/**
 * DARA Color System - Multi-Theme Support
 * Golden Copy Keeper & Data Feed Software
 *
 * This is the master color palette for the entire application.
 * All colors are defined as CSS custom properties (variables) for easy theming.
 */

:root {
  /* ============================================
     PRIMARY BRAND COLORS - Blue Theme (Default)
     ============================================ */
  --color-primary: #0F172A;      /* Deep navy background */
  --color-secondary: #1E293B;    /* Card / section background */
  --color-accent-1: #38BDF8;     /* Main accent (sky blue) */
  --color-accent-2: #0284C7;     /* Darker accent for hover or active */
  --color-highlight: #0EA5E9;    /* Brighter highlight tone */

  /* ============================================
     TEXT COLORS
     ============================================ */
  --color-text-main: #F1F5F9;    /* Light text for dark bg */
  --color-text-muted: #94A3B8;   /* Muted labels, secondary text */
  --color-text-invert: #0F172A;  /* For use on bright buttons */

  /* ============================================
     SURFACE COLORS
     ============================================ */
  --color-bg-body: var(--color-primary);
  --color-bg-card: var(--color-secondary);
  --color-bg-hover: #334155;     /* Hover state for cards/buttons */
  --color-bg-input: #1E293B;     /* Input field backgrounds */
  --color-border: #334155;       /* Border color for cards, inputs */

  /* ============================================
     FEEDBACK COLORS
     ============================================ */
  --color-success: #22C55E;      /* Success state (green) */
  --color-warning: #F59E0B;      /* Warning state (orange) */
  --color-error: #EF4444;        /* Error state (red) */

  /* ============================================
     SHADOWS
     ============================================ */
  --shadow-soft: 0 2px 8px rgba(15, 23, 42, 0.3);
  --shadow-strong: 0 4px 20px rgba(15, 23, 42, 0.5);

  /* ============================================
     SPACING & LAYOUT (Global - works for all themes)
     ============================================ */
  --spacing-xs: 0.25rem;    /* 4px */
  --spacing-sm: 0.5rem;     /* 8px */
  --spacing-md: 1rem;       /* 16px */
  --spacing-lg: 1.5rem;     /* 24px */
  --spacing-xl: 2rem;       /* 32px */
  --spacing-2xl: 3rem;      /* 48px */

  --border-radius-sm: 0.25rem;   /* 4px */
  --border-radius-md: 0.5rem;    /* 8px */
  --border-radius-lg: 0.75rem;   /* 12px */

  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   GREEN THEME
   ============================================ */
body[data-theme="green"] {
  /* Primary brand colors */
  --color-primary: #0F766E;      /* Teal green */
  --color-secondary: #134E4A;    /* Deep forest background */
  --color-accent-1: #5EEAD4;     /* Bright aqua highlight */
  --color-accent-2: #2DD4BF;     /* Muted aqua hover */
  --color-highlight: #99F6E4;    /* Subtle light accent */

  /* Text colors */
  --color-text-main: #ECFDF5;    /* Main text */
  --color-text-muted: #A7F3D0;   /* Muted secondary text */
  --color-text-invert: #064E3B;  /* Dark for light buttons */

  /* Surface colors */
  --color-bg-body: var(--color-secondary);
  --color-bg-card: #115E59;      /* Card background */
  --color-bg-hover: #0D4D47;     /* Hover state */
  --color-bg-input: #134E4A;     /* Input backgrounds */
  --color-border: #10B981;       /* Border color */

  /* Feedback colors */
  --color-success: #34D399;
  --color-warning: #FBBF24;
  --color-error: #F87171;

  /* Shadows */
  --shadow-soft: 0 2px 8px rgba(6, 78, 59, 0.3);
  --shadow-strong: 0 4px 20px rgba(6, 78, 59, 0.5);
}

/* ============================================
   GOLD THEME
   ============================================ */
body[data-theme="gold"] {
  /* Primary brand colors */
  --color-primary: #78350F;      /* Deep brown */
  --color-secondary: #92400E;    /* Rich amber background */
  --color-accent-1: #FBBF24;     /* Bright gold highlight */
  --color-accent-2: #F59E0B;     /* Darker gold for hover */
  --color-highlight: #FCD34D;    /* Brighter yellow accent */

  /* Text colors */
  --color-text-main: #FEF3C7;    /* Light cream text */
  --color-text-muted: #FDE68A;   /* Muted gold text */
  --color-text-invert: #78350F;  /* Dark for light buttons */

  /* Surface colors */
  --color-bg-body: var(--color-primary);
  --color-bg-card: #A16207;      /* Card background */
  --color-bg-hover: #B45309;     /* Hover state */
  --color-bg-input: #92400E;     /* Input backgrounds */
  --color-border: #D97706;       /* Border color */

  /* Feedback colors */
  --color-success: #34D399;
  --color-warning: #FB923C;
  --color-error: #F87171;

  /* Shadows */
  --shadow-soft: 0 2px 8px rgba(120, 53, 15, 0.3);
  --shadow-strong: 0 4px 20px rgba(120, 53, 15, 0.5);
}

/* ============================================
   PURPLE THEME
   ============================================ */
body[data-theme="purple"] {
  /* Primary brand colors */
  --color-primary: #3B0764;      /* Deep purple */
  --color-secondary: #581C87;    /* Rich purple background */
  --color-accent-1: #A855F7;     /* Bright purple highlight */
  --color-accent-2: #9333EA;     /* Darker purple for hover */
  --color-highlight: #C084FC;    /* Brighter lavender accent */

  /* Text colors */
  --color-text-main: #F3E8FF;    /* Light lavender text */
  --color-text-muted: #DDD6FE;   /* Muted purple text */
  --color-text-invert: #3B0764;  /* Dark for light buttons */

  /* Surface colors */
  --color-bg-body: var(--color-primary);
  --color-bg-card: #6B21A8;      /* Card background */
  --color-bg-hover: #7C3AED;     /* Hover state */
  --color-bg-input: #581C87;     /* Input backgrounds */
  --color-border: #A855F7;       /* Border color */

  /* Feedback colors */
  --color-success: #34D399;
  --color-warning: #FBBF24;
  --color-error: #F87171;

  /* Shadows */
  --shadow-soft: 0 2px 8px rgba(59, 7, 100, 0.3);
  --shadow-strong: 0 4px 20px rgba(59, 7, 100, 0.5);
}

/* ============================================
   GREY THEME
   ============================================ */
body[data-theme="grey"] {
  /* Primary brand colors */
  --color-primary: #1F2937;      /* Dark grey */
  --color-secondary: #374151;    /* Medium grey background */
  --color-accent-1: #9CA3AF;     /* Light grey highlight */
  --color-accent-2: #6B7280;     /* Darker grey for hover */
  --color-highlight: #D1D5DB;    /* Brighter grey accent */

  /* Text colors */
  --color-text-main: #F9FAFB;    /* Very light grey text */
  --color-text-muted: #D1D5DB;   /* Muted grey text */
  --color-text-invert: #1F2937;  /* Dark for light buttons */

  /* Surface colors */
  --color-bg-body: var(--color-primary);
  --color-bg-card: #4B5563;      /* Card background */
  --color-bg-hover: #6B7280;     /* Hover state */
  --color-bg-input: #374151;     /* Input backgrounds */
  --color-border: #6B7280;       /* Border color */

  /* Feedback colors */
  --color-success: #34D399;
  --color-warning: #FBBF24;
  --color-error: #F87171;

  /* Shadows */
  --shadow-soft: 0 2px 8px rgba(31, 41, 55, 0.3);
  --shadow-strong: 0 4px 20px rgba(31, 41, 55, 0.5);
}

/* ============================================
   LIGHT THEME
   ============================================ */
body[data-theme="light"] {
  /* Primary brand colors */
  --color-primary: #FFFFFF;      /* Pure white */
  --color-secondary: #F3F4F6;    /* Light grey background */
  --color-accent-1: #3B82F6;     /* Bright blue highlight */
  --color-accent-2: #2563EB;     /* Darker blue for hover */
  --color-highlight: #60A5FA;    /* Brighter blue accent */

  /* Text colors */
  --color-text-main: #111827;    /* Dark grey text */
  --color-text-muted: #6B7280;   /* Muted grey text */
  --color-text-invert: #FFFFFF;  /* White for dark buttons */

  /* Surface colors */
  --color-bg-body: var(--color-primary);
  --color-bg-card: #FFFFFF;      /* Card background */
  --color-bg-hover: #F9FAFB;     /* Hover state */
  --color-bg-input: #F9FAFB;     /* Input backgrounds */
  --color-border: #E5E7EB;       /* Border color */

  /* Feedback colors */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  /* Shadows */
  --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-strong: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ============================================
   GLOBAL BASE STYLES
   ============================================ */

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

body {
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-main);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-main);
}

a {
  color: var(--color-accent-1);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-highlight);
  text-decoration: underline;
}

/* ============================================
   BUTTONS
   ============================================ */

button, .btn {
  background-color: var(--color-accent-1);
  color: var(--color-text-invert);
  border: none;
  border-radius: var(--border-radius-md);
  padding: 0.6rem 1.2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

button:hover, .btn:hover {
  background-color: var(--color-accent-2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

button:active, .btn:active {
  transform: translateY(0);
}

button:disabled, .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

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

.btn-secondary:hover {
  background-color: #475569;
}

.btn-success {
  background-color: var(--color-success);
}

.btn-warning {
  background-color: var(--color-warning);
}

.btn-error, .btn-danger {
  background-color: var(--color-error);
  color: var(--color-text-main);
}

.btn-icon {
  padding: 0.5rem;
  min-width: 2.5rem;
  min-height: 2.5rem;
  border-radius: var(--border-radius-md);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

input,
select,
textarea {
  background-color: var(--color-bg-input);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 0.7rem;
  font-size: 0.9375rem;
  font-family: inherit;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent-1);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

label {
  display: block;
  color: var(--color-text-main);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  font-size: 0.875rem;
}

/* ============================================
   CARDS & CONTAINERS
   ============================================ */

.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-strong);
  transform: translateY(-2px);
}

.card-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.card-footer {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* ============================================
   BADGES & STATUS INDICATORS
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
}

.badge-active {
  background-color: rgba(34, 197, 94, 0.2);
  color: var(--color-success);
}

.badge-inactive {
  background-color: rgba(148, 163, 184, 0.2);
  color: var(--color-text-muted);
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.2);
  color: var(--color-warning);
}

.badge-error {
  background-color: rgba(239, 68, 68, 0.2);
  color: var(--color-error);
}

.badge-info {
  background-color: rgba(56, 189, 248, 0.2);
  color: var(--color-accent-1);
}

/* ============================================
   UTILITIES
   ============================================ */

.text-muted {
  color: var(--color-text-muted);
}

.text-success {
  color: var(--color-success);
}

.text-warning {
  color: var(--color-warning);
}

.text-error {
  color: var(--color-error);
}

.bg-card {
  background-color: var(--color-bg-card);
}

.bg-hover {
  background-color: var(--color-bg-hover);
}

.border-color {
  border-color: var(--color-border);
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: var(--color-secondary);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  padding: var(--spacing-lg);
  text-align: center;
  font-size: 0.875rem;
}

footer a {
  color: var(--color-accent-1);
}

/* ============================================
   SCROLLBAR STYLING (WEBKIT)
   ============================================ */

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-body);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-hover);
  border-radius: 6px;
  border: 2px solid var(--color-bg-body);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border);
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Tablet and below */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
  }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.375rem; }
  h3 { font-size: 1.125rem; }

  .card {
    padding: var(--spacing-md);
  }
}

/* Mobile */
@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
}