/* ============================================
   Modern Professional Catalogue Styles
   ============================================ */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #0073E6;
    --primary-dark: #2F3842;
    --primary-light: #009DEB;
    --secondary-color: #009DEB;
    --accent-color: #FF6B9D;

    --bg-primary: #ffffff;
    --bg-secondary: #F6F9FC;
    --bg-tertiary: #F2F7FD;
    --bg-dark: #2F3842;

    --text-primary: #100F0F;
    --text-secondary: #B1B5C3;
    --text-light: #adb5bd;
    --text-inverse: #ffffff;

    --border-color: #dee2e6;
    --border-light: #e9ecef;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.15);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.35s ease;

    --header-height: 70px;
    --sidebar-width: 420px;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html,
body {
    min-height: 100vh;
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Header Styles
   ============================================ */

.main-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

.header-content {
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    font-size: 2rem;
    line-height: 1;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    letter-spacing: -0.02em;
}

.header-right {
    display: flex;
    gap: 1rem;
}

.header-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-inverse);
    text-decoration: none;
    font-weight: 500;
    transition: background var(--transition-base);
}

.header-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ============================================
   Layout
   ============================================ */

#viewer {
    display: flex;
    flex-direction: row;
    min-height: calc(100vh - var(--header-height));
    max-width: 1800px;
    margin: 0 auto;
}

/* ============================================
   Sidebar / Catalog List
   ============================================ */

#catalog-list {
    flex: 0 0 var(--sidebar-width);
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    box-shadow: var(--shadow-sm);
    transition: flex-basis var(--transition-base);
}

#catalog-list.region-active {
    flex: 0 0 650px;
}

.sidebar-sticky {
    padding: 2rem 1.5rem;
}

.sidebar-intro {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-light);
}

.instruction-text {
    margin: 0 0 0.75rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.update-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0 0 0;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============================================
   Navigation Controls
   ============================================ */

.sidebar-nav {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.nav-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.nav-btn.primary {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.nav-btn.primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.nav-btn.secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-btn.secondary:hover {
    background: var(--border-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.nav-btn:active {
    transform: translateY(0);
}

/* ============================================
   Catalog Items / Cards
   ============================================ */

.catalog-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.catalog-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.item {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.item.selected {
    background: linear-gradient(135deg, #F2F7FD 0%, #F6F9FC 100%);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.item-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.item-type {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.item-description {
    font-size: 0.9rem;
    margin: 0.5rem 0 1rem 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Select All Button */
.item button.all {
    position: absolute;
    right: 1.25rem;
    top: 1.25rem;
    width: 2rem;
    height: 2rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.item button.all:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

/* ============================================
   Checkbox Container
   ============================================ */

.checkbox-container {
    display: grid;
    grid-template-columns: auto auto 1fr;
    grid-auto-rows: auto;
    grid-column-gap: 0.75rem;
    grid-row-gap: 0.75rem;
    max-height: 280px;
    overflow-y: auto;
    padding: 1rem;
    margin-top: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.checkbox-container::-webkit-scrollbar {
    width: 6px;
}

.checkbox-container::-webkit-scrollbar-track {
    background: transparent;
}

.checkbox-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.checkbox-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.checkbox-container[disabled] {
    background-color: #e9ecef;
    opacity: 0.7;
}

.checkbox-row {
    display: contents;
}

.checkbox-row:hover > * {
    color: var(--primary-color);
}

.checkbox-row:hover > input[type='checkbox'] {
    box-shadow: 0 0 0 3px rgba(0, 115, 230, 0.15);
}

.checkbox-row input[type='checkbox'] {
    grid-column-start: 1;
    width: 1.25rem;
    height: 1.25rem;
    align-self: center;
    cursor: pointer;
    accent-color: var(--primary-color);
    transition: all var(--transition-fast);
}

.checkbox-row a.more-info {
    cursor: help;
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 600;
    display: inline-flex;
    width: 1.2rem;
    height: 1.2rem;
    padding: 0;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    border: 2px solid var(--text-secondary);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.checkbox-row a.more-info:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-inverse);
    transform: scale(1.15);
}

.checkbox-row label {
    grid-column-start: 2;
    align-self: center;
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.checkbox-row label.code {
    grid-column-start: 3;
    text-align: right;
    align-self: center;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ============================================
   Filter Input for Checkbox Lists
   ============================================ */

.filter-wrapper {
    margin-top: 1rem;
    margin-bottom: 0.75rem;
}

.filter-input {
    width: 100%;
    padding: 0.625rem 0.875rem 0.625rem 2.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-base);
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="%23B1B5C3"><path d="M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z"/></svg>');
    background-repeat: no-repeat;
    background-position: 0.75rem center;
    background-size: 16px 16px;
}

.filter-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 115, 230, 0.1);
}

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

/* Sidebar Footer */
.sidebar-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-light);
}

.text-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-base);
}

.text-link:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Main Content Area
   ============================================ */

#details {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--bg-secondary);
    max-width: 100%;
}

.detail-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.detail-section.collapsible {
    padding: 0;
}

.detail-section.collapsible summary {
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: background var(--transition-base);
    border-radius: var(--radius-lg);
}

.detail-section.collapsible summary:hover {
    background: var(--bg-secondary);
}

.detail-section.collapsible[open] summary {
    border-bottom: 1px solid var(--border-light);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.detail-section.collapsible > *:not(summary) {
    padding: 0 2rem 2rem 2rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.section-title svg {
    color: var(--primary-color);
}

.section-description {
    margin: 0 0 1.25rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.section-description a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.section-description a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ============================================
   Code Blocks
   ============================================ */

.code-block {
    background: var(--bg-dark);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.code-block pre {
    margin: 0;
    padding: 1.5rem;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    scrollbar-width: thin;
    scrollbar-color: var(--text-secondary) transparent;
}

.code-block pre::-webkit-scrollbar {
    height: 8px;
}

.code-block pre::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.code-block pre::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 4px;
}

.code-block code {
    font-family: inherit;
    font-size: inherit;
}

#final_req,
#qube {
    margin: 0;
    padding: 1.5rem;
    background: var(--bg-dark);
    color: #e9ecef;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Syntax Highlighting Enhancements */
span.key {
    color: #4fc3f7;
    font-weight: 600;
}

span.value {
    color: #81c784;
}

span.key:hover,
span.value:hover {
    color: #ffeb3b;
    cursor: help;
}

span.punct {
    color: #e0e0e0;
    font-weight: 500;
}

/* ============================================
   Form Elements
   ============================================ */

input[type="text"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: inherit;
    transition: all var(--transition-base);
    background: var(--bg-primary);
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 115, 230, 0.1);
}

/* ============================================
   Utility Classes
   ============================================ */

.has-data {
    background-color: rgba(129, 199, 132, 0.2);
    border: 2px solid #81c784 !important;
}

.list-label {
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: block;
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Date Picker Styles */
.date-picker-input {
    width: 100%;
    margin-top: 1rem;
    border: none;
    background: transparent;
}

.date-picker-hint {
    margin: 0.75rem 0 1rem 0;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, #F2F7FD 0%, #F6F9FC 100%);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-base);
}

.date-picker-hint:empty {
    display: none;
}

div.air-datepicker {
    width: 100% !important;
    background: var(--bg-primary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    font-family: inherit;
}

div.air-datepicker .air-datepicker-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    padding: 0.75rem;
}

div.air-datepicker .air-datepicker-nav--title {
    color: var(--text-primary);
    font-weight: 600;
}

div.air-datepicker .air-datepicker-nav--action {
    color: var(--primary-color);
}

div.air-datepicker .air-datepicker-nav--action:hover {
    background: var(--primary-light);
}

div.air-datepicker .air-datepicker-body--day-name {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
}

div.air-datepicker .air-datepicker-cell {
    color: var(--text-primary);
    border-radius: var(--radius-sm);
}

div.air-datepicker .air-datepicker-cell.-disabled- {
    color: var(--text-light);
    opacity: 0.25;
    cursor: not-allowed;
    background: transparent;
    text-decoration: line-through;
}

div.air-datepicker .air-datepicker-cell:not(.-disabled-):hover {
    background: var(--primary-light);
    color: var(--text-inverse);
    cursor: pointer;
    transform: scale(1.05);
    transition: all var(--transition-fast);
}

div.air-datepicker .air-datepicker-cell.-selected- {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
    color: var(--text-inverse) !important;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0, 115, 230, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border: none !important;
}

div.air-datepicker .air-datepicker-cell.-in-range- {
    background: linear-gradient(135deg, rgba(0, 115, 230, 0.2) 0%, rgba(0, 115, 230, 0.15) 100%) !important;
    color: var(--primary-dark);
    font-weight: 600;
    border-top: 1px solid rgba(0, 115, 230, 0.3);
    border-bottom: 1px solid rgba(0, 115, 230, 0.3);
}

div.air-datepicker .air-datepicker-cell.-range-from-,
div.air-datepicker .air-datepicker-cell.-range-to- {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
    color: var(--text-inverse) !important;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0, 115, 230, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border: none !important;
}

/* Subtle indicator for dates with available data */
div.air-datepicker .air-datepicker-cell.has-data {
    font-weight: 600;
    position: relative;
    background: rgba(0, 115, 230, 0.06);
    border-bottom: 2px solid rgba(0, 115, 230, 0.4);
}

div.air-datepicker .air-datepicker-cell.has-data:not(.-disabled-) {
    color: var(--primary-dark);
}

/* When dates are selected, make them darker and more prominent */
div.air-datepicker .air-datepicker-cell.-selected-.has-data,
div.air-datepicker .air-datepicker-cell.-range-from-.has-data,
div.air-datepicker .air-datepicker-cell.-range-to-.has-data {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%) !important;
    color: var(--text-inverse) !important;
    border-bottom: 2px solid var(--primary-dark);
    font-weight: 700;
    box-shadow: 0 3px 10px rgba(47, 56, 66, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

div.air-datepicker .air-datepicker-cell.-in-range-.has-data {
    background: linear-gradient(135deg, rgba(0, 115, 230, 0.25) 0%, rgba(0, 115, 230, 0.2) 100%) !important;
    color: var(--primary-dark);
    border-bottom: 2px solid rgba(0, 115, 230, 0.5);
    font-weight: 600;
    border-top: 1px solid rgba(0, 115, 230, 0.4);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1200px) {
    :root {
        --sidebar-width: 360px;
    }

    .header-content {
        padding: 0 1.5rem;
    }

    .site-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 968px) {
    #viewer {
        flex-direction: column;
    }

    #catalog-list {
        flex: 0 0 auto;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        max-height: 60vh;
    }

    #details {
        width: 100%;
    }

    .header-content {
        padding: 0 1rem;
    }

    .site-title {
        font-size: 1.1rem;
    }

    .sidebar-nav {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    :root {
        --header-height: 60px;
    }

    .header-content {
        padding: 0 1rem;
    }

    .site-title {
        font-size: 1rem;
    }

    .logo-icon {
        font-size: 1.5rem;
    }

    .sidebar-sticky {
        padding: 1.5rem 1rem;
    }

    #details {
        padding: 1.5rem 1rem;
    }

    .detail-section {
        padding: 1.5rem;
    }

    .detail-section.collapsible summary {
        padding: 1rem 1.5rem;
    }

    .detail-section.collapsible > *:not(summary) {
        padding: 0 1.5rem 1.5rem 1.5rem;
    }

    .item {
        padding: 1.25rem;
    }

    .item button.all {
        right: 1rem;
        top: 1rem;
        width: 1.75rem;
        height: 1.75rem;
        font-size: 1rem;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .main-header,
    .sidebar-nav,
    .sidebar-footer,
    button {
        display: none;
    }

    #viewer {
        flex-direction: column;
    }

    #catalog-list,
    #details {
        width: 100%;
        border: none;
        box-shadow: none;
    }
}

/* ============================================
   Key Picker Panel
   ============================================ */

.key-picker-panel {
    margin-bottom: 1.25rem;
    padding: 1rem 1.25rem;
    background: var(--bg-tertiary);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.key-picker-header {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
}

.key-picker-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.key-picker-hint {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.key-picker-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.key-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.85rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.key-chip:hover {
    border-color: var(--primary-light);
    color: var(--primary-color);
    background: var(--bg-secondary);
    box-shadow: 0 2px 6px rgba(0, 115, 230, 0.12);
    transform: translateY(-1px);
}

.key-chip--active {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 115, 230, 0.3);
    font-weight: 600;
}

.key-chip--active:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--text-inverse);
}

/* ============================================
   Geographic Region Selection
   ============================================ */

.region-selection {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.region-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.region-description {
    margin: 0 0 1rem 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.region-controls {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.region-btn {
    flex: 1;
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.region-btn.primary {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.region-btn.primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.region-btn.secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.region-btn.secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

#map-container {
    margin-top: 1.5rem;
}

.map-instructions {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.map-instructions p {
    margin: 0;
    line-height: 1.5;
}

.map-instructions strong {
    color: var(--text-primary);
}

#map {
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

.selected-region {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.selected-region h4 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
}

.selected-region .code-block {
    margin-bottom: 1rem;
}

.selected-region pre {
    margin: 0;
    padding: 1rem;
    background: var(--bg-dark);
    color: #e9ecef;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    line-height: 1.6;
    overflow-x: auto;
}

/* ============================================
   Animations
   ============================================ */

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

.item {
    animation: fadeIn var(--transition-base) ease-out;
}

/* Loading State */
.item.loading {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    pointer-events: none;
    animation: pulse 1.5s ease-in-out infinite;
}

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

/* Focus Visible for Accessibility */
:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 3px solid var(--accent-color);
}

/* Canvas Elements */
canvas {
    width: 100%;
    height: 300px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
}

/* ============================================
   Copy Button for Code Blocks
   ============================================ */

.code-block-with-copy {
    position: relative;
}

.copy-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.copy-btn:hover {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.copy-btn.copied {
    background: #28a745;
    color: white;
    border-color: #28a745;
}

.copy-btn svg {
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .copy-btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }

    .copy-btn-text {
        display: none;
    }
}

/* ============================================
   Polytope Query Section
   ============================================ */

.polytope-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #F6F9FC 0%, #F2F7FD 100%);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.polytope-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.75rem 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.polytope-description {
    margin: 0 0 1.25rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.polytope-auth-form {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 115, 230, 0.1);
}

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

.form-hint {
    margin: 0.5rem 0 0 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.form-hint a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-hint a:hover {
    text-decoration: underline;
}

.polytope-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.polytope-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.polytope-btn:active {
    transform: translateY(0);
}

.polytope-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.polytope-status {
    margin-top: 1.25rem;
    padding: 1rem;
    background: var(--bg-primary);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.polytope-status.loading {
    border-left-color: var(--secondary-color);
}

.polytope-status.success {
    border-left-color: #28a745;
}

.polytope-status.error {
    border-left-color: var(--accent-color);
    color: #dc3545;
}

.polytope-results {
    margin-top: 1.25rem;
}

.polytope-result-item {
    padding: 1rem;
    margin-bottom: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
}

.polytope-result-item.success {
    border-left: 4px solid #28a745;
}

.polytope-result-item.error {
    border-left: 4px solid #dc3545;
}

.polytope-result-header {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.polytope-result-detail {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'Monaco', 'Courier New', monospace;
}
.download-json-btn {
    transition: all 0.2s ease;
}

.download-json-btn:hover {
    background: var(--secondary-color) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 115, 230, 0.3);
}

.download-json-btn:active {
    transform: translateY(0);
}