/* PHN shared site shell */
:root {
  --bg: #f4f8fb;
  --panel: #ffffff;
  --panel-2: #edf4f8;
  --line: #d5e4ec;
  --line-strong: #9ed4df;
  --text: #0c1e2d;
  --muted: #66798a;
  --cyan: #0097b8;
  --green: #00a67a;
  --amber: #b97800;
  --pink: #c94a8b;
  --red: #c93c4f;
  --shadow: 0 18px 48px rgba(24, 54, 78, 0.10);
  --radius: 8px;
  --font-display: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.phn-page {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 11% -8%, rgba(0, 151, 184, .14), transparent 30rem),
    radial-gradient(circle at 88% 2%, rgba(0, 166, 122, .10), transparent 28rem),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 46%, #ffffff 100%);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

body.phn-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .42;
  background-image:
    linear-gradient(rgba(12,30,45,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12,30,45,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 62%);
  z-index: -1;
}

a { color: inherit; }
.phn-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.phn-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(251, 253, 255, 0.88);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 34px rgba(20, 45, 70, 0.07);
}
.phn-nav {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.phn-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
}
.phn-brand img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  flex: 0 0 auto;
}
.phn-brand-stack {
  height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  line-height: 0.88;
  letter-spacing: 0;
  text-transform: none;
}
.phn-brand-stack span {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0;
}
.phn-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.72);
  padding: 4px;
}
.phn-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border-radius: 7px;
  padding: 0 11px;
}
.phn-links a:hover, .phn-links a.active { color: #fff; background: var(--text); }
.phn-actions { display: flex; align-items: center; gap: 10px; }
.phn-menu {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
}
.phn-btn, button.phn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 11px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.phn-btn:hover { transform: translateY(-1px); border-color: var(--line-strong); background: #fff; box-shadow: 0 14px 30px rgba(24,54,78,.10); }
.phn-btn.primary {
  background: #0c1e2d;
  border-color: transparent;
  color: #fff;
  box-shadow: 0 14px 32px rgba(12,30,45,.18);
}
.phn-btn.warn { color: #120a00; background: linear-gradient(135deg, #ffd56b, #f0a900); border-color: transparent; }
.phn-btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.phn-btn:disabled { opacity: 0.48; cursor: not-allowed; transform: none; }

.phn-hero {
  padding: clamp(44px, 7vw, 96px) 0 42px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}
.phn-kicker {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--cyan);
  border: 1px solid #c6edf3;
  background: #eef9fc;
  border-radius: 999px;
  padding: 6px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.phn-title {
  margin: 18px 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 6.2vw, 76px);
  line-height: 0.96;
  letter-spacing: 0;
}
.phn-lead {
  margin: 0 0 26px;
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
}
.phn-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.phn-visual {
  min-height: 440px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.phn-visual img { width: 100%; height: 100%; min-height: 440px; object-fit: cover; opacity: .82; }
.phn-visual .overlay {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.phn-chip {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.86);
  border-radius: 8px;
  padding: 12px;
}
.phn-chip small { display: block; color: var(--muted); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; }
.phn-chip strong { display: block; margin-top: 4px; font-size: 16px; }

.phn-section { padding: 42px 0; }
.phn-section-head { display: flex; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 22px; }
.phn-section h2, .phn-panel h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.04;
}
.phn-section p, .phn-panel p, .phn-card p, .phn-card li { color: var(--muted); }
.phn-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.phn-grid.two { grid-template-columns: repeat(2, 1fr); }
.phn-grid.four { grid-template-columns: repeat(4, 1fr); }
.phn-card, .phn-panel {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.94);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 28px);
  box-shadow: 0 14px 38px rgba(24,54,78,.08);
}
.phn-card.interactive { cursor: pointer; }
.phn-card.interactive:hover,
.phn-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  transition: .18s ease;
  box-shadow: 0 22px 48px rgba(24,54,78,.12);
}
.phn-card h3 { margin: 0 0 8px; font-family: var(--font-display); font-size: 20px; }
.phn-card code, .phn-code {
  font-family: var(--font-mono);
  color: var(--cyan);
  word-break: break-all;
}
code { overflow-wrap: anywhere; }
.phn-code-block {
  margin: 14px 0 0;
  padding: 16px;
  border-radius: 8px;
  border: 1px solid rgba(0,229,255,0.16);
  background: #f1f7fb;
  overflow: auto;
  color: #0b1f33;
  font-family: var(--font-mono);
  font-size: 12px;
}
.phn-stat { font-family: var(--font-display); font-size: 32px; font-weight: 800; color: var(--text); line-height: 1; }
.phn-label { color: var(--muted); font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.phn-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(0,229,255,0.20);
  background: rgba(0,229,255,0.08);
  color: var(--cyan);
  border-radius: 999px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
}
.phn-tag.green { color: var(--green); border-color: rgba(0,255,136,0.22); background: rgba(0,255,136,0.08); }
.phn-tag.amber { color: var(--amber); border-color: rgba(255,184,0,0.22); background: rgba(255,184,0,0.08); }
.phn-tag.pink { color: var(--pink); border-color: rgba(244,114,182,0.22); background: rgba(244,114,182,0.08); }
.phn-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 8px; }
.phn-table th, .phn-table td { padding: 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.phn-table th { color: var(--cyan); font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; }
.phn-table td { color: var(--muted); }
.phn-steps { counter-reset: step; display: grid; gap: 14px; }
.phn-step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.90);
  padding: 16px;
}
.phn-step::before {
  content: counter(step);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(0,229,255,0.12);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-weight: 800;
}
.phn-status {
  margin-top: 14px;
  display: none;
  border-radius: 8px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255,255,255,0.04);
}
.phn-status.show { display: block; }
.phn-status.ok { color: var(--green); border-color: rgba(0,255,136,0.24); background: rgba(0,255,136,0.08); }
.phn-status.warn { color: var(--amber); border-color: rgba(255,184,0,0.24); background: rgba(255,184,0,0.08); }
.phn-status.error { color: var(--red); border-color: rgba(255,90,110,0.24); background: rgba(255,90,110,0.08); }
.phn-input, .phn-select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 8px;
  padding: 11px 12px;
  font: inherit;
}
.phn-form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.phn-form-grid label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; }
.phn-footer {
  border-top: 1px solid var(--line);
  margin-top: 56px;
  padding: 30px 0 42px;
  color: var(--muted);
  font-size: 13px;
}
.phn-footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 20px; }
.phn-footer a { display: block; color: var(--muted); text-decoration: none; margin: 7px 0; }
.phn-footer a:hover { color: var(--cyan); }
.phn-mobile-drawer {
  display: none;
  position: fixed;
  inset: 74px 16px auto 16px;
  z-index: 60;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(18px);
  border-radius: 8px;
  padding: 14px;
  box-shadow: var(--shadow);
}
.phn-mobile-drawer.open { display: block; }
.phn-mobile-drawer a, .phn-mobile-drawer button { width: 100%; margin: 6px 0; justify-content: center; }
.phn-mobile-drawer a:not(.phn-btn) { display: block; color: var(--muted); text-decoration: none; padding: 10px; border-bottom: 1px solid var(--line); }

.phn-card,
.phn-panel,
.phn-btn,
.phn-input,
.phn-select,
.phn-topbar,
.phn-side-nav-panel {
  transform: none;
  letter-spacing: 0;
}

@media (max-width: 980px) {
  .phn-links, .phn-actions { display: none; }
  .phn-menu { display: grid; place-items: center; }
  .phn-hero { grid-template-columns: 1fr; }
  .phn-visual { min-height: 320px; }
  .phn-visual img { min-height: 320px; }
  .phn-grid, .phn-grid.two, .phn-grid.four { grid-template-columns: 1fr 1fr; }
  .phn-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .phn-shell, .phn-nav { width: min(100% - 24px, 1180px); }
  body.phn-page { overflow-x: hidden; }
  .phn-nav { min-height: 66px; }
  .phn-brand img { width: 38px; height: 38px; border-radius: 9px; }
  .phn-brand-stack { height: 38px; font-size: 11px; line-height: 0.9; }
  .phn-hero { padding-top: 38px; }
  .phn-hero-actions .phn-btn { width: 100%; }
  .phn-panel, .phn-card { min-width: 0; overflow: hidden; }
  .phn-visual .overlay { grid-template-columns: 1fr; position: static; padding: 14px; }
  .phn-grid, .phn-grid.two, .phn-grid.four, .phn-form-grid, .phn-footer-grid { grid-template-columns: 1fr; }
  .phn-section-head { display: block; }
  .phn-table { font-size: 13px; }
  .phn-table th, .phn-table td { padding: 10px; }
  .phn-table { display: block; overflow-x: auto; }
}