* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}

:root {
  --bg-start: #0e1326;
  --bg-mid: #1b2341;
  --bg-end: #11172f;
  --content-start: #121a33;
  --content-mid: #1a2345;
  --content-end: #121a33;
  --panel-bg: rgba(20, 28, 56, 0.65);
  --panel-border: rgba(254, 160, 48, 0.25);
  --card-bg: rgba(23, 32, 64, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-primary: #eef2ff;
  --text-muted: rgba(224, 231, 255, 0.7);
  --accent: #FEA030;
  --accent-2: #007A7B;
  --glow: rgba(254, 160, 48, 0.25);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-start: #fff4e4;
    --bg-mid: #ffe6c7;
    --bg-end: #eef9f8;
    --content-start: #fff6e9;
    --content-mid: #ffe4c3;
    --content-end: #eef9f8;
    --panel-bg: rgba(255, 255, 255, 0.85);
    --panel-border: rgba(0, 122, 123, 0.2);
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-border: rgba(0, 0, 0, 0.06);
    --text-primary: #0f1629;
    --text-muted: rgba(15, 22, 41, 0.65);
    --shadow: 0 12px 30px rgba(15, 22, 41, 0.08);
  }
}

body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(254, 160, 48, 0.25), transparent 60%),
              radial-gradient(1000px 600px at 100% 0%, rgba(0, 122, 123, 0.25), transparent 55%),
              linear-gradient(135deg, var(--content-start) 0%, var(--content-mid) 50%, var(--content-end) 100%),
              radial-gradient(1800px 900px at 50% 120%, rgba(255, 255, 255, 0.04), transparent 70%);
  min-height: 100vh;
  color: var(--text-primary);
}

html, body {
  background-color: #0b0f18;
  min-height: 100%;
}

#app {
  min-height: 100svh;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(254, 160, 48, 0.05);
}

::-webkit-scrollbar-thumb {
  background: rgba(254, 160, 48, 0.25);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(254, 160, 48, 0.4);
}

/* Buttons */
button {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

button:hover:not(:disabled) {
  transform: translateY(-2px);
}

button:active:not(:disabled) {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Input fields */
input, select, textarea {
  font-family: inherit;
  transition: all 0.2s ease;
}

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

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: 0.2s ease;
}

a:hover {
  filter: brightness(1.1);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

table thead {
  background: linear-gradient(90deg, rgba(254, 160, 48, 0.12), rgba(0, 122, 123, 0.12));
  border-bottom: 1px solid rgba(254, 160, 48, 0.3);
}

table th {
  padding: 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 13px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

table td {
  padding: 14px;
  text-align: left;
  border-bottom: 1px solid rgba(254, 160, 48, 0.1);
  color: var(--text-muted);
}

table tbody tr:hover {
  background: rgba(254, 160, 48, 0.08);
  transition: 0.2s ease;
}

/* Cards */
.card {
  background: var(--card-bg);
  padding: 16px;
  border-radius: 14px;
  box-shadow: var(--shadow);
  border: 1px solid var(--card-border);
  transition: 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}

/* Utility classes */
.text-primary {
  color: var(--text-primary);
}

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

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

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

/* Animations */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.slide-in {
  animation: slideIn 0.3s ease;
}

.fade-in {
  animation: fadeIn 0.3s ease;
}

@media (max-width: 720px) {
  #header {
    padding: 10px 14px !important;
    row-gap: 8px !important;
  }
  #header > div {
    width: 100% !important;
  }
  #header > div:last-child {
    justify-content: flex-end !important;
    gap: 10px !important;
  }
  #header-logo {
    width: 34px !important;
    height: 34px !important;
  }
  #header button {
    width: 36px !important;
    height: 36px !important;
  }
  #main-content {
    padding: 14px !important;
  }
  #main-content * {
    max-width: 100%;
    box-sizing: border-box;
  }
  #main-content table {
    display: block;
    overflow-x: auto;
  }
  #main-content input,
  #main-content select,
  #main-content textarea,
  #main-content button {
    max-width: 100%;
  }

  #home-widgets {
    column-count: 1 !important;
    column-gap: 0 !important;
  }
  #home-widgets > div {
    break-inside: avoid;
  }
  #main-content [style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
  #main-content [style*="column-count"] {
    column-count: 1 !important;
  }
}