:root {
     /* Primitive Color Tokens */
     --color-white: rgba(255, 255, 255, 1);
     --color-black: rgba(0, 0, 0, 1);
     --color-cream-50: rgba(252, 252, 249, 1);
     --color-cream-100: rgba(255, 255, 253, 1);
     --color-gray-200: rgba(245, 245, 245, 1);
     --color-gray-300: rgba(167, 169, 169, 1);
     --color-gray-400: rgba(119, 124, 124, 1);
     --color-slate-500: rgba(98, 108, 113, 1);
     --color-brown-600: rgba(94, 82, 64, 1);
     --color-charcoal-700: rgba(31, 33, 33, 1);
     --color-charcoal-800: rgba(38, 40, 40, 1);
     --color-slate-900: rgba(19, 52, 59, 1);
     --color-teal-300: rgba(50, 184, 198, 1);
     --color-teal-400: rgba(45, 166, 178, 1);
     --color-teal-500: rgba(33, 128, 141, 1);
     --color-teal-600: rgba(29, 116, 128, 1);
     --color-teal-700: rgba(26, 104, 115, 1);
     --color-teal-800: rgba(41, 150, 161, 1);
     --color-red-400: rgba(255, 84, 89, 1);
     --color-red-500: rgba(192, 21, 47, 1);
     --color-orange-400: rgba(230, 129, 97, 1);
     --color-orange-500: rgba(168, 75, 47, 1);

     /* RGB versions for opacity control */
     --color-brown-600-rgb: 94, 82, 64;
     --color-teal-500-rgb: 33, 128, 141;
     --color-slate-900-rgb: 19, 52, 59;
     --color-slate-500-rgb: 98, 108, 113;
     --color-red-500-rgb: 192, 21, 47;
     --color-red-400-rgb: 255, 84, 89;
     --color-orange-500-rgb: 168, 75, 47;
     --color-orange-400-rgb: 230, 129, 97;

     /* Background color tokens (Light Mode) */
     --color-bg-1: rgba(59, 130, 246, 0.08);
     /* Light blue */
     --color-bg-2: rgba(245, 158, 11, 0.08);
     /* Light yellow */
     --color-bg-3: rgba(34, 197, 94, 0.08);
     /* Light green */
     --color-bg-4: rgba(239, 68, 68, 0.08);
     /* Light red */
     --color-bg-5: rgba(147, 51, 234, 0.08);
     /* Light purple */
     --color-bg-6: rgba(249, 115, 22, 0.08);
     /* Light orange */
     --color-bg-7: rgba(236, 72, 153, 0.08);
     /* Light pink */
     --color-bg-8: rgba(6, 182, 212, 0.08);
     /* Light cyan */

     /* Semantic Color Tokens (Light Mode) */
     --color-background: var(--color-cream-50);
     --color-surface: var(--color-cream-100);
     --color-text: var(--primary);
     --color-text-secondary: var(--text-primary);
     --color-primary: var(--primary);
     --color-primary-hover: var(--color-teal-600);
     --color-primary-active: var(--color-teal-700);
     --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
     --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
     --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
     --color-border: rgba(var(--color-brown-600-rgb), 0.2);
     --color-btn-primary-text: var(--color-cream-50);
     --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
     --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
     --color-error: var(--color-red-500);
     --color-success: var(--color-teal-500);
     --color-warning: var(--color-orange-500);
     --color-info: var(--color-slate-500);
     --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
     --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

     /* Typography */
     --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
         BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
     --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
         Monaco, Consolas, monospace;
     --font-size-xs: 11px;
     --font-size-sm: 12px;
     --font-size-base: 14px;
     --font-size-md: 14px;
     --font-size-lg: 16px;
     --font-size-xl: 18px;
     --font-size-2xl: 20px;
     --font-size-3xl: 24px;
     --font-size-4xl: 30px;
     --font-weight-normal: 400;
     --font-weight-medium: 500;
     --font-weight-semibold: 550;
     --font-weight-bold: 600;
     --line-height-tight: 1.2;
     --line-height-normal: 1.5;
     --letter-spacing-tight: -0.01em;

     /* Spacing */
     --space-0: 0;
     --space-1: 1px;
     --space-2: 2px;
     --space-4: 4px;
     --space-6: 6px;
     --space-8: 8px;
     --space-10: 10px;
     --space-12: 12px;
     --space-16: 16px;
     --space-20: 20px;
     --space-24: 24px;
     --space-32: 32px;

     /* Border Radius */
     --radius-sm: 6px;
     --radius-base: 8px;
     --radius-md: 10px;
     --radius-lg: 12px;
     --radius-full: 9999px;

     /* Shadows */
     --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
     --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
     --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
         0 2px 4px -1px rgba(0, 0, 0, 0.02);
     --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
         0 4px 6px -2px rgba(0, 0, 0, 0.02);
     --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
         inset 0 -1px 0 rgba(0, 0, 0, 0.03);

     /* Animation */
     --duration-fast: 150ms;
     --duration-normal: 250ms;
     --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

     /* Layout */
     --container-sm: 640px;
     --container-md: 768px;
     --container-lg: 1024px;
     --container-xl: 1280px;
 }

 @font-face {
     font-family: 'FKGroteskNeue';
     src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2') format('woff2');
 }

 body {
     margin: 0;
     padding: 0;
     font-family: var(--font-family-base);
     background-color: var(--color-background);
     color: var(--color-text);
     line-height: var(--line-height-normal);
 }

 .container {
     max-width: 1200px;
     margin: 0 auto;
     padding: var(--space-32);
 }

 .page-header {
     text-align: center;
     margin-bottom: var(--space-32);
 }

 .page-title {
     font-size: var(--font-size-4xl);
     font-weight: var(--font-weight-bold);
     color: var(--color-text);
     margin: 0 0 var(--space-16) 0;
 }

 .page-subtitle {
     font-size: var(--font-size-lg);
     color: var(--color-text-secondary);
     margin: 0;
 }

 .band-section {
     background: var(--background-primary);
     border: 1px solid var(--color-card-border);
     border-radius: var(--radius-lg);
     padding: var(--space-24);
     margin-bottom: var(--space-24);
     box-shadow: var(--shadow-sm);
 }

 .band-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
     margin-bottom: var(--space-20);
     padding-bottom: var(--space-16);
     border-bottom: 1px solid var(--color-card-border-inner);
     flex-direction: column;
     justify-content: flex-start;
     align-items: flex-start;
     gap: 10px;
     line-height: 1;
     /*  align-items: center; justify-content: center;  */
 }

 .band-info {
     display: flex;
     align-items: center;
     gap: var(--space-16);
     width: 100%;
 }

 .band-label {
     background: var(--color-primary);
     color: var(--color-btn-primary-text);
     padding: var(--space-6) var(--space-12);
     border-radius: var(--radius-base);
     font-weight: var(--font-weight-semibold);
     font-size: var(--font-size-lg);
 }

 .band-frequency {
     font-size: var(--font-size-md);
     color: var(--color-text-secondary);
     font-weight: var(--font-weight-medium);
 }

 div.band-notes {
     display: flex;
     flex-wrap: wrap;
     gap: 4px;
     align-items: center;
     line-height: 1;
 }

 .band-note {
     background: var(--background-secondary);
     color: var(--primary);
     padding: var(--space-4) var(--space-8);
     border-radius: var(--radius-sm);
     font-size: var(--font-size-sm);
     font-weight: var(--font-weight-medium);
     white-space: nowrap;
 }

 .band-note.danger {
     background: var(--color-error);
     color: var(--color-white);
 }

 .band-additional-info {
     margin-bottom: 2px;
 }

 .dss-status {
     background: white;
     color: black;
     padding: var(--space-1) var(--space-4);
     border-radius: var(--radius-sm);
     border: 1px solid black;
     font-size: var(--font-size-sm);
     font-weight: var(--font-weight-medium);
     bottom: 100px;
     position: relative;
     bottom: 1px;
 }

 .band-validity {
     display: none;
 }

 .operators-row {
     display: flex;
     gap: var(--space-12);
     margin-bottom: var(--space-16);
     flex-wrap: wrap;
 }

 .operator-badge {
     padding: var(--space-6) var(--space-12);
     border-radius: var(--radius-base);
     font-size: var(--font-size-sm);
     font-weight: var(--font-weight-medium);
     color: white;
 }

 .operator-china-mobile {
     background-color: #0085d0;
 }

 .operator-hong-kong-telecom {
     background-color: #003366;
     /* background: linear-gradient(120deg, #003366 30%, #dcb56f 36%,#dcb56f 63%, #f8a41a 69%); */
 }

 .operator-genius-brand-limited {
     background: linear-gradient(120deg, #003366 10%, white 150%);
 }

 /* .operator-genius-brand-limited > p{
     background: linear-gradient(120deg, white 70%, black 100%);
     background-clip: text;
     color: transparent
 } */

 .operator-hutchison {
     background-color: #e0e0e0;
     color: black !important;
 }

 .operator-smartone-mobile {
     background-color: #CC0000;
 }

 .operator-not-allocated {
     background-color: var(--background-secondary);
     color: white;
 }

 .spectrum-container {
     margin-top: var(--space-16);
 }

 .spectrum-label {
     font-size: var(--font-size-sm);
     color: var(--color-text-secondary);
     margin-bottom: var(--space-8);
     font-weight: var(--font-weight-medium);
 }

 .spectrum-bar {
     display: flex;
     height: 48px;
     border: 1px solid rgb(168, 168, 168);
     border-radius: var(--radius-base);
     overflow: hidden;
     box-shadow: var(--shadow-xs);
 }

 .spectrum-segment {
     display: flex;
     align-items: center;
     justify-content: center;
     color: white;
     font-size: var(--font-size-md);
     font-weight: var(--font-weight-semibold);
     position: relative;
     border-right: 1px solid rgba(255, 255, 255, 0.2);
     flex-direction: column;
     align-items: center;
     justify-content: center;
     line-height: 1;
 }

 .spectrum-segment:last-child {
     border-right: none;
 }

 .spectrum-segment.uplink {
     background: linear-gradient(135deg, #64b5f6 0%, #1976d2 100%);
 }

 .spectrum-segment.downlink {
     background: linear-gradient(135deg, #81c784 0%, #388e3c 100%);
 }

 .spectrum-segment.tdd {
     background: linear-gradient(135deg, #ffb74d 0%, #f57c00 100%);
 }

 .spectrum-segment.operator-china-mobile {
     background: #0085d0;
 }

 .spectrum-segment.operator-hong-kong-telecom {
     background: #003366;
 }

 .spectrum-segment.operator-hutchison {
     background: #e0e0e0;
     color: black !important;
 }

 .spectrum-segment.operator-smartone-mobile {
     background: #CC0000;
 }

 .spectrum-segment.operator-genius-brand-limited {
     background: linear-gradient(120deg, #003366 10%, white 150%);
 }

 .spectrum-segment.operator-not-allocated {
     background: var(--background-secondary);
     color: white;
 }

 .frequency-labels {
     display: flex;
     font-size: var(--font-size-sm);
     color: var(--color-text-secondary);
     margin-top: var(--space-8);
 }

 .frequency-labels>div {
     text-align: center;
 }

 .band-type {
     font-size: var(--font-size-sm);
     color: var(--color-text-secondary);
     margin-bottom: var(--space-12);
     font-style: italic;
 }

 @media (max-width: 768px) {
     .container {
         padding: var(--space-16);
     }

     .band-header {
         flex-direction: column;
         align-items: flex-start;
         gap: var(--space-8);
     }

     .operators-row {
         justify-content: center;
     }

     .spectrum-segment {
         font-size: var(--font-size-md);
         min-width: 30px;
     }
 }



 /* Custom */
 @media (max-width:455px) {
     .source-text {
         display: none;
     }
 }

 .source-text {
     margin-left: 5px;
 }