/* ===== CSS Variables ===== */
:root {
    --color-indigo-50: #eef2ff;
    --color-indigo-100: #e0e7ff;
    --color-indigo-400: #818cf8;
    --color-indigo-500: #6366f1;
    --color-indigo-600: #4f46e5;
    --color-indigo-700: #4338ca;
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
    --color-red-50: #fef2f2;
    --color-red-200: #fecaca;
    --color-red-300: #fca5a5;
    --color-red-500: #ef4444;
    --color-red-600: #dc2626;
    --color-red-700: #b91c1c;
    --color-white: #ffffff;
    --color-black: #000000;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-indigo: 0 10px 15px -3px rgb(79 70 229 / 0.2);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Disable zoom on mobile */
html {
    touch-action: pan-x pan-y;
    -ms-touch-action: pan-x pan-y;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-slate-50);
    color: var(--color-slate-800);
    line-height: 1.5;
    min-height: 100vh;
    padding-bottom: 2.5rem;
    touch-action: pan-x pan-y;
    -ms-touch-action: pan-x pan-y;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--color-slate-900);
}

.text-indigo { color: var(--color-indigo-600); }
.text-slate-400 { color: var(--color-slate-400); }
.text-slate-500 { color: var(--color-slate-500); }
.text-slate-600 { color: var(--color-slate-600); }
.text-slate-700 { color: var(--color-slate-700); }
.text-slate-900 { color: var(--color-slate-900); }
.text-red-600 { color: var(--color-red-600); }
.text-red-700 { color: var(--color-red-700); }
.text-white { color: var(--color-white); }

.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-center { text-align: center; }

/* ===== Layout ===== */
.container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
    .container { padding: 0 2rem; }
}

.grid { display: grid; gap: 1.5rem; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* Small tablet grids - for portrait tablets */
@media (min-width: 768px) {
    .sm-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Tablet grids - stack elements vertically for more space */
@media (min-width: 1024px) {
    .md-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1280px) {
    .md-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.flex-1 { flex: 1 1 0%; }
.min-w-0 { min-width: 0; }

/* ===== Spacing ===== */
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-12 > * + * { margin-top: 3rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-12 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.mx-auto { margin-left: auto; margin-right: auto; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.ml-2 { margin-left: 0.5rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }

.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }

.pl-8 { padding-left: 2rem; }
.pr-8 { padding-right: 2rem; }

/* ===== Header & Navigation ===== */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

@media (min-width: 640px) {
    .header-container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
    .header-container { padding: 0 2rem; }
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: opacity 0.2s;
}

.logo:hover { opacity: 0.8; }

.logo-icon {
    width: 2rem;
    height: 2rem;
    color: var(--color-indigo-600);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--color-slate-900);
}

.mobile-menu-btn {
    display: block;
    padding: 0.5rem;
    border-radius: 0.5rem;
    border: none;
    background: none;
    cursor: pointer;
    transition: background-color 0.2s;
    color: var(--color-slate-700);
}

.mobile-menu-btn:hover {
    background-color: var(--color-slate-100);
}

.mobile-menu-btn .icon {
    color: var(--color-slate-700);
}

@media (min-width: 768px) {
    .mobile-menu-btn { display: none; }
}

.desktop-nav {
    display: none;
    gap: 0.0625rem;
    background-color: var(--color-slate-100);
    padding: 0.25rem;
    border-radius: 0.5rem;
}

@media (min-width: 768px) {
    .desktop-nav { display: flex; }
}

.nav-link {
    padding: 0.375rem 0.7rem 0.375rem 0.7rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.375rem;
    text-decoration: none;
    color: var(--color-slate-500);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.125rem;
}

/* Reduce right padding for dropdown menus */
.nav-dropdown .nav-link {
    padding-right: 0.4rem;
}

.nav-link:hover {
    color: var(--color-slate-900);
}

.nav-link.active {
    background-color: var(--color-white);
    color: var(--color-indigo-600);
    box-shadow: var(--shadow-sm);
}

.dropdown-arrow {
    width: 12px;
    height: 12px;
    transition: transform 0.2s;
}

/* Navigation Dropdown */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown-menu:hover {
    display: block;
}

.nav-dropdown:hover .dropdown-arrow,
.nav-dropdown:focus-within .dropdown-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 0.25rem);
    left: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-slate-200);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 50;
    padding: 0.25rem;
}

.nav-dropdown-menu-right {
    left: auto;
    right: 0;
}

.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -0.25rem;
    left: 0;
    right: 0;
    height: 0.25rem;
    background-color: transparent;
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-slate-600);
    text-decoration: none;
    border-radius: 0.375rem;
    transition: all 0.2s;
}

.nav-dropdown-item:hover {
    background-color: var(--color-slate-50);
    color: var(--color-slate-900);
}

.nav-dropdown-item.active {
    background-color: var(--color-indigo-50);
    color: var(--color-indigo-600);
}

.mobile-menu {
    border-top: 1px solid var(--color-slate-200);
    background-color: var(--color-white);
}

@media (min-width: 768px) {
    .mobile-menu { display: none !important; }
}

.mobile-nav {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0.75rem 1rem;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-slate-700);
}

.mobile-nav-link .icon {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
    transition: background-color 0.2s;
}

.mobile-nav-link:hover {
    background-color: var(--color-slate-50);
}

.mobile-nav-link.active {
    background-color: var(--color-indigo-50);
    color: var(--color-indigo-600);
}

/* ===== Cards & Containers ===== */
.card {
    background-color: var(--color-white);
    border-radius: 0.75rem;
    border: 1px solid var(--color-slate-200);
    box-shadow: var(--shadow-sm);
    padding: 1rem;
    min-width: 0; /* Allow shrinking */
}

@media (min-width: 1024px) {
    .card {
        padding: 1.5rem;
    }
}

.card-lg {
    background-color: var(--color-white);
    border-radius: 0.75rem;
    border: 1px solid var(--color-slate-200);
    padding: 1rem;
    transition: box-shadow 0.2s;
    min-width: 0; /* Allow shrinking */
}

@media (min-width: 1024px) {
    .card-lg {
        padding: 1.5rem;
    }
}

.card-lg:hover {
    box-shadow: var(--shadow-lg);
}

.card:hover { box-shadow: var(--shadow-lg); }
.card-clickable { cursor: pointer; transition: all 0.2s; }
.card-clickable:hover { box-shadow: var(--shadow-lg); }

.sticky-panel {
    position: sticky;
    top: 6rem;
}

/* ===== Main Content ===== */
.main-content {
    max-width: 80rem;
    margin: 0 auto;
    padding: 2rem 1rem;
}

@media (min-width: 640px) {
    .main-content { padding: 2rem 1.5rem; }
}

@media (min-width: 1024px) {
    .main-content { padding: 2rem; }
}

.two-column-layout {
    display: grid;
    gap: 2rem;
    align-items: start;
}

/* Tablet portrait (768px+): two-column layout with fixed right panel */
@media (min-width: 768px) {
    .two-column-layout {
        grid-template-columns: minmax(0, 1fr) 320px;
    }
}

/* Large tablet / small desktop (900px+): slightly wider left side */
@media (min-width: 900px) {
    .two-column-layout {
        grid-template-columns: minmax(0, 1fr) 340px;
    }
}

/* Desktop (1024px+): optimal widths */
@media (min-width: 1024px) {
    .two-column-layout {
        grid-template-columns: minmax(0, 1fr) 360px;
    }
}

/* Large desktop (1280px+): even wider right panel */
@media (min-width: 1280px) {
    .two-column-layout {
        grid-template-columns: 2fr 1fr;
    }
}

/* API Documentation Layout - Fixed widths to match download options panel */
.two-column-layout.api-layout {
    grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
    .two-column-layout.api-layout {
        grid-template-columns: 320px 1fr;
        max-width: 80rem;
    }
    
    /* Align API content top with sidebar top */
    .two-column-layout.api-layout > div:last-child {
        align-self: start;
    }
    
    /* Remove top margin from first child in API content to align with sidebar */
    .two-column-layout.api-layout > div:last-child > *:first-child {
        margin-top: 0;
    }
    
    /* Remove top margin from first visible content card (second child, since mobile header is hidden on desktop) */
    .two-column-layout.api-layout > div:last-child > *:nth-child(2) {
        margin-top: 0;
    }
}

/* API Sidebar - Hidden on mobile/tablet */
.api-sidebar {
    display: none;
}

@media (min-width: 1024px) {
    .api-sidebar {
        display: block;
        position: sticky;
        top: 6rem;
        align-self: start;
    }
}

/* API Mobile Header - Visible on mobile/tablet */
.api-mobile-header {
    display: block;
}

@media (min-width: 1024px) {
    .api-mobile-header {
        display: none;
    }
}

/* ===== Page Headers ===== */
.page-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-slate-200);
}

.page-header-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-indigo-600);
}

.page-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-slate-900);
}

/* ===== Bulk Navigation Tabs ===== */
.bulk-tabs {
    border-bottom: 1px solid var(--color-slate-200);
    margin-bottom: 1.5rem;
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
}

/* Tablet: wrap tabs if needed */
@media (min-width: 768px) {
    .bulk-tabs {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0;
    }
}

/* Desktop: no wrap needed */
@media (min-width: 1024px) {
    .bulk-tabs {
        flex-wrap: nowrap;
    }
}

.bulk-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 20px;
    border-bottom: 2px solid transparent;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-slate-500);
    transition: all 0.2s;
    white-space: nowrap;
}


.bulk-tab:hover {
    color: var(--color-slate-700);
    border-color: var(--color-slate-300);
    background-color: var(--color-slate-50);
}

.bulk-tab.active {
    border-color: var(--color-indigo-500);
    color: var(--color-indigo-600);
    background-color: var(--color-indigo-50);
}

/* ===== API Navigation Menu (Vertical) ===== */
.api-nav-menu {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.api-nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-slate-600);
    border-radius: 0.375rem;
    transition: all 0.2s;
}

.api-nav-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: currentColor;
    flex-shrink: 0;
}

.api-nav-item:hover {
    color: var(--color-slate-900);
    background-color: var(--color-slate-50);
}

.api-nav-item.active {
    background-color: var(--color-indigo-50);
    color: var(--color-indigo-600);
}

/* ===== List Alignment ===== */
/* Make bullet points align with checkmark icons - only for non-flex list items */
.card ul:not(.flex) li:not(.flex) {
    position: relative;
    padding-left: 1.75rem;
    list-style: none;
}

.card ul:not(.flex) li:not(.flex)::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--color-slate-600);
    font-weight: bold;
}

/* Remove default list styling for non-flex lists */
.card ul:not(.flex) {
    padding-left: 0;
    list-style: none;
}

/* Ensure text alignment matches checkmark icons */
.card ul.flex li span {
    padding-left: 0;
}

/* Don't add bullets to flex items (checkmark icons) */
.card ul.flex li::before {
    display: none;
}

/* ===== Forms ===== */
.form-group { margin-bottom: 1rem; }

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-slate-700);
    margin-bottom: 0.5rem;
}

/* ===== Material Design 3 Outlined Text Fields ===== */
.md-field {
    position: relative;
    width: 100%;
}

.md-input,
.md-textarea,
.md-select {
    width: 100%;
    padding: 1rem 1rem 0.75rem;
    border: 1px solid var(--color-slate-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--color-white);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    outline: none;
}

.md-input:hover,
.md-textarea:hover,
.md-select:hover {
    border-color: var(--color-slate-400);
}

.md-input:focus,
.md-textarea:focus,
.md-select:focus {
    border-color: var(--color-indigo-500);
    border-width: 2px;
    padding: calc(1rem - 1px) calc(1rem - 1px) calc(0.75rem - 1px);
    box-shadow: none;
}

.md-label {
    position: absolute;
    left: 0.75rem;
    top: 0;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: var(--color-slate-600);
    background: var(--color-white);
    padding: 0 0.25rem;
    pointer-events: none;
    transition: color 0.2s ease;
    z-index: 1;
}

/* Label color when focused */
.md-input:focus ~ .md-label,
.md-textarea:focus ~ .md-label,
.md-select:focus ~ .md-label {
    color: var(--color-indigo-600);
}

/* Disabled input styling */
.md-input:disabled,
.md-textarea:disabled {
    background-color: var(--color-slate-50);
    color: var(--color-slate-600);
    cursor: not-allowed;
    border-color: var(--color-slate-200);
}

.md-input:disabled ~ .md-label,
.md-textarea:disabled ~ .md-label {
    color: var(--color-slate-400);
}

/* Textarea specific */
.md-textarea {
    min-height: 120px;
    resize: vertical;
    font-family: 'Consolas', 'Monaco', monospace;
}

/* Textarea label - same position as inputs */

/* Select specific */
.md-select {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.md-select ~ .md-label {
    top: 0;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: var(--color-slate-600);
}

.md-select:focus ~ .md-label {
    color: var(--color-indigo-600);
}

/* Number input */
.md-input[type="number"] {
    -moz-appearance: textfield;
}

.md-input[type="number"]::-webkit-outer-spin-button,
.md-input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* iOS-specific fixes */
/* Fix iOS blue text color on select elements and inputs */
.md-input,
.md-textarea,
.md-select,
select.form-input,
.form-input {
    color: var(--color-slate-900);
    -webkit-text-fill-color: var(--color-slate-900);
}

/* Fix datetime-local inputs for iOS */
.md-input[type="datetime-local"],
.md-input[type="date"],
.md-input[type="time"] {
    -webkit-appearance: none;
    appearance: none;
    min-height: 3.5rem;
    height: 3.5rem;
    line-height: 1.5;
    display: flex;
    align-items: center;
}

/* iOS datetime picker styling */
.md-input[type="datetime-local"]::-webkit-date-and-time-value,
.md-input[type="date"]::-webkit-date-and-time-value,
.md-input[type="time"]::-webkit-date-and-time-value {
    text-align: left;
    padding: 0;
    margin: 0;
}

/* Fix iOS datetime picker inner elements */
.md-input[type="datetime-local"]::-webkit-datetime-edit,
.md-input[type="date"]::-webkit-datetime-edit,
.md-input[type="time"]::-webkit-datetime-edit {
    padding: 0;
    margin: 0;
}

.md-input[type="datetime-local"]::-webkit-datetime-edit-fields-wrapper,
.md-input[type="date"]::-webkit-datetime-edit-fields-wrapper,
.md-input[type="time"]::-webkit-datetime-edit-fields-wrapper {
    padding: 0;
}

/* Ensure calendar icon is visible */
.md-input[type="datetime-local"]::-webkit-calendar-picker-indicator,
.md-input[type="date"]::-webkit-calendar-picker-indicator,
.md-input[type="time"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
    padding: 0;
    margin: 0;
}

/* Prevent iOS zoom on input focus */
@supports (-webkit-touch-callout: none) {
    .md-input,
    .md-textarea,
    .md-select,
    .form-input {
        font-size: 16px;
    }
    
    .md-input[type="datetime-local"],
    .md-input[type="date"],
    .md-input[type="time"] {
        font-size: 16px;
        padding-right: 0.5rem;
    }
}

.form-hint {
    margin-top: 0.375rem;
    font-size: 0.75rem;
    color: var(--color-slate-500);
    padding-left: 0.75rem;
}

/* Legacy form-input styles for backwards compatibility */
.form-input,
.form-textarea,
.form-input select {
    width: 100%;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-slate-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s;
    min-height: 2.5rem;
    box-sizing: border-box;
}

select.form-input {
    min-height: 2.5rem;
    height: 2.5rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-indigo-500);
    box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
}

.form-textarea {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.875rem;
    resize: vertical;
}

.form-input[type="number"] {
    padding: 0.625rem;
}

/* ===== Checkbox Custom ===== */
.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkbox-box {
    width: 1.25rem;
    height: 1.25rem;
    min-width: 1.25rem;
    border: 2px solid var(--color-slate-300);
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.checkbox-wrapper input:checked + .checkbox-box {
    background-color: var(--color-indigo-600);
    border-color: var(--color-indigo-600);
}

.checkbox-box svg {
    width: 0.75rem;
    height: 0.75rem;
    color: var(--color-white);
    display: none;
}

.checkbox-wrapper input:checked + .checkbox-box svg {
    display: block;
}

.checkbox-label {
    color: var(--color-slate-700);
    font-weight: 500;
    word-break: break-word;
}

.checkbox-wrapper.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== Radio Buttons ===== */
.radio-wrapper {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.radio-input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-indigo-600);
}

.radio-label {
    margin-left: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-slate-600);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.75rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-indigo-600);
    color: var(--color-white);
    box-shadow: var(--shadow-lg), var(--shadow-indigo);
}

.btn-primary:hover {
    background-color: var(--color-indigo-700);
    transform: translateY(-2px);
}

.btn-primary:disabled {
    background-color: var(--color-slate-300);
    color: var(--color-slate-500);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-secondary {
    background-color: var(--color-slate-100);
    color: var(--color-slate-700);
}

.btn-secondary:hover {
    background-color: var(--color-slate-200);
}

.btn-danger {
    background-color: var(--color-red-600);
    color: var(--color-white);
}

.btn-danger:hover {
    background-color: var(--color-red-700);
}

.btn-outline-danger {
    background-color: var(--color-white);
    color: var(--color-red-600);
    border: 1px solid var(--color-red-300);
    border-radius: 0.5rem;
}

.btn-outline-danger:hover {
    background-color: var(--color-red-50);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-xs {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    padding: 0.5rem;
    border-radius: 0.5rem;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--color-slate-400);
    transition: color 0.2s;
}

.btn-icon:hover {
    background-color: transparent;
    color: var(--color-slate-600);
}

/* History page action buttons - smaller and borderless */
.history-item .btn-icon {
    padding: 0.25rem;
}

.history-item .btn-icon .icon-sm {
    width: 1rem;
    height: 1rem;
}

.history-item .delete-btn:hover {
    color: var(--color-red-500);
}

.history-item .load-btn:hover {
    color: var(--color-indigo-500);
}

/* ===== Alerts ===== */
.alert {
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

.alert-error {
    background-color: var(--color-red-50);
    border: 1px solid var(--color-red-200);
    color: var(--color-red-700);
}

/* ===== Progress Bar ===== */
.progress-container {
    margin-bottom: 2rem;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-slate-500);
    margin-bottom: 0.5rem;
}

.progress-bar {
    width: 100%;
    height: 0.625rem;
    background-color: var(--color-slate-200);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--color-indigo-600);
    border-radius: 9999px;
    transition: width 0.3s ease-out;
}

.progress-percent {
    text-align: right;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-indigo-600);
    margin-top: 0.25rem;
}

/* ===== Status Panel ===== */
.status-panel {
    background-color: var(--color-slate-50);
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--color-slate-100);
    margin-bottom: 1.5rem;
}

.status-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-slate-600);
    margin-bottom: 0.25rem;
}

.status-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-slate-900);
}

.status-suffix {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-slate-500);
}

/* ===== QR Preview ===== */
.qr-preview-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.qr-preview-box {
    background-color: var(--color-slate-50);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--color-slate-200);
}

.qr-preview-image {
    width: 16rem;
    height: 16rem;
}

.qr-placeholder {
    text-align: center;
    color: var(--color-slate-400);
    padding: 3rem 0;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    color: var(--color-slate-400);
    padding: 3rem 0;
}

.empty-state-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 0.75rem;
    opacity: 0.3;
}

/* ===== Home Page Feature Cards ===== */
.hero {
    text-align: center;
    margin-bottom: 3rem;
}

.hero-icon-container {
    display: inline-flex;
    padding: 1rem;
    background: linear-gradient(135deg, var(--color-indigo-600), var(--color-indigo-400));
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 1rem;
}

.hero-icon {
    width: 4rem;
    height: 4rem;
    color: var(--color-white);
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-slate-900);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-slate-600);
    max-width: 42rem;
    margin: 0 auto;
}

.section-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-slate-600);
    max-width: 73rem;
    margin: 2.5rem auto;
    text-align: justify;
}

.section-link {
    color: var(--color-indigo-600);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.section-link:hover {
    color: var(--color-indigo-700);
    text-decoration: underline;
}

.feature-card {
    position: relative;
    background-color: var(--color-white);
    border-radius: 0.75rem;
    border: 1px solid var(--color-slate-200);
    padding: 1.25rem 1.5rem 1.5rem 1.5rem;
    margin-top: 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
}

.feature-card-content {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 1.25rem;
}

.feature-icon-box {
    position: absolute;
    top: 0;
    left: 1.5rem;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    min-width: 3rem;
    min-height: 3rem;
    max-width: 3rem;
    max-height: 3rem;
    padding: 0.625rem;
    box-sizing: border-box;
    background: linear-gradient(135deg, var(--color-indigo-600), var(--color-indigo-400));
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    color: var(--color-white);
    transition: transform 0.2s;
    flex-shrink: 0;
    align-self: flex-start;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card:hover .feature-icon-box {
    transform: translateY(-50%) scale(1.1);
}

.feature-icon-box svg {
    width: 1.625rem;
    height: 1.625rem;
}

.feature-title {
    position: absolute;
    top: 0;
    left: 5rem;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-slate-900);
    margin: 0;
    padding: 0 0.5rem;
    transition: color 0.2s;
    white-space: nowrap;
}

.feature-card:hover .feature-title {
    color: var(--color-indigo-600);
}

.feature-description {
    color: var(--color-slate-600);
    margin-bottom: 0.75rem;
}

.feature-list {
    list-style: none;
}

.feature-list-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-slate-600);
    margin-bottom: 0.375rem;
}

.feature-list-bullet {
    color: var(--color-indigo-500);
}

.feature-list-icon {
    width: 1rem;
    height: 1rem;
    min-width: 1rem;
    color: var(--color-indigo-500);
    margin-top: 0.125rem;
}

.feature-list-link {
    color: var(--color-indigo-600);
    text-decoration: none;
    transition: color 0.2s;
}

.feature-list-link:hover {
    color: var(--color-indigo-700);
    text-decoration: underline;
}

.sub-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: background-color 0.2s;
    text-decoration: none;
}

.sub-feature:hover {
    background-color: var(--color-indigo-50);
    text-decoration: none;
}

.sub-feature-icon {
    color: var(--color-indigo-600);
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.sub-feature-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.sub-feature-name {
    font-weight: 600;
    color: var(--color-slate-700);
}

.sub-feature-desc {
    color: var(--color-slate-600);
}

/* ===== How It Works ===== */
.how-it-works {
    background-color: var(--color-white);
    border-radius: 0.75rem;
    border: 1px solid var(--color-slate-200);
    padding: 1.5rem;
    margin-top: 3rem;
}

.how-it-works-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-slate-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.step {
    text-align: center;
}

.step-number,
.step-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--color-indigo-100);
    color: var(--color-indigo-600);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    font-weight: 700;
    font-size: 1.125rem;
}

.step-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.step-title {
    font-weight: 600;
    color: var(--color-slate-900);
    margin-bottom: 0.25rem;
}

.step-description {
    font-size: 0.875rem;
    color: var(--color-slate-600);
}

/* ===== History Page ===== */
.history-item {
    background-color: var(--color-slate-50);
    border: 1px solid var(--color-slate-200);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    padding: 9px 7px 7px 9px;
}

.history-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-indigo-300);
    transform: translateY(-2px);
    background-color: var(--color-white);
}

.history-item.selected {
    border-color: var(--color-indigo-500);
    box-shadow: var(--shadow-indigo);
    background-color: var(--color-indigo-50);
}


.history-icon-box {
    padding: 0.5rem;
    background-color: var(--color-indigo-50);
    border-radius: 0.5rem;
    color: var(--color-indigo-600);
    flex-shrink: 0;
    align-self: flex-start;
    margin-top: 0;
}

.history-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-slate-900);
    margin: 0;
}

.history-badge {
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--color-indigo-100);
    color: var(--color-indigo-600);
    border-radius: 9999px;
}

.history-tag {
    padding: 0.125rem 0.375rem;
    font-size: 0.75rem;
    background-color: var(--color-slate-100);
    border-radius: 0.25rem;
    color: var(--color-slate-500);
}

.history-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--color-slate-600);
}

@media (min-width: 480px) {
    .history-meta {
        flex-direction: row;
        align-items: center;
        gap: 0.75rem;
    }
}

.history-meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.history-meta-item svg {
    width: 0.875rem;
    height: 0.875rem;
}

.history-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 0.25rem;
}

/* ===== Modals ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    padding: 1rem;
}

.modal {
    background-color: var(--color-white);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-2xl);
    max-width: 28rem;
    width: 100%;
    padding: 1.5rem;
    position: relative;
}

.modal-wide {
    max-width: 60rem; /* 75% of 80rem (website max-width) */
}

.modal-sm {
    max-width: 24rem;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.modal-icon {
    padding: 0.75rem;
    border-radius: 0.5rem;
    flex-shrink: 0;
}

.modal-icon-indigo {
    background-color: var(--color-indigo-50);
    color: var(--color-indigo-600);
}

.modal-icon-red {
    background-color: var(--color-red-50);
    color: var(--color-red-600);
}

.modal-icon-warning {
    background-color: #fef3c7;
    color: #d97706;
}

.modal-icon-success {
    background-color: #dcfce7;
    color: #16a34a;
}

.modal-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-slate-900);
    margin-bottom: 0.5rem;
}

.modal-message {
    font-size: 0.875rem;
    color: var(--color-slate-600);
}

.modal-body {
    padding: 1.5rem;
    color: var(--color-slate-700);
}

/* Compact modal body - no extra padding */
.modal-sm .modal-body {
    padding: 0;
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem;
    color: var(--color-slate-400);
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.modal-close:hover {
    color: var(--color-slate-600);
    background-color: var(--color-slate-100);
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 0.5rem;
}

/* Compact modal actions - consistent spacing */
.modal-sm .modal-actions {
    margin-top: 0;
    padding-top: 0;
}

@media (min-width: 640px) {
    .modal-actions {
        flex-direction: row;
    }
}

/* ===== Utilities ===== */
.hidden { display: none !important; }
.block { display: block; }
.w-full { width: 100%; }
.h-64 { height: 16rem; }
.max-w-2xl { max-width: 42rem; }
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }
.overflow-hidden { overflow: hidden; }
.whitespace-nowrap { white-space: nowrap; }
.whitespace-pre-wrap { white-space: pre-wrap; }
.break-words { 
    word-break: break-word;
    overflow-wrap: break-word;
}
.cursor-pointer { cursor: pointer; }
.opacity-50 { opacity: 0.5; }

/* ===== Icons ===== */
.icon {
    width: 1.5rem;
    height: 1.5rem;
}

.icon-sm {
    width: 1.25rem;
    height: 1.25rem;
}

/* ===== Spinner ===== */
.spinner {
    width: 1.25rem;
    height: 1.25rem;
    animation: spin 1s linear infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== Export Options ===== */
.export-options {
    margin-bottom: 2rem;
}

.export-option {
    margin-bottom: 1rem;
}

.pdf-options {
    padding-left: 2rem;
    margin-left: 0.625rem;
    border-left: 2px solid var(--color-slate-100);
}

/* ===== Chip Button (Material Design 3 style) ===== */
.chip-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid;
    white-space: nowrap;
}

.chip-btn .icon {
    width: 0.875rem;
    height: 0.875rem;
    flex-shrink: 0;
}

.chip-btn-danger {
    color: var(--color-red-600);
    background-color: var(--color-red-50);
    border-color: var(--color-red-200);
}

.chip-btn-danger:hover {
    background-color: var(--color-red-100);
    border-color: var(--color-red-300);
}

/* Legacy class for backwards compatibility */
.clear-all-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-red-500);
    cursor: pointer;
    transition: color 0.2s;
}

.clear-all-link:hover {
    color: var(--color-red-600);
}

/* ===== Footer text ===== */
.footer-text {
    text-align: center;
    margin-top: 3rem;
    color: var(--color-slate-400);
    font-size: 0.875rem;
}

/* ===== Footer links ===== */
.app-footer {
    max-width: 80rem;
    margin: 1.5rem auto 0;
    padding: 1.5rem 1rem;
    border-top: 1px solid var(--color-slate-200);
    text-align: center;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.footer-link {
    font-size: 0.75rem;
    color: var(--color-slate-500);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--color-indigo-600);
}

.footer-separator {
    font-size: 0.75rem;
    color: var(--color-slate-400);
}

/* ===== Modal close button (in header) ===== */
.modal-header .modal-close {
    position: static;
    padding: 0.5rem;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-slate-500);
    border-radius: 0.375rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.modal-header .modal-close:hover {
    background: var(--color-slate-100);
    color: var(--color-slate-700);
}

.modal-header .modal-close svg {
    width: 20px;
    height: 20px;
}

/* ===== QR Scanner Styles ===== */
.scanner-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    margin-top: 1rem;
}

.scanner-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    background-color: var(--color-slate-900);
    border-radius: 0.75rem;
    overflow: hidden;
}

.scanner-wrapper.hidden {
    display: none;
}

.scanner-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scanner-canvas {
    display: none;
}

.scanner-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.scanner-frame {
    width: 70%;
    height: 70%;
    border: 3px solid var(--color-white);
    border-radius: 1rem;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.4);
    animation: scanner-pulse 2s ease-in-out infinite;
}

@keyframes scanner-pulse {
    0%, 100% { border-color: rgba(255, 255, 255, 0.8); }
    50% { border-color: var(--color-indigo-400); }
}

.scanner-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background-color: var(--color-slate-100);
    border-radius: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border: 2px dashed var(--color-slate-300);
}

.scanner-placeholder.hidden {
    display: none;
}

.scanner-placeholder-icon {
    width: 4rem;
    height: 4rem;
    color: var(--color-slate-400);
}

.scanner-placeholder-text {
    color: var(--color-slate-500);
    font-size: 0.875rem;
    text-align: center;
    padding: 0 1rem;
}

.scanner-error {
    width: 100%;
    aspect-ratio: 1;
    background-color: var(--color-red-50);
    border-radius: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border: 2px solid var(--color-red-200);
}

.scanner-error.hidden {
    display: none;
}

.scanner-error-icon {
    width: 4rem;
    height: 4rem;
    color: var(--color-red-400);
}

.scanner-error-text {
    color: var(--color-red-600);
    font-size: 0.875rem;
    text-align: center;
    padding: 0 1rem;
}

.scanner-controls {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.scanner-controls-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 480px) {
    .scanner-controls-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.scanner-controls-grid .btn {
    width: 100%;
    justify-content: center;
}

/* Hide start button when stop is visible, and vice versa */
.scanner-controls-grid #start-scan-btn.hidden,
.scanner-controls-grid #stop-scan-btn.hidden {
    display: none;
}

/* Continuous scan toggle button */
#continuous-scan-btn.active {
    background-color: var(--color-indigo-600);
    border-color: var(--color-indigo-600);
    color: var(--color-white);
}

#continuous-scan-btn.active:hover {
    background-color: var(--color-indigo-700);
    border-color: var(--color-indigo-700);
}

#continuous-scan-btn .icon-on {
    display: none;
}

#continuous-scan-btn .icon-off {
    display: block;
}

#continuous-scan-btn.active .icon-on {
    display: block;
}

#continuous-scan-btn.active .icon-off {
    display: none;
}

/* Scan Result Modal */
.scan-result-content {
    background-color: var(--color-slate-50);
    border: 1px solid var(--color-slate-200);
    border-radius: 0.5rem;
    padding: 1rem;
    word-break: break-all;
    font-family: ui-monospace, monospace;
    font-size: 0.875rem;
    color: var(--color-slate-700);
    max-height: 200px;
    overflow-y: auto;
}

.scan-result-link {
    color: var(--color-indigo-600);
    text-decoration: none;
}

.scan-result-link:hover {
    text-decoration: underline;
}

/* Scan history action button hover states */
.history-item .copy-scan-btn:hover {
    color: var(--color-indigo-500);
}

.history-item .delete-scan-btn:hover {
    color: var(--color-red-500);
}

/* Button success state */
.btn-success {
    background-color: var(--color-green-500) !important;
    border-color: var(--color-green-500) !important;
    color: var(--color-white) !important;
}

/* ===== Scroll to Top Button ===== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: var(--color-slate-700);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 100;
    box-shadow: var(--shadow);
}

.scroll-to-top:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}

.scroll-to-top svg {
    width: 1.25rem;
    height: 1.25rem;
}

.scroll-to-top.hidden {
    opacity: 0;
    pointer-events: none;
}

@media (max-width: 640px) {
    .scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
    }
    
    .scroll-to-top svg {
        width: 1rem;
        height: 1rem;
    }
}

/* ===== Live Mode Toggle ===== */
.live-mode-toggle-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    margin-bottom: 0.5rem;
}

.live-mode-toggle-wrapper .checkbox-label {
    font-weight: 500;
    color: var(--color-slate-700);
}

.live-mode-toggle-wrapper .live-mode-hint {
    font-size: 0.75rem;
    color: var(--color-slate-500);
    margin-left: auto;
}

/* ===== Live Preview Section ===== */
.live-preview-placeholder {
    width: 100%;
    padding: 3rem 1.5rem;
    background-color: var(--color-slate-100);
    border-radius: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border: 2px dashed var(--color-slate-300);
}

.live-preview-placeholder.hidden {
    display: none;
}

.live-preview-icon {
    width: 4rem;
    height: 4rem;
    color: var(--color-slate-400);
}

.live-preview-text {
    color: var(--color-slate-500);
    font-size: 0.875rem;
    text-align: center;
}

.live-preview-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--color-white);
    border-radius: 0.75rem;
    border: 1px solid var(--color-slate-200);
}

.live-preview-qr.hidden {
    display: none;
}

.live-qr-image {
    width: 200px;
    height: 200px;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

.live-qr-content {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--color-slate-600);
    text-align: center;
    word-break: break-all;
    max-width: 100%;
}

/* ===== FAQ Page ===== */
.faq-container {
    max-width: 100%;
    margin: 0 auto;
}

.faq-header {
    text-align: center;
    margin-bottom: 2rem;
}

.faq-header .page-header {
    justify-content: center;
    margin-bottom: 0.75rem;
}

.faq-subtitle {
    color: var(--color-slate-600);
    font-size: 1rem;
}

/* Material Design Search Bar */
.faq-search-container {
    max-width: 36rem;
    margin: 0 auto 2rem;
}

.faq-search-bar {
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--color-white);
    border-radius: 1.75rem;
    box-shadow: var(--shadow);
    padding: 0.25rem;
    transition: box-shadow 0.2s;
}

.faq-search-bar:focus-within {
    box-shadow: var(--shadow-lg);
}

.faq-search-icon {
    width: 1.25rem;
    height: 1.25rem;
    margin-left: 1rem;
    color: var(--color-slate-500);
    flex-shrink: 0;
}

.faq-search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-slate-900);
    outline: none;
}

.faq-search-input::placeholder {
    color: var(--color-slate-400);
}

.faq-search-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-slate-500);
    transition: background-color 0.2s, color 0.2s;
    margin-right: 0.25rem;
}

.faq-search-clear:hover {
    background-color: var(--color-slate-100);
    color: var(--color-slate-700);
}

.faq-search-clear svg {
    width: 1.25rem;
    height: 1.25rem;
}

.faq-search-clear.hidden {
    display: none;
}

.faq-search-hint,
.faq-search-results {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-slate-500);
    margin-top: 0.75rem;
}

.faq-search-results {
    color: var(--color-indigo-600);
    font-weight: 500;
}

/* FAQ Categories */
.faq-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .faq-content {
        grid-template-columns: 1fr 1fr;
    }
}

.faq-category {
    background-color: var(--color-white);
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    align-self: start;
}

.faq-category.hidden {
    display: none;
}

.faq-category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    background-color: var(--color-slate-50);
    border-bottom: 1px solid var(--color-slate-200);
}

.faq-category-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-indigo-600);
    flex-shrink: 0;
}

.faq-category-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-slate-900);
    margin: 0;
}

/* FAQ Items */
.faq-list {
    padding: 0;
}

.faq-item {
    border-bottom: 1px solid var(--color-slate-100);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem 1.5rem;
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.2s;
}

.faq-question:hover {
    background-color: var(--color-slate-50);
}

.faq-question-text {
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--color-slate-800);
    padding-right: 1rem;
    transition: font-weight 0.2s;
}

.faq-item.open .faq-question-text {
    font-weight: 600;
}

.faq-chevron {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-slate-400);
    flex-shrink: 0;
    transition: transform 0.2s;
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.open .faq-answer {
    max-height: 1000px;
    transition: max-height 0.5s ease-in;
}

.faq-answer-content {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-slate-600);
}

/* Search highlight */
.search-highlight {
    background-color: var(--color-indigo-100);
    color: var(--color-indigo-900);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
}

/* No Results State */
.faq-no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    background-color: var(--color-white);
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.faq-no-results.hidden {
    display: none;
}

.faq-no-results-icon {
    width: 4rem;
    height: 4rem;
    color: var(--color-slate-300);
    margin-bottom: 1rem;
}

.faq-no-results-text {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-slate-700);
    margin-bottom: 0.5rem;
}

.faq-no-results-hint {
    font-size: 0.875rem;
    color: var(--color-slate-500);
    margin-bottom: 1.5rem;
}

/* FAQ Responsive */
@media (max-width: 640px) {
    .faq-search-bar {
        border-radius: 1rem;
    }
    
    .faq-search-input {
        padding: 0.75rem;
    }
    
    .faq-category-header {
        padding: 1rem 1.25rem;
    }
    
    .faq-question {
        padding: 1rem 1.25rem;
    }
    
    .faq-question-text {
        font-size: 0.875rem;
    }
    
    .faq-answer-content {
        padding: 0 1.25rem 1rem;
        font-size: 0.875rem;
    }
}