:root {
  --color-white: #FFFFFF;
  --color-black: #000000;

  --color-primary: #22C55E;
  --color-primary-dark: #16A34A;
  --color-primary-light: #86EFAC;
  --color-primary-bright: #4ADE80;
  --color-primary-border: #15803D;

  --color-aqua: #06B6D4;
  --color-aqua-dark: #0E7490;
  --color-aqua-light: #67E8F9;

  --color-sky: #7DD3FC;
  --color-sky-light: #BAE6FD;

  --color-white-glass: rgba(255, 255, 255, 0.75);
  --color-surface: rgba(255, 255, 255, 0.85);
  --color-border-glass: rgba(255, 255, 255, 0.8);

  --color-text: #1E293B;
  --color-text-secondary: #64748B;

  --color-bg-start: #E0F2FE;
  --color-bg-mid: #DCFCE7;

  --color-error: #EF4444;
  --color-error-dark: #DC2626;
  --color-error-border: #B91C1C;

  --color-success: #22C55E;
  --color-success-text: #166534;

  --color-warning: #F59E0B;
  --color-warning-text: #92400E;
  --color-warning-border: #FDE68A;

  --color-brown-dark: #78350F;
  --color-danger-text: #991B1B;
  --color-danger-light: #FCA5A5;
  --color-danger-pale: #FECACA;
  --color-info-text: #1E40AF;
  --color-info-border: #93C5FD;

  --color-orange: #FB923C;
  --color-orange-deep: #EA580C;
  --color-orange-dark: #C2410C;
  --color-yellow: #FCD34D;

  --color-purple: #A78BFA;
  --color-purple-light: #C4B5FD;
  --color-purple-dark: #6D28D9;

  --color-gray-400: #9CA3AF;
  --color-star: #FBBF24;

  --color-white-a10: rgba(255,255,255,0.1);
  --color-white-a30: rgba(255,255,255,0.3);
  --color-white-a40: rgba(255,255,255,0.4);
  --color-white-a50: rgba(255,255,255,0.5);
  --color-white-a60: rgba(255,255,255,0.6);
  --color-white-a70: rgba(255,255,255,0.7);
  --color-white-a72: rgba(255,255,255,0.72);
  --color-white-a80: rgba(255,255,255,0.8);
  --color-white-a82: rgba(255,255,255,0.82);
  --color-white-a86: rgba(255,255,255,0.86);
  --color-white-a90: rgba(255,255,255,0.9);
  --color-white-a96: rgba(255,255,255,0.96);

  --color-black-a04: rgba(0,0,0,0.04);
  --color-black-a05: rgba(0,0,0,0.05);
  --color-black-a06: rgba(0,0,0,0.06);
  --color-black-a08: rgba(0,0,0,0.08);
  --color-black-a12: rgba(0,0,0,0.12);
  --color-black-a15: rgba(0,0,0,0.15);
  --color-black-a20: rgba(0,0,0,0.2);
  --color-black-a35: rgba(0,0,0,0.35);

  --color-slate-900-a08: rgba(15,23,42,0.08);
  --color-slate-900-a14: rgba(15,23,42,0.14);
  --color-slate-500-a10: rgba(100,116,139,0.1);
  --color-slate-500-a20: rgba(100,116,139,0.2);

  --color-primary-a05: rgba(34,197,94,0.05);
  --color-primary-a08: rgba(34,197,94,0.08);
  --color-primary-a10: rgba(34,197,94,0.1);
  --color-primary-a12: rgba(34,197,94,0.12);
  --color-primary-a15: rgba(34,197,94,0.15);
  --color-primary-a18: rgba(34,197,94,0.18);
  --color-primary-a20: rgba(34,197,94,0.2);
  --color-primary-a25: rgba(34,197,94,0.25);
  --color-primary-a30: rgba(34,197,94,0.3);
  --color-primary-a40: rgba(34,197,94,0.4);
  --color-primary-a45: rgba(34,197,94,0.45);
  --color-primary-a50: rgba(34,197,94,0.5);
  --color-primary-light-a12: rgba(134,239,172,0.12);

  --color-error-a10: rgba(239,68,68,0.1);
  --color-error-a12: rgba(239,68,68,0.12);
  --color-error-a20: rgba(239,68,68,0.2);
  --color-error-a24: rgba(239,68,68,0.24);
  --color-error-a30: rgba(239,68,68,0.3);
  --color-error-a40: rgba(239,68,68,0.4);

  --color-aqua-a15: rgba(6,182,212,0.15);
  --color-aqua-a30: rgba(6,182,212,0.3);
  --color-orange-a15: rgba(251,146,60,0.15);
  --color-orange-a30: rgba(251,146,60,0.3);
  --color-purple-a12: rgba(139,92,246,0.12);
  --color-purple-a20: rgba(139,92,246,0.2);
  --color-star-a15: rgba(251,191,36,0.15);
  --color-star-a20: rgba(251,191,36,0.2);
  --color-star-a30: rgba(251,191,36,0.3);
  --color-warning-a15: rgba(245,158,11,0.15);
  --color-warning-a25: rgba(245,158,11,0.25);
  --color-warning-a40: rgba(245,158,11,0.4);

  --color-success-bg-a90: rgba(220,252,231,0.9);
  --color-success-bg-a95: rgba(220,252,231,0.95);
  --color-info-bg-a90: rgba(224,242,254,0.9);
  --color-info-bg-a95: rgba(224,242,254,0.95);
  --color-danger-bg-a68: rgba(254,242,242,0.68);
  --color-danger-bg-a90: rgba(254,226,226,0.9);
  --color-danger-bg-a95: rgba(254,226,226,0.95);
  --color-warning-bg-a90: rgba(254,243,199,0.9);

  --gradient-bg: linear-gradient(135deg, var(--color-bg-start) 0%, var(--color-bg-mid) 50%, var(--color-bg-start) 100%);
  --gradient-brand: linear-gradient(135deg, var(--color-primary) 0%, var(--color-aqua) 60%, var(--color-sky) 100%);
  --gradient-progress-success: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  --gradient-progress-neutral: linear-gradient(90deg, var(--color-sky), var(--color-sky-light));
  --gradient-progress-danger: linear-gradient(90deg, var(--color-danger-light), var(--color-danger-pale));
  --gradient-bar-success-vertical: linear-gradient(180deg, var(--color-primary), var(--color-primary-light));
  --gradient-bar-neutral-vertical: linear-gradient(180deg, var(--color-sky), var(--color-sky-light));
  --gradient-nav-active: linear-gradient(135deg, var(--color-primary-a18), var(--color-primary-light-a12));
  --gradient-btn-primary: linear-gradient(180deg, var(--color-primary-bright) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
  --gradient-btn-danger: linear-gradient(180deg, var(--color-danger-light) 0%, var(--color-error) 50%, var(--color-error-dark) 100%);
  --gradient-btn-shine: linear-gradient(180deg, var(--color-white-a40) 0%, var(--color-white-a10) 100%);
  --gradient-stats-green: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  --gradient-stats-aqua: linear-gradient(90deg, var(--color-aqua), var(--color-aqua-light));
  --gradient-stats-orange: linear-gradient(90deg, var(--color-orange), var(--color-yellow));
  --gradient-stats-purple: linear-gradient(90deg, var(--color-purple), var(--color-purple-light));
  --gradient-coin-chip: linear-gradient(135deg, var(--color-star-a20), var(--color-warning-a15));
  --gradient-coin-chip-hover: linear-gradient(135deg, var(--color-star-a30), var(--color-warning-a25));

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-glass: 0 8px 32px var(--color-black-a08), inset 0 1px 0 var(--color-white-a90);
  --shadow-card: 0 4px 16px var(--color-black-a06);
  --sidebar-width: 240px;
  --topbar-height: 60px;
}

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

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--gradient-bg);
  background-attachment: fixed;
  min-height: 100vh;
}


a {
  color: var(--color-primary-dark);
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

input, textarea, select {
  font-family: inherit;
  outline: none;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-black-a04); border-radius: 3px; }
::-webkit-scrollbar-thumb { background: var(--color-primary-a30); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-a50); }

/* Glass panel utility */
.glass-panel {
  background: var(--color-white-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glass);
}

/* Primary glossy button */
.btn-primary {
  background: var(--gradient-btn-primary);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  padding: 10px 20px;
  font-weight: 600;
  font-size: 14px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: var(--gradient-btn-shine);
  border-radius: 8px 8px 0 0;
  pointer-events: none;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--color-primary-a40);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* Secondary button */
.btn-secondary {
  background: var(--color-white-a70);
  border: 1px solid var(--color-primary-a40);
  border-radius: var(--radius-sm);
  color: var(--color-primary-dark);
  padding: 10px 20px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  background: var(--color-primary-a10);
  border-color: var(--color-primary);
}

/* Danger button */
.btn-danger {
  background: var(--gradient-btn-danger);
  border: 1px solid var(--color-error-border);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  padding: 10px 20px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--color-error-a40);
}

/* Ghost button */
.btn-ghost {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  padding: 8px 14px;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-ghost:hover {
  background: var(--color-black-a05);
  color: var(--color-text);
}

/* Glass input */
.glass-input {
  background: var(--color-white-a60);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--color-text);
  width: 100%;
  transition: all 0.2s;
  backdrop-filter: blur(8px);
}
.glass-input:focus {
  background: var(--color-surface);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-a15);
}
.glass-input::placeholder {
  color: var(--color-text-secondary);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-green {  color: var(--color-primary-border); border: 1.3px solid var(--color-primary-a30); }
.badge-blue { background: var(--color-aqua-a15); color: var(--color-aqua-dark); border: 1px solid var(--color-aqua-a30); }
.badge-orange { background: var(--color-orange-a15); color: var(--color-orange-dark); border: 1px solid var(--color-orange-a30); }
.badge-gray { background: var(--color-slate-500-a10); color: var(--color-text-secondary); border: 1px solid var(--color-slate-500-a20); }
.badge-red { background: var(--color-error-a12); color: var(--color-error-border); border: 1px solid var(--color-error-a20); }
.badge-purple { background: var(--color-purple-a12); color: var(--color-purple-dark); border: 1px solid var(--color-purple-a20); }

/* Tag chip */
.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: var(--color-primary-a10);
  border: 1px solid var(--color-primary-a25);
  border-radius: 20px;
  font-size: 12px;
  color: var(--color-primary-dark);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.tag-chip:hover,
.tag-chip.active {
  background: var(--color-primary-a20);
  border-color: var(--color-primary);
}

/* Page layout helpers */
.page-content {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 20px;
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .page-content { padding: 16px; }
}

/* Flex helpers */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

/* Text helpers */
.text-sm { font-size: 12px; }
.text-secondary { color: var(--color-text-secondary); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

/* Stars rating */
.stars { color: var(--color-star); font-size: 14px; letter-spacing: 1px; }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.3s ease; }

@keyframes spin {
  to { transform: rotate(360deg); }
}
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--color-white-a30);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
.spinner-green {
  border-color: var(--color-primary-a20);
  border-top-color: var(--color-primary);
}


#app {
  min-height: 100vh;
}