@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  src: url('/static/fonts/Inter-Regular.ttf') format('truetype');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: bold;
  src: url('/static/fonts/Inter-Bold.ttf') format('truetype');
}

:root {
  --bg1: #080b12;
  --bg2: #0d0f1a;
  --card: rgba(15, 22, 37, 0.65);
  --card-border: rgba(32, 48, 73, 0.5);
  --muted: #8b9fb6;
  --text: #eaf2ff;
  --accent: #6cc0ff;
  --accent-glow: rgba(108, 192, 255, 0.3);
  --accent2: #7b61ff;
  --danger-bg: rgba(29, 12, 18, 0.6);
  --danger: #ff4757;
  --danger-glow: rgba(255, 71, 87, 0.4);
  --border: rgba(32, 48, 73, 0.5);
  --glass-bg: rgba(10, 16, 32, 0.75);
}

@keyframes bgShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes neonPulse {
  0% { text-shadow: 0 0 4px var(--danger), 0 0 10px var(--danger-glow); }
  100% { 
    text-shadow: 0 0 8px var(--danger), 0 0 16px var(--danger-glow); 
    text-decoration: underline; 
    text-decoration-color: var(--danger); 
    text-decoration-thickness: 2px;
  }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; color: var(--text);
  background: linear-gradient(135deg, var(--bg1), var(--bg2), #050812);
  background-size: 300% 300%;
  animation: bgShift 24s ease infinite;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--glass-bg);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.brand { 
  font-weight: 800; 
  font-size: 1.25rem;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, #ffffff, var(--muted));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tabs { display: flex; gap: 12px; }
.tab {
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  border: 1px solid transparent;
  padding: 8px 18px; 
  border-radius: 20px; 
  cursor: pointer;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}
.tab.active { 
  background: linear-gradient(135deg, var(--accent2), var(--accent)); 
  color: #fff; 
  font-weight: 600; 
  box-shadow: 0 4px 16px var(--accent-glow); 
  border: 1px solid rgba(255,255,255,0.1);
}

main { max-width: 1200px; margin: 32px auto; padding: 0 20px; min-height: 80vh; }
h1 { font-size: 2rem; font-weight: 800; margin: 0 0 8px; letter-spacing: -0.5px; }
h2 { font-size: 1.25rem; font-weight: 600; margin: 0 0 16px; color: var(--text); }
.hint { color: var(--muted); margin: 0 0 24px; font-size: 0.95rem; }
.hint strong { color: var(--text); font-weight: 600; }

.row { display: flex; gap: 12px; align-items: stretch; margin-bottom: 24px; }
.row input[type="text"] {
  flex: 1; padding: 14px 20px; border-radius: 12px; 
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.2); color: var(--text); 
  font-size: 1rem; outline: none;
  font-family: inherit;
  transition: all 0.25s ease;
}
.row input[type="text"]:focus { 
  background: rgba(0,0,0,0.4);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108,192,255,0.15); 
}
.row input[type="text"]::placeholder { color: #5a6b82; }

button {
  padding: 12px 24px; border-radius: 12px; border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; cursor: pointer; font-weight: 600; font-size: 1rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
button:hover { 
  transform: translateY(-2px); 
  box-shadow: 0 8px 20px var(--accent-glow); 
  filter: brightness(1.1);
}
button:active { transform: translateY(0); }
button.danger { 
  background: rgba(255,59,59,0.1); 
  border: 1px solid rgba(255,59,59,0.3); 
  color: var(--danger); 
  box-shadow: none;
  padding: 8px 16px;
  font-size: 0.9rem;
}
button.danger:hover {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
  box-shadow: 0 4px 16px var(--danger-glow);
}

.card {
  background: var(--card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.summary {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 16px;
  color: var(--text);
  text-align: center;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.result-card {
  background: rgba(15, 22, 37, 0.4);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.result-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.03);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  border-color: rgba(255,255,255,0.1);
}

.result-card.bad {
  border-color: rgba(255,59,59,0.4);
  background: linear-gradient(180deg, rgba(255,59,59,0.05), transparent);
}

.result-card .rc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 12px;
}

.result-card .rc-label {
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}

.result-card .rc-status {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.result-card .rc-status.ok {
  background: rgba(46, 213, 115, 0.15);
  color: #2ed573;
}

.result-card .rc-status.fail, .result-card .rc-status.bad {
  background: rgba(255, 71, 87, 0.15);
  color: var(--danger);
  animation: neonPulse 1.5s ease-in-out infinite alternate;
}

.result-card .rc-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
}

.result-card .rc-row {
  display: flex;
  flex-direction: column;
}

.result-card .rc-row span {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.result-card .rc-val {
  color: var(--text);
  word-break: break-all;
  font-family: inherit;
}

.result-card .rc-val.hash {
  font-size: 0.8rem;
  font-family: monospace;
  color: var(--accent);
}

.neon-red { 
  color: var(--danger) !important; 
  font-weight: 600;
  animation: neonPulse 1.5s ease-in-out infinite alternate; 
}
.blink { animation: blink 1.2s ease-in-out infinite; }

td.ok { color: #2ed573; font-weight: 500; }
td.fail { color: var(--danger); font-weight: 500; }

footer { 
  text-align: center; 
  color: var(--muted); 
  padding: 32px 0 48px; 
  font-size: 0.9rem;
  opacity: 0.7;
}

.tab-panel { display: none; animation: fadeIn 0.4s ease; }
.tab-panel.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.settings-grid.single { display: grid; grid-template-columns: 1fr; gap: 24px; }
.hidden { display: none; }
.add-row input[type="text"] { flex: 1; }