@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap');

/* GST Light Theme */
:root {
  --background: #fcfcfc;
  --foreground: #1a202c;
  --card: #fcfcfc;
  --card-foreground: #1a202c;
  --popover: #ffffff;
  --popover-foreground: #1a202c;
  --primary: #2874a6;
  --primary-foreground: #ffffff;
  --secondary: #1a5276;
  --secondary-foreground: #ffffff;
  --muted: #f1f5f9;
  --muted-foreground: #64748b;
  --accent: #e2e8f0;
  --accent-foreground: #1e293b;
  --warning: #fef08a;
  --warning-foreground: #854d0e;
  --success: #bbf7d0;
  --success-foreground: #166534;
  --error: #fecaca;
  --error-foreground: #991b1b;
  --destructive: #dc2626;
  --destructive-foreground: #ffffff;
  --border: #e2e8f0;
  --input: #fcfcfc;
  --ring: #2874a6;
  --chart-1: #1a5276;
  --chart-2: #2e86c1;
  --chart-3: #e67e22;
  --chart-4: #1abc9c;
  --chart-5: #94a3b8;
  --sidebar: #ffffff;
  --sidebar-background: #fcfcfc;
  --sidebar-foreground: #334155;
  --sidebar-primary: #edf2f7;
  --sidebar-primary-foreground: #2874a6;
  --sidebar-accent: #2874a6;
  --sidebar-accent-foreground: #edf2f7;
  --sidebar-border: #e2e8f0;
  --sidebar-ring: #2874a6;
  --font-sans: 'Inter', ui-sans-serif, sans-serif, system-ui;
  --font-serif: 'Inter', ui-sans-serif, sans-serif, system-ui;
  --font-mono: 'Inter', ui-sans-serif, sans-serif, system-ui;
  --radius: 0.5rem;
  --shadow-x: 0px;
  --shadow-y: 4px;
  --shadow-blur: 10px;
  --shadow-spread: 0px;
  --shadow-opacity: 0.10;
  --shadow-color: #1a202c;
  --shadow-2xs: 0px 4px 10px 0px hsl(220 26% 14% / 0.04);
  --shadow-xs: 0px 4px 10px 0px hsl(220 26% 14% / 0.04);
  --shadow-focus: 0 0 0 3px #bee3f8;
  --shadow-focus-error: 0 0 0 3px #fca5a5;
  --shadow-sm: 0px 4px 10px 0px hsl(220 26% 14% / 0.08), 0px 1px 2px -1px hsl(220 26% 14% / 0.08);
  --shadow: 0px 4px 10px 0px hsl(220 26% 14% / 0.10), 0px 1px 2px -1px hsl(220 26% 14% / 0.10);
  --shadow-md: 0px 4px 10px 0px hsl(220 26% 14% / 0.10), 0px 2px 4px -1px hsl(220 26% 14% / 0.10);
  --shadow-lg: 0px 4px 10px 0px hsl(220 26% 14% / 0.10), 0px 4px 6px -1px hsl(220 26% 14% / 0.10);
  --shadow-xl: 0px 4px 10px 0px hsl(220 26% 14% / 0.10), 0px 8px 10px -1px hsl(220 26% 14% / 0.10);
  --shadow-2xl: 0px 4px 10px 0px hsl(220 26% 14% / 0.25);
  --tracking-normal: 0em;
  --spacing: 0.25rem;

  /* Unofficial colors */
  --unofficial-border-3: #cbd5e1;
  --unofficial-border-4: #94a3b8;
  --unofficial-outline: #ffffff;
  --unofficial-foreground-alt: #475569;

  /* Button colors */
  --button-primary-hover: #1a5276;
  --button-primary-disabled: #cbd5e1;
  --button-primary-disabled-foreground: #64748b;
  --button-secondary-hover: #f8fafc;
  --button-secondary-disabled: #f1f5f9;
  --button-secondary-disabled-foreground: #475569;
  --button-outline-background: #ffffff;
  --button-outline-border: #cbd5e1;
  --button-outline-hover: #f8fafc;

  /* Tabs colors */
  --tabs-background: #2874a6;
  --tabs-foreground: #ffffff;
  --tabs-disabled-background: #f1f5f9;
  --tabs-disabled-foreground: #475569;

  /* Base colors */
  --green-200: #bbf7d0;
  --green-800: #166534;
}

/* GST Dark Theme */
:root.dark {
  --background: #1a202c;
  --foreground: #f7fafc;
  --card: #2d3748;
  --card-foreground: #f7fafc;
  --popover: #2d3748;
  --popover-foreground: #f7fafc;
  --primary: #63b3ed;
  --primary-foreground: #1a202c;
  --secondary: #4299e1;
  --secondary-foreground: #1a202c;
  --muted: #4a5568;
  --muted-foreground: #cbd5e0;
  --accent: #4a5568;
  --accent-foreground: #f7fafc;
  --warning: #fef08a;
  --warning-foreground: #854d0e;
  --success: #bbf7d0;
  --success-foreground: #166534;
  --error: #fecaca;
  --error-foreground: #991b1b;
  --destructive: #feb2b2;
  --destructive-foreground: #9b2c2c;
  --border: #4a5568;
  --input: #1a202c;
  --ring: #63b3ed;
  --chart-1: #2b6cb0;
  --chart-2: #63b3ed;
  --chart-3: #f6ad55;
  --chart-4: #4fd1c5;
  --chart-5: #a0aec0;
  --sidebar: #2d3748;
  --sidebar-background: #2d3748;
  --sidebar-foreground: #e2e8f0;
  --sidebar-primary: #1a202c;
  --sidebar-primary-foreground: #63b3ed;
  --sidebar-accent: #63b3ed;
  --sidebar-accent-foreground: #1a202c;
  --sidebar-border: #4a5568;
  --sidebar-ring: #63b3ed;
  --font-sans: 'Inter', ui-sans-serif, sans-serif, system-ui;
  --font-serif: 'Inter', ui-sans-serif, sans-serif, system-ui;
  --font-mono: 'Inter', ui-sans-serif, sans-serif, system-ui;
  --radius: 0.5rem;
  --shadow-x: 0px;
  --shadow-y: 4px;
  --shadow-blur: 10px;
  --shadow-spread: 0px;
  --shadow-opacity: 0.12;
  --shadow-color: hsl(220 26% 14%);
  --shadow-2xs: 0px 4px 10px 0px hsl(220 26% 14% / 0.06);
  --shadow-xs: 0px 4px 10px 0px hsl(220 26% 14% / 0.06);
  --shadow-focus: 0 0 0 3px #2b6cb0;
  --shadow-focus-error: 0 0 0 3px #fc8181;
  --shadow-sm: 0px 4px 10px 0px hsl(220 26% 14% / 0.12), 0px 1px 2px -1px hsl(220 26% 14% / 0.12);
  --shadow: 0px 4px 10px 0px hsl(220 26% 14% / 0.12), 0px 1px 2px -1px hsl(220 26% 14% / 0.12);
  --shadow-md: 0px 4px 10px 0px hsl(220 26% 14% / 0.12), 0px 2px 4px -1px hsl(220 26% 14% / 0.12);
  --shadow-lg: 0px 4px 10px 0px hsl(220 26% 14% / 0.12), 0px 4px 6px -1px hsl(220 26% 14% / 0.12);
  --shadow-xl: 0px 4px 10px 0px hsl(220 26% 14% / 0.12), 0px 8px 10px -1px hsl(220 26% 14% / 0.12);
  --shadow-2xl: 0px 4px 10px 0px hsl(220 26% 14% / 0.3);

  /* Unofficial colors */
  --unofficial-border-3: #4a5568;
  --unofficial-border-4: #718096;
  --unofficial-outline: #2d3748;
  --unofficial-foreground-alt: #cbd5e0;

  /* Button colors */
  --button-primary-hover: #4299e1;
  --button-primary-disabled: #4a5568;
  --button-primary-disabled-foreground: #a0aec0;
  --button-secondary-hover: #2d3748;
  --button-secondary-disabled: #2d3748;
  --button-secondary-disabled-foreground: #718096;
  --button-outline-background: #1a202c;
  --button-outline-border: #4a5568;
  --button-outline-hover: #2d3748;

  /* Tabs colors */
  --tabs-background: #63b3ed;
  --tabs-foreground: #1a202c;
  --tabs-disabled-background: #2d3748;
  --tabs-disabled-foreground: #718096;

  /* Base colors */
  --green-200: #bbf7d0;
  --green-800: #166534;
}