:root {
  --bg: #f5f2ea;
  --panel: rgba(255, 252, 246, 0.94);
  --panel-strong: #fffdf8;
  --text: #1f2937;
  --muted: #64748b;
  --border: rgba(15, 23, 42, 0.08);
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-soft: rgba(15, 118, 110, 0.1);
  --danger: #c63b3b;
  --danger-soft: rgba(198, 59, 59, 0.1);
  --warning: #b7791f;
  --warning-soft: rgba(183, 121, 31, 0.12);
  --success: #1f8a4c;
  --success-soft: rgba(31, 138, 76, 0.12);
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(234, 88, 12, 0.14), transparent 26%),
    linear-gradient(135deg, #faf8f2 0%, var(--bg) 100%);
}

a { color: inherit; text-decoration: none; }

.shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.topbar,
.hero,
.panel,
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.topbar,
.hero,
.panel {
  border-radius: 28px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
}

.brand {
  display: grid;
  gap: 4px;
}

.brand strong {
  font-size: 18px;
}

.brand span,
.muted {
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.auth-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-left: auto;
}

.auth-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav a {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.08);
  font-weight: 600;
}

.nav a.active {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  border-color: transparent;
  color: #fff;
}

.hero,
.panel {
  margin-top: 22px;
  padding: 28px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.04;
}

.hero p,
.panel-copy {
  max-width: 840px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid.two {
  grid-template-columns: 1.2fr 0.8fr;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
  margin-bottom: 18px;
}

.section-head h2,
.section-head h3 {
  margin: 0;
}

.card {
  border-radius: 22px;
  padding: 18px 20px;
  display: grid;
  gap: 14px;
}

.stack {
  display: grid;
  gap: 14px;
}

form.stack {
  gap: 16px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #fff;
  color: var(--text);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(15, 118, 110, 0.45);
  box-shadow: 0 0 0 5px rgba(15, 118, 110, 0.12);
}

.row {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.row.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 13px 22px;
  cursor: pointer;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
}

.button.secondary {
  color: var(--text);
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.12);
}

.button.warn {
  background: linear-gradient(135deg, #b45309 0%, #92400e 100%);
}

.status {
  min-height: 22px;
  color: var(--muted);
}

.status.error { color: var(--danger); }
.status.success { color: var(--success); }

.pill-row,
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  background: rgba(15, 23, 42, 0.06);
}

.pill.success { background: var(--success-soft); color: var(--success); }
.pill.warn { background: var(--warning-soft); color: var(--warning); }
.pill.error { background: var(--danger-soft); color: var(--danger); }
.pill.accent { background: var(--accent-soft); color: var(--accent-strong); }

.results,
.log-list {
  display: grid;
  gap: 14px;
}

.result-title {
  font-size: 19px;
  line-height: 1.35;
  margin: 0;
}

.footer {
  margin-top: 22px;
  padding: 20px 24px;
  color: var(--muted);
  text-align: center;
}

.shell-login {
  width: min(760px, calc(100% - 32px));
  min-height: 100vh;
  display: grid;
  align-content: center;
}

.hero-login,
.login-panel {
  margin-top: 0;
}

.code {
  margin: 0;
  padding: 16px 18px;
  border-radius: 18px;
  background: #1f2937;
  color: #e5e7eb;
  overflow-x: auto;
  white-space: pre-wrap;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
}

.empty {
  padding: 24px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed rgba(15, 23, 42, 0.16);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.55);
}

@media (max-width: 960px) {
  .grid.two,
  .row,
  .row.three {
    grid-template-columns: 1fr;
  }
}