:root {
  --bg: #020617;
  --bg-soft: #020617ee;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.2);
  --accent-strong: #0ea5e9;
  --text-main: #e5e7eb;
  --text-dim: #9ca3af;
  --danger: #f97373;
  --warn: #facc15;
  --ok: #4ade80;
  --border: #1f2937;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-soft: 0 24px 70px rgba(15, 23, 42, 0.95);
}

/* Reset basic */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #0b1120 0, #020617 50%, #020617 100%);
  color: var(--text-main);
}

/* Background grid */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(
      rgba(148, 163, 184, 0.05) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(148, 163, 184, 0.05) 1px,
      transparent 1px
    );
  background-size: 26px 26px;
  pointer-events: none;
  z-index: 0;
}

/* Center shell */
.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* Main panel */
.panel {
  width: 100%;
  max-width: 720px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, #020617 0%, #020617 50%, #020617 100%);
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  backdrop-filter: blur(20px);
}

/* Header bar */
.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
  background: linear-gradient(90deg, #020617 0%, #020617 40%, #020617 100%);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red {
  background: var(--danger);
}

.dot-yellow {
  background: var(--warn);
}

.dot-green {
  background: var(--ok);
}

.panel-title {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* Body */
.panel-body {
  padding: 28px 24px 30px;
}

.title {
  margin: 0 0 6px 0;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(56, 189, 248, 0.28);
  position: relative;
}

/* subtle "scanline" glow under text */
.title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 120px;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0,
    var(--accent-strong) 30%,
    transparent 100%
  );
  opacity: 0.8;
}

.subtitle {
  margin: 0 0 20px 0;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid rgba(74, 222, 128, 0.4);
  background: radial-gradient(circle at top, #16a34a33, #020617dd 70%);
  color: #bbf7d0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.status-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #4ade80;
  box-shadow: 0 0 12px rgba(74, 222, 128, 0.9);
}

/* Info grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.info-card {
  border-radius: 14px;
  padding: 10px 12px;
  border: 1px solid rgba(31, 41, 55, 0.9);
  background: radial-gradient(circle at top left, #0f172a 0, #020617 75%);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.6);
}

.label {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #64748b;
  margin-bottom: 4px;
}

.value {
  font-size: 0.9rem;
  color: var(--text-main);
}

/* Hint bar */
.hint {
  position: relative;
  border-radius: 14px;
  padding: 10px 12px 11px;
  border: 1px solid rgba(56, 189, 248, 0.5);
  background: linear-gradient(
      135deg,
      rgba(8, 47, 73, 0.9),
      rgba(12, 74, 110, 0.82)
    ),
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.32), transparent);
  color: #e0f2fe;
  font-size: 0.78rem;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.hint-label {
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(248, 250, 252, 0.3);
  background: rgba(15, 23, 42, 0.5);
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
}

.hint-text {
  flex: 1;
}

/* Responsive */
@media (max-width: 640px) {
  .panel-body {
    padding: 22px 16px 24px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .panel {
    border-radius: var(--radius-lg);
  }

  .shell {
    padding: 18px;
  }
}

/* Extra small mobile tweaks */
@media (max-width: 400px) {
  .title {
    letter-spacing: 0.05em;
  }

  .panel-header {
    padding-inline: 12px;
  }

  .hint {
    font-size: 0.72rem;
  }
}