:root {
  --bg: #060a11;
  --surface: #0f1726;
  --surface-2: #162238;
  --border: rgba(255, 255, 255, 0.12);
  --text: #f3f6ff;
  --muted: #a9b6d3;
  --accent: #38bdf8;
  --warm: #f59e0b;
  --ok: #22c55e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #1d2b49 0%, transparent 60%),
              radial-gradient(1000px 500px at 90% -20%, #40212f 0%, transparent 60%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
}

[hidden] {
  display: none !important;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(460px, 100%);
  border-radius: 24px;
  background: linear-gradient(170deg, rgba(10, 16, 31, 0.92), rgba(9, 20, 38, 0.84));
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.5);
  padding: 30px 24px;
}

.login-brand {
  margin-bottom: 20px;
}

.login-brand h1 {
  margin: 0;
  font-size: 1.7rem;
  letter-spacing: 0.14em;
}

.login-brand h2 {
  margin: 6px 0 0;
  color: #67e8f9;
  font-size: 0.92rem;
  letter-spacing: 0.2em;
  font-weight: 700;
}

.login-form {
  display: grid;
  gap: 10px;
}

.login-form label {
  color: #8fa2c7;
  font-size: 0.74rem;
  letter-spacing: 0.13em;
  font-weight: 700;
}

.login-form input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(7, 13, 24, 0.9);
  color: var(--text);
  padding: 12px 13px;
  font-size: 0.95rem;
  outline: none;
}

.login-form input:focus {
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.22);
}

.login-form button {
  margin-top: 8px;
  border: none;
  border-radius: 12px;
  padding: 12px;
  font-weight: 800;
  letter-spacing: 0.07em;
  background: linear-gradient(135deg, #0f4aa0, #0e7490);
  color: #fff;
  cursor: pointer;
}

.login-form button:hover {
  filter: brightness(1.05);
}

.login-message {
  min-height: 18px;
  margin: 0;
  color: #fda4af;
  font-size: 0.82rem;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(56, 189, 248, 0.08), rgba(245, 158, 11, 0.06));
  z-index: -1;
}

.hero {
  padding: 32px 20px 12px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: 0.03em;
}

.hero p {
  margin: 8px 0 0;
  color: var(--muted);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 18px;
}

.group {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

.group h2 {
  margin: 0 0 12px;
  font-size: 0.95rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
}

.card {
  background: linear-gradient(145deg, var(--surface), var(--surface-2));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 14px;
  transition: transform 180ms ease, border-color 180ms ease;
}

.card.card-button {
  width: 100%;
  text-align: left;
  color: inherit;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.5);
}

.card h3 {
  margin: 0;
  font-size: 0.95rem;
}

.card p {
  margin: 8px 0 0;
  font-size: 0.83rem;
  color: var(--muted);
}

.badge {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.72rem;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
  padding: 4px 8px;
  border-radius: 999px;
}

.history-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.primary {
  border: none;
  background: linear-gradient(135deg, #1d4ed8, #0891b2);
  color: white;
  border-radius: 10px;
  padding: 9px 14px;
  cursor: pointer;
}

.ghost {
  border: 1px solid rgba(56, 189, 248, 0.4);
  background: transparent;
  color: var(--text);
  border-radius: 10px;
  padding: 9px 14px;
  cursor: pointer;
}

.history-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 10px;
}

.metric-card {
  margin: 0;
  background: #0c1320;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 12px;
}

.metric-card h3 {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.metric-card p {
  margin: 6px 0 0;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--warm);
}

.history-table-wrap {
  margin-top: 12px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

th,
td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.84rem;
}

th {
  color: var(--muted);
  font-weight: 600;
}

#history-status {
  margin: 10px 0 2px;
  color: var(--muted);
  font-size: 0.82rem;
}

.module-form {
  display: grid;
  gap: 10px;
}

.module-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.module-field {
  display: grid;
  gap: 6px;
}

.module-field label {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.module-field input {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(7, 13, 24, 0.9);
  color: var(--text);
  padding: 10px 11px;
  outline: none;
}

.module-field input:focus {
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.module-actions {
  display: flex;
  gap: 8px;
}

.module-result {
  margin-top: 6px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(56, 189, 248, 0.24);
  background: rgba(56, 189, 248, 0.08);
  color: #bae6fd;
  min-height: 22px;
}

@media (max-width: 720px) {
  .hero h1 {
    font-size: 1.6rem;
  }

  .container {
    padding: 14px;
  }
}