary {
    background-color: var(--theme-btn-primary-bg);
    color: var(--theme-btn-primary-text);
}

.btn-primary:hover {
    background-color: var(--primary-dark); 
}
[data-theme="light"] .btn-primary:hover {
    background-color: var(--primary-dark); 
}

.btn-secondary {
    background-color: var(--theme-btn-secondary-bg);
    color: var(--theme-btn-secondary-text);
    border: 1px solid var(--theme-btn-secondary-border);
}

.btn-secondary:hover {
    background-color: var(--theme-bg-tertiary);
    border-color: var(--theme-btn-secondary-border); /* Ensure border consistent on hover */
}

.btn-icon {
    margin-right: 0.5rem;
    font-size: 1.25rem;
}
.btn-icon svg { /* Ensure icons in buttons are themed if they use stroke/fill */
    stroke: currentColor;
}


/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    cursor: default; /* Remove pointer if not clickable */
    background-color: var(--theme-bg-secondary);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--theme-border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .feature-card:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.07);
}


.feature-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-dark); /* Keep icon bg consistent or theme it */
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: #FFFFFF; /* Icon color on dark bg */
}
.feature-icon svg {
    stroke: #FFFFFF; /* Ensure SVG icon color */
}


.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--theme-text-main);
}

.feature-desc {
    color: var(--theme-text-secondary);
    font-size: 0.95rem;
}

/* Testimonials */
.testimonials {
    padding: 2rem;
    background-color: var(--theme-bg-secondary);
    border-radius: 1rem;
    border: 1px solid var(--theme-border-color);
}

.testimonial-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--theme-text-main);
}

.testimonial-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.testimonial-card {
    padding: 1.5rem;
    background-color: var(--theme-bg-tertiary); /* Use tertiary for inner cards */
    border-radius: 0.75rem;
    position: relative;
    border: 1px solid var(--theme-border-color);
}
[data-theme="light"] .testimonial-card {
    background-color: var(--theme-bg-secondary); /* Slightly lighter for light theme */
}

.testimonial-text {
    margin-bottom: 1.5rem;
    font-style: italic;
    color: var(--theme-text-secondary);
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    margin-right: 1rem;
    background-color: var(--theme-border-color); /* Use a subtle color */
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--theme-text-main);
}

.testimonial-info {
    display: flex;
    flex-direction: column;
}

.testimonial-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--theme-text-main);
}

.testimonial-position {
    font-size: 0.85rem;
    color: var(--theme-text-secondary);
}

/* Calculator, Forms */
.calculator-container, .form-container /* Generic form container */ {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
.calculator-form-area, .form-area { /* Wrapper for actual form or results */
    background-color: var(--theme-bg-secondary);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--theme-border-color);
}
.auth-form-container { /* For login/register pages */
    max-width: 500px;
    margin: 4rem auto;
    padding: 2.5rem; /* More padding */
    background-color: var(--theme-bg-secondary);
    border-radius: 1rem;
    border: 1px solid var(--theme-border-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
[data-theme="dark"] .auth-form-container {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}


@media (min-width: 992px) {
    .calculator-container {
        grid-template-columns: 1fr 1fr;
    }
}

.calculator-form, .generic-form { /* Style for form areas */
    /* Styles moved to .calculator-form-area */
}

.form-title {
    font-size: 1.75rem; /* Slightly larger */
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--theme-text-main);
    text-align: center;
}
.form-group {
    margin-bottom: 1.25rem; /* More spacing */
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--theme-text-main);
}

.form-input, .form-select {
    width: 100%;
    padding: 0.85rem 1rem; /* Increased padding for better touch */
    border-radius: 0.35rem; /* Slightly more rounded */
    background-color: var(--theme-input-bg);
    border: 1px solid var(--theme-input-border);
    color: var(--theme-input-text);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}
[data-theme="light"] .form-input:focus, [data-theme="light"] .form-select:focus {
    box-shadow: 0 0 0 2px var(--primary-light);
}


.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23BBBBBB' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px 12px;
}
[data-theme="light"] .form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23555555' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
}


.form-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--theme-text-main);
    padding: 0.5rem 0; /* Add some padding for easier clicking */
}

.form-checkbox input {
    margin-right: 0.75rem; /* More space */
    width: 1.1rem; /* Slightly larger */
    height: 1.1rem;
    accent-color: var(--primary);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.75rem; /* Increased margin */
}

.form-actions .btn {
    flex: 1;
}

/* Presets (Calculator) */
.presets {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.preset-btn {
    padding: 0.5rem 0.75rem;
    background-color: var(--theme-bg-tertiary);
    border: 1px solid var(--theme-border-color);
    border-radius: 0.5rem;
    color: var(--theme-text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preset-btn:hover {
    background-color: var(--theme-input-border); /* A bit darker than tertiary */
    color: var(--theme-text-main);
}

.preset-btn.active {
    background-color: var(--primary-dark);
    border-color: var(--primary);
    color: #FFFFFF; /* White text on primary */
}

/* Calculator Results Table, Charts */
.calculator-results {
    /* Styles moved to .calculator-form-area */
}

.results-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--theme-text-main);
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    overflow-x: auto;
    display: block;
}

.results-table thead, .results-table tbody, .results-table tr {
     display: table;
     width: 100%;
     table-layout: fixed;
}

.results-table th,
.results-table td {
    padding: 0.75rem;
    text-align: right;
    border-bottom: 1px solid var(--theme-border-color);
    word-wrap: break-word;
}
.results-table th:first-child,
.results-table td:first-child {
    text-align: left;
}

.results-table th {
    font-weight: 600;
    color: var(--theme-text-main);
}

.results-table td {
    color: var(--theme-text-secondary);
}

.results-table tr:last-child td {
    border-bottom: none;
}

.results-table .highlight {
    color: var(--secondary);
    font-weight: 600;
}

.results-table .raylay-row td { /* Renamed from raylay-row */
     color: var(--theme-text-main);
}
.results-table .raylay-row td.highlight {
     color: var(--secondary-light);
}

 .results-table .negative-saving {
    color: #FF6B6B;
 }
 .results-table .positive-saving {
    color: var(--secondary);
 }

.results-charts { /* For calculator page */
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .results-charts {
        grid-template-columns: 1fr 1fr;
    }
}

.chart-container {
    border-radius: 0.75rem;
    padding: 0em;
    padding-bottom: 4rem;
    padding-top: 1rem;
    position: relative;
}

.chart-title {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--theme-text-main);
}

/* Code Blocks (API, Whitepaper) */
.code-block {
    background-color: var(--theme-code-bg);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
    overflow-x: auto;
    position: relative;
    border: 1px solid var(--theme-border-color);
}

.code-block pre {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--theme-code-text);
    line-height: 1.5;
}

.copy-btn {
    background: var(--theme-bg-tertiary);
    border: 1px solid var(--theme-border-color);
    color: var(--theme-text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    padding: 0.3rem 0.6rem; /* Slightly more padding */
    border-radius: 4px;
    transition: all 0.2s ease;
    position: absolute;
    top: 0.75rem; /* Adjusted position */
    right: 0.75rem;
}
.copy-btn .copy-icon { margin-right: 0.35rem;}
.copy-btn .copy-icon svg { fill: var(--theme-text-secondary); width:14px; height:14px; }

.copy-btn:hover {
    color: var(--theme-text-main);
    background-color: var(--theme-input-border); /* Slightly darker */
}
.copy-btn:hover .copy-icon svg { fill: var(--theme-text-main); }


/* API Section Specifics */
.api-section-content {
    display: grid; /* keep for potential future layouts */
    gap: 2rem;
}

.api-docs-title, .api-demo-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--theme-text-main);
}
.endpoint-description {
    color: var(--theme-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}
.endpoint-path {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--theme-text-main);
}
.demo-tabs {
    display: flex;
    border-bottom: 1px solid var(--theme-border-color);
    margin-bottom: 1rem; /* Increased margin */
    flex-wrap: wrap; /* Allow tabs to wrap on smaller screens */
}
.demo-tab {
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-weight: 500;
    color: var(--theme-text-secondary);
    position: relative;
    transition: color 0.2s ease, border-color 0.2s ease;
    border-bottom: 2px solid transparent; /* Placeholder for active state */
    margin-bottom: -1px; /* Overlap with container's border */
}
.demo-tab:hover {
    color: var(--theme-text-main);
}
.demo-tab.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary);
}
[data-theme="light"] .demo-tab.active {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-dark);
}
.primary-tab-content, .secondary-tab-content { display: none; }
.primary-tab-content.active, .secondary-tab-content.active { display: block; }
.secondary-tab-content-area .secondary-tab-content { padding-top: 1.5rem; }
.response-example { margin-top: 1rem; }
.response-title { font-size: 0.9rem; color: var(--theme-text-secondary); margin-bottom: 0.5rem; font-weight: 500;}
.endpoint-method {
    padding: 0.3rem 0.6rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 0.75rem;
    text-transform: uppercase;
    color: #FFFFFF;
}
.method-post { background-color: var(--primary-dark); }
.method-get { background-color: var(--secondary-dark); color: var(--theme-text-main); }
[data-theme="light"] .method-get { color: #FFFFFF; }
.endpoint { margin-bottom: 2rem; }
.endpoint-header { display: flex; align-items: center; margin-bottom: 0.75rem;}


/* Whitepaper Section Specifics */
.whitepaper-header {
    margin-bottom: 2rem;
    display: flex;
    flex-grow: 1;
}
.whitepaper-content { /* Now holds TOC and Sections */
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 2rem;
}
.whitepaper-toc {
    background-color: var(--theme-bg-secondary);
    border-radius: 0.75rem;
    padding: 1.5rem;
    position: sticky;
    top: 2rem;
    height: fit-content;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
    border: 1px solid var(--theme-border-color);
}
.toc-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--theme-input-border); /* Lighter border */
    color: var(--theme-text-main);
}
.toc-list { list-style: none; }
.toc-item { margin-bottom: 0.75rem; }
.toc-link {
    color: var(--theme-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
    display: block;
    padding: 0.25rem 0;
}
.toc-link:hover { color: var(--theme-text-main); }
.toc-link.active {
    color: var(--primary-light);
    font-weight: 500;
}
[data-theme="light"] .toc-link.active { color: var(--primary-dark); }
.paper-section { margin-bottom: 3rem; scroll-margin-top: 2rem; }
.paper-section-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--theme-text-main);
}
.paper-section-content {
    color: var(--theme-text-secondary);
    line-height: 1.7;
}
.paper-section-content p { margin-bottom: 1rem; }
.paper-section-content ul, .paper-section-content ol { margin-bottom: 1rem; padding-left: 1.5rem;}
.paper-section-content li { margin-bottom: 0.5rem; }

.paper-section-content code {
    font-family: var(--font-mono);
    background-color: var(--theme-code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    color: var(--secondary-light);
}
[data-theme="light"] .paper-section-content code {
    color: var(--secondary-dark); /* Darker secondary for light code */
}
.paper-section-content pre {
    background-color: var(--theme-code-bg);
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-bottom: 1rem;
    border: 1px solid var(--theme-border-color);
}
.paper-section-content pre code {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    color: var(--theme-code-text); /* Reset for pre blocks */
    border: none;
}
.paper-figure { margin: 2rem 0; text-align: center; }
.paper-figure img, .paper-figure svg {
    max-width: 100%;
    height: auto;
    background-color: var(--theme-bg-secondary); /* Add bg for visibility */
    border-radius: 0.5rem;
    padding: 1rem;
    border: 1px solid var(--theme-border-color);
}
.paper-figure-caption { font-size: 0.875rem; color: var(--theme-text-secondary); margin-top: 0.75rem; }


/* FAQ/Legal Section */
.faq-container {
    background-color: var(--theme-bg-secondary);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--theme-border-color);
}
.faq-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--theme-border-color);
    padding-bottom: 1rem;
}
.faq-category {
    padding: 0.5rem 1rem;
    background-color: var(--theme-bg-tertiary);
    border-radius: 0.5rem;
    color: var(--theme-text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}
.faq-category:hover {
    background-color: var(--theme-input-border);
    color: var(--theme-text-main);
}
.faq-category.active {
    background-color: var(--primary-dark);
    color: #FFFFFF;
    border-color: var(--primary);
}
.faq-list { display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
    background-color: var(--theme-bg-tertiary);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: background-color 0.2s ease;
    border: 1px solid var(--theme-border-color);
}
[data-theme="light"] .faq-item { background-color: var(--theme-bg-main); }

.faq-item[data-category] { display: none; }
.faq-item.visible { display: block; }

.faq-question {
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: var(--theme-text-main);
    transition: background-color 0.2s ease;
}
.faq-question:hover { background-color: var(--theme-input-border); }
.faq-question-text { flex: 1; margin-right: 1rem; }
.faq-icon { transition: transform 0.3s ease; flex-shrink: 0; }
.faq-icon svg polyline, .faq-icon svg path { stroke: var(--theme-text-secondary); }
.faq-answer {
    padding: 0 1.25rem;
    max-height: 0;
    overflow: hidden;
    color: var(--theme-text-secondary);
    transition: all 0.3s ease;
    line-height: 1.7;
}
.faq-answer-content { padding: 0 0 1.25rem; border-top: 1px solid var(--theme-input-border); margin-top: 1rem; }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-item.active .faq-answer { max-height: 700px; /* Adjust max height as needed */ }
.faq-item.active { background-color: var(--theme-input-border); }
[data-theme="light"] .faq-item.active { background-color: var(--theme-bg-tertiary); }


/* Info Cards (Cases, Investor) */
 .info-card-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); /* Adjusted minmax */
     gap: 1.5rem;
 }
 .info-card {
     background-color: var(--theme-bg-secondary);
     border-radius: 1rem;
     padding: 2rem;
     border: 1px solid var(--theme-border-color);
     transition: transform 0.2s ease, box-shadow 0.2s ease;
 }
 .info-card:hover { transform: translateY(-5px); box-shadow: 0 8px 16px rgba(0,0,0,0.1); }
 [data-theme="light"] .info-card:hover { box-shadow: 0 8px 16px rgba(0,0,0,0.07); }

 .info-card-title {
    font-size: 1.35rem; /* Slightly larger */
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-light);
 }
 [data-theme="light"] .info-card-title { color: var(--primary-dark); }
 .info-card-desc {
    color: var(--theme-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.65;
 }
 .info-card ul {
    color: var(--theme-text-secondary);
    list-style-type: '✓ '; /* Custom bullet */
    padding-left: 1.5rem;
    margin-bottom: 1rem;
 }
 .info-card ul li { margin-bottom: 0.5rem; }


/* Visual Comparison Cards (Calculator) */
.comparison-stage-card {
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
    transform: translateY(20px);
    background-color: var(--theme-bg-tertiary); /* Themed background */
    border: 1px solid var(--theme-border-color);
}
[data-theme="light"] .comparison-stage-card {
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.comparison-stage-card.active-stage { display: block; opacity: 1; transform: translateY(0px); }
.stage-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--theme-text-main);
}
.provider-comparison { display: flex; gap: 1.5rem; margin-top: 1rem; justify-content: space-around; flex-wrap: wrap;}
.provider-box {
    flex: 1;
    padding: 1rem;
    border-radius: 0.5rem;
    min-width: 220px; /* Adjusted */
}
.provider-box h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    text-align: center;
    color: var(--theme-text-main);
}
.provider-box p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0.5rem;
    color: var(--theme-text-secondary);
}
.provider-box .amount-remaining {
    font-size: 1.4rem;
    font-weight: bold;
    display: block;
    text-align: center;
    margin-top: 0.75rem;
    color: var(--theme-text-main); /* Themed */
}
.traditional-provider-box {
    background: linear-gradient(135deg, var(--primary-dark), #E74C3C);
    color: #FFFFFF; text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    border-radius: 5px; padding: 1rem; flex-grow:1;
}
.raylay-provider-box { /* Renamed */
    background: linear-gradient(135deg, #007547, #02da84);
    color: #FFFFFF; text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    border-radius: 5px; padding: 1rem; flex-grow:1;
}
/* Ensure text within gradient boxes is light */
.traditional-provider-box h4, .traditional-provider-box p, .traditional-provider-box .amount-remaining,
.raylay-provider-box h4, .raylay-provider-box p, .raylay-provider-box .amount-remaining {
    color: #FFFFFF;
}

#stageNavigation { display: flex; gap: 10px; margin: 1rem auto; justify-content: center; }
#stageNavigation .stage-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--theme-text-secondary);
    cursor: pointer;
    transition: background-color 0.3s ease;
}
#stageNavigation .stage-dot.active-dot { background-color: var(--secondary); }

/* Final Net Summary colors */
#finalNetSummary { margin-top: 1.5rem; font-size: 1rem;line-height: 1.6rem;margin-bottom:1.5rem; text-align: center;}
#finalNetSummary strong { font-size: 1.1em; }
#finalNetSummary .raylay-net { color: var(--secondary); }
#finalNetSummary .stripe-net { color: var(--primary-light); }
#finalNetSummary .paypal-net { color: #E74C3C; }
[data-theme="light"] #finalNetSummary .raylay-net { color: var(--secondary-dark); }
[data-theme="light"] #finalNetSummary .stripe-net { color: var(--primary-dark); }
[data-theme="light"] #finalNetSummary .paypal-net { color: #D35400; } /* Slightly adjusted for light theme */


.note {
    font-size: 0.875rem;
    color: var(--theme-text-secondary);
    margin-top: 1rem;
    font-style: italic;
}

/* Responsive Design (mostly for main content area now) */
@media (max-width: 1024px) {
    .whitepaper-content { display: block; }
    .whitepaper-toc { position: static; margin-bottom: 2rem; max-height: none; }
}

@media (max-width: 768px) {
    /* Sidebar responsive handled in sidebar.css */
    .main {
        margin-left: 0;
        width: 100%;
        padding: 1.5rem;
    }
    .hero-title { font-size: 2.25rem; }
    .hero-subtitle { font-size: 1.15rem; }
    .section-title { font-size: 2rem; }
    .cta-buttons .btn { width: 90%; max-width: 320px; }
    .calculator-container { grid-template-columns: 1fr; }
    .results-table { font-size: 0.85rem; }
    .results-table th, .results-table td { padding: 0.5rem; }
    .api-section-content { grid-template-columns: 1fr; }
    .info-card-grid { grid-template-columns: 1fr; } /* Force single column for info cards */
}

/* Utility class for screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Login/Register form specific alignment */
.auth-form-container .form-actions {
    justify-content: center; /* Center the single button */
}
.auth-form-container .form-actions .btn {
    flex: none; /* Don't stretch button */
    width: auto;
    min-width: 150px;
    padding: 0.85rem 2rem; /* Consistent button padding */
}
.auth-form-container .form-text-below { /* Renamed from p for clarity */
    text-align: center;
    margin-top: 1.5rem;
    color: var(--theme-text-secondary);
    font-size: 0.95rem;
}
.auth-form-container .form-text-below a {
    color: var(--theme-link-color);
    text-decoration: none;
    font-weight: 500;
}
.auth-form-container .form-text-below a:hover {
    text-decoration: underline;
}

/* Placeholder for Account Pages */
.account-page-placeholder {
    text-align: center;
    padding: 3rem;
    background-color: var(--theme-bg-secondary);
    border: 1px dashed var(--theme-border-color);
    border-radius: 1rem;
    color: var(--theme-text-secondary);
}
.account-page-placeholder h2 {
    color: var(--theme-text-main);
    margin-bottom: 1rem;
}
/* Add to your existing style.css or a new auth.css */
.auth-container, .overview-container, .apikeys-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background-color: #f9f9f9;
}
.auth-container h2, .overview-container h2, .apikeys-container h2 {
    text-align: center;
    margin-bottom: 20px;
}
.auth-container div {
    margin-bottom: 15px;
}
.auth-container label {
    display: block;
    margin-bottom: 5px;
}
.auth-container input[type="email"],
.auth-container input[type="password"] {
    width: calc(100% - 22px); /* Account for padding and border */
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.auth-container button[type="submit"],
.overview-container button,
.apikeys-container button {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}
.auth-container button[type="submit"]:hover,
.overview-container button:hover,
.apikeys-container button:hover {
    background-color: #0056b3;
}
.auth-container p {
    text-align: center;
    margin-top: 15px;
}
.message {
    padding: 10px;
    margin-top: 10px;
    border-radius: 4px;
    text-align: center;
}
.message.info {
    background-color: #e7f3fe;
    border: 1px solid #d0eaff;
    color: #0c5460;
}
.message.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}
.message.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

#userInfo p {
    margin-bottom: 10px;
    line-height: 1.6;
}
#userInfo strong {
    color: #333;
}

/* In css/style.css or a new apikeys.css */
.apikeys-container {
    max-width: 700px; /* Wider for API keys */
    /* ... existing styles ... */
}

.api-key-items {
    list-style-type: none;
    padding: 0;
}

.api-key-item {
    background-color: #fff;
    border: 1px solid #eee;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.api-key-item .key-info {
    flex-grow: 1;
}

.api-key-item .delete-key-btn {
    background-color: #dc3545;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
}

.api-key-item .delete-key-btn:hover {
    background-color: #c82333;
}

#newApiKeySection code {
    background-color: #f1f1f1;
    padding: 5px;
    border-radius: 3px;
    display: block;
}

/* Message styles (you might have these already from auth_forms.js) */
.message {
    padding: 10px;
    margin-top: 10px;
    border-radius: 4px;
    text-align: center;
    border: 1px solid transparent;
}
.message.info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}
.message.success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}
.message.error {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}