/* Google Fonts - Inter and JetBrains Mono */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* Tailwind CSS v4 */
@import "tailwindcss";

/* Theme configuration */
@theme {
  /* Custom colors - Mining dark theme */
  --color-surface-50: #252542;
  --color-surface-100: #1a1a2e;
  --color-surface-200: #16162a;
  --color-surface-300: #12122a;
  --color-surface-400: #0f0f1a;
  --color-surface-500: #0a0a14;

  --color-accent-50: #e0f7ff;
  --color-accent-100: #b3ecff;
  --color-accent-200: #80e0ff;
  --color-accent-300: #4dd4ff;
  --color-accent-400: #1ac8ff;
  --color-accent-500: #00d4ff;
  --color-accent-600: #00a8cc;
  --color-accent-700: #007a99;
  --color-accent-800: #004d66;
  --color-accent-900: #002033;

  --color-success-50: #ecfdf5;
  --color-success-500: #10b981;
  --color-success-600: #059669;

  --color-warning-50: #fffbeb;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;

  --color-danger-50: #fef2f2;
  --color-danger-500: #ef4444;
  --color-danger-600: #dc2626;

  /* Fonts */
  --font-family-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Custom font sizes */
  --font-size-dense: 13px;
  --font-size-stat: 20px;

  /* Custom spacing */
  --spacing-tray-w: 400px;
  --spacing-tray-h: 560px;
  --spacing-sidebar: 56px;
  --spacing-sidebar-expanded: 200px;
}

/* Base styles */
@layer base {
  :root {
    --mining-hashrate: var(--color-accent-500);
    --mining-success: var(--color-success-500);
    --mining-warning: var(--color-warning-500);
    --mining-danger: var(--color-danger-500);
  }

  html {
    background-color: var(--color-surface-400);
    color: #f1f5f9;
    font-family: var(--font-family-sans);
  }

  body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  html, body {
    color-scheme: dark;
  }

  .tabular-nums {
    font-variant-numeric: tabular-nums;
  }

  .font-mono {
    font-family: var(--font-family-mono);
  }

  :focus-visible {
    outline: 2px solid var(--color-accent-500);
    outline-offset: 2px;
  }
}

/* Component styles */
@layer components {
  /* Card */
  .card {
    background-color: var(--color-surface-100);
    border-radius: 0.5rem;
    border: 1px solid rgb(37 37 66 / 0.2);
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  }

  .card-hover:hover {
    background-color: rgb(37 37 66 / 0.5);
    border-color: rgb(37 37 66 / 0.3);
    transition: all 0.15s ease;
  }

  /* Buttons */
  .btn {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.15s ease;
    cursor: pointer;
  }

  .btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-surface-400), 0 0 0 4px var(--color-accent-500);
  }

  .btn-primary {
    background-color: var(--color-accent-500);
    color: white;
  }

  .btn-primary:hover {
    background-color: var(--color-accent-600);
  }

  .btn-secondary {
    background-color: var(--color-surface-50);
    color: #e2e8f0;
    border: 1px solid rgb(37 37 66 / 0.3);
  }

  .btn-secondary:hover {
    background-color: var(--color-surface-100);
  }

  .btn-danger {
    background-color: var(--color-danger-500);
    color: white;
  }

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

  .btn-ghost {
    background-color: transparent;
    color: #cbd5e1;
  }

  .btn-ghost:hover {
    background-color: rgb(37 37 66 / 0.5);
    color: white;
  }

  .btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
  }

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

  /* Inputs */
  .input {
    background-color: var(--color-surface-300);
    border: 1px solid rgb(37 37 66 / 0.3);
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    color: #f1f5f9;
    transition: all 0.15s ease;
  }

  .input::placeholder {
    color: #64748b;
  }

  .input:focus {
    border-color: var(--color-accent-500);
    outline: none;
    box-shadow: 0 0 0 1px var(--color-accent-500);
  }

  .input-sm {
    padding: 0.375rem 0.5rem;
    font-size: 0.875rem;
  }

  /* Select */
  .select {
    background-color: var(--color-surface-300);
    border: 1px solid rgb(37 37 66 / 0.3);
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    color: #f1f5f9;
    cursor: pointer;
  }

  .select:focus {
    border-color: var(--color-accent-500);
    outline: none;
    box-shadow: 0 0 0 1px var(--color-accent-500);
  }

  /* Stats */
  .stat-value {
    font-size: var(--font-size-stat);
    font-family: var(--font-family-mono);
    font-variant-numeric: tabular-nums;
    color: white;
    font-weight: 600;
  }

  .stat-label {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  /* Badges */
  .badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
  }

  .badge-success {
    background-color: rgb(16 185 129 / 0.2);
    color: var(--color-success-500);
  }

  .badge-warning {
    background-color: rgb(245 158 11 / 0.2);
    color: var(--color-warning-500);
  }

  .badge-danger {
    background-color: rgb(239 68 68 / 0.2);
    color: var(--color-danger-500);
  }

  .badge-accent {
    background-color: rgb(0 212 255 / 0.2);
    color: var(--color-accent-500);
  }

  /* Nav items */
  .nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: 0.5rem;
    color: #94a3b8;
    cursor: pointer;
    transition: all 0.15s ease;
  }

  .nav-item:hover {
    color: white;
    background-color: rgb(37 37 66 / 0.5);
  }

  .nav-item-active {
    background-color: rgb(0 212 255 / 0.1);
    color: var(--color-accent-400);
    border-left: 2px solid var(--color-accent-500);
  }

  /* Dense table */
  .table-dense {
    font-size: var(--font-size-dense);
    font-family: var(--font-family-mono);
  }

  .table-dense th {
    font-size: 0.75rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid rgb(37 37 66 / 0.2);
  }

  .table-dense td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid rgb(37 37 66 / 0.1);
  }

  .table-dense tr:hover {
    background-color: rgb(37 37 66 / 0.3);
  }

  /* Custom scrollbar */
  .custom-scrollbar::-webkit-scrollbar {
    width: 0.5rem;
    height: 0.5rem;
  }

  .custom-scrollbar::-webkit-scrollbar-track {
    background-color: var(--color-surface-300);
    border-radius: 0.25rem;
  }

  .custom-scrollbar::-webkit-scrollbar-thumb {
    background-color: var(--color-surface-50);
    border-radius: 0.25rem;
  }

  .custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background-color: #475569;
  }

  /* System tray */
  .tray-container {
    width: var(--spacing-tray-w);
    height: var(--spacing-tray-h);
    background-color: var(--color-surface-200);
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .tray-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgb(37 37 66 / 0.2);
    flex-shrink: 0;
  }

  .tray-content {
    flex: 1;
    overflow-y: auto;
  }

  .tray-footer {
    padding: 0.5rem 1rem;
    border-top: 1px solid rgb(37 37 66 / 0.2);
    flex-shrink: 0;
  }

  /* Worker row */
  .worker-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid rgb(37 37 66 / 0.1);
    font-size: var(--font-size-dense);
  }

  .worker-row:hover {
    background-color: rgb(37 37 66 / 0.3);
  }

  /* Sparkline */
  .sparkline {
    width: 4rem;
    height: 1.25rem;
    flex-shrink: 0;
  }
}

/* Utilities */
@layer utilities {
  .text-accent-glow {
    text-shadow: 0 0 20px rgb(0 212 255 / 0.3);
  }

  .animate-fade-in {
    animation: fadeIn 0.2s ease-out forwards;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(-4px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .status-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 9999px;
  }

  .status-dot-online {
    background-color: var(--color-success-500);
    box-shadow: 0 0 8px var(--color-success-500);
  }

  .status-dot-offline {
    background-color: var(--color-danger-500);
  }

  .status-dot-warning {
    background-color: var(--color-warning-500);
  }

  .no-select {
    user-select: none;
    -webkit-user-select: none;
  }
}