:root {
  --bg-dark: #0b0e14;
  --bg-card: #171b26;
  --bg-elev: #1e2433;
  --text-main: #f5f8ff;
  --text-muted: #96a8c2;
  --border: rgba(255, 255, 255, 0.14);
  --primary: #00d9ff;
  --success: #13e8a3;
  --warning: #ffbf4d;
  --shadow: 0 16px 35px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --font-main: "Inter", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text-main);
  font-family: var(--font-main);
  background:
    radial-gradient(900px 420px at 10% -10%, rgba(0, 217, 255, 0.15), transparent 55%),
    radial-gradient(860px 420px at 95% 110%, rgba(19, 232, 163, 0.1), transparent 55%),
    var(--bg-dark);
}

body {
  padding: 18px;
  padding-left: max(18px, env(safe-area-inset-left));
  padding-right: max(18px, env(safe-area-inset-right));
  padding-bottom: max(18px, env(safe-area-inset-bottom));
}

.bg-shape {
  position: fixed;
  z-index: -1;
  width: 290px;
  height: 290px;
  border-radius: 999px;
  filter: blur(16px);
  pointer-events: none;
}

.bg-shape-1 {
  top: -90px;
  left: -90px;
  background: rgba(0, 217, 255, 0.2);
}

.bg-shape-2 {
  bottom: -90px;
  right: -90px;
  background: rgba(19, 232, 163, 0.16);
}

.guide-shell {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)) var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: clamp(1.35rem, 2.7vw, 2rem);
}

h2 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.subtitle {
  margin: 8px 0 0;
  color: var(--text-muted);
  max-width: 78ch;
}

.hero-actions {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 13px;
  text-decoration: none;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  font-weight: 700;
}

.btn-primary {
  color: #001018;
  background: linear-gradient(120deg, #00c6e8, #13e8a3);
}

.btn-ghost {
  border-color: var(--border);
}

.tips-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tips-grid ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
  display: grid;
  gap: 6px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
}

.filters {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(170px, 1fr));
  margin: 12px 0;
}

label {
  display: grid;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-dark);
  color: var(--text-main);
  padding: 10px 12px;
  min-height: 42px;
  font-family: var(--font-main);
}

.table-wrap {
  width: 100%;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 11px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
}

td p {
  margin: 0;
}

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

.action-stack {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.action-stack .btn {
  padding: 7px 10px;
  font-size: 0.78rem;
}

.template-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.template-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: var(--bg-elev);
  display: grid;
  gap: 8px;
}

.template-card h3 {
  margin: 0;
  font-size: 1rem;
}

.template-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 9px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  background: rgba(0, 217, 255, 0.12);
  color: var(--primary);
  border: 1px solid rgba(0, 217, 255, 0.2);
}

.template-block {
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.template-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--warning);
  text-transform: uppercase;
}

.template-text {
  margin: 0;
  white-space: pre-wrap;
  color: #d8e5f8;
}

.copy-toast {
  position: fixed;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  background: rgba(19, 232, 163, 0.95);
  color: #00150f;
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 700;
  font-size: 0.82rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.copy-toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .tips-grid,
  .template-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .filters {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    display: inline-flex;
  }
}

@media print {
  .bg-shape,
  .hero-actions,
  .action-stack,
  #phrase-reset,
  #copy-toast {
    display: none !important;
  }

  body {
    padding: 0;
    background: #fff;
    color: #000;
  }

  .card {
    box-shadow: none;
    border-color: #c7ccd5;
    background: #fff;
  }

  input,
  select {
    display: none;
  }
}