*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f5f3;
  --card: #ffffff;
  --border: #e0e0de;
  --text: #111;
  --text-secondary: #555;
  --text-muted: #888;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --green: #22c55e;
  --red: #ef4444;
  --font: 'DM Sans', sans-serif;
  --mono: 'DM Mono', monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  padding: 1.75rem 3rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
}

.logo { font-size: 0.9rem; font-weight: 500; color: var(--text); }
.logo span { color: var(--text-muted); font-weight: 300; }
.badge { font-family: var(--mono); font-size: 0.7rem; color: var(--text-muted); letter-spacing: 0.04em; }

/* MAIN */
main { flex: 1; display: flex; flex-direction: column; }

/* HERO */
.hero {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 3.5rem 2rem 2.5rem;
  text-align: center;
}
.hero .domain {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.6rem;
}
.hero h1 strong { font-weight: 500; }
.hero .sub {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0.8rem auto 0;
  line-height: 1.6;
}
.hero .divider {
  width: 28px; height: 1px;
  background: #ccc;
  margin: 1rem auto;
}

/* TWO COLUMNS */
.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  flex: 1;
}

.col-left {
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: 2.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.col-left-inner { max-width: 440px; width: 100%; margin: 0 auto; }

.col-right {
  background: var(--bg);
  padding: 2.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.col-right-inner { max-width: 480px; width: 100%; margin: 0 auto; }

/* LABELS */
.label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.label.green { color: var(--green); }

h2 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

/* FORM */
.field { margin-bottom: 1.25rem; }
.field label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}
.field input {
  width: 100%;
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}
.field input:focus { border-color: var(--accent); }
.field .mono { font-family: var(--mono); text-align: center; letter-spacing: 0.12em; text-transform: uppercase; }
.field .token { font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.03em; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.7rem 1.25rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
}
.btn-blue { background: var(--accent); color: #fff; }
.btn-blue:hover { background: var(--accent-hover); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: #16a34a; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* MESSAGES */
.msg {
  padding: 0.65rem 0.9rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  line-height: 1.4;
}
.msg.ok { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.msg.err { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.msg.info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }

/* INFO BOX */
.infobox {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.7rem 0.9rem;
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  gap: 0.5rem;
  line-height: 1.5;
  align-items: flex-start;
}
.infobox i { color: var(--accent); margin-top: 2px; }

/* FEATURES */
.features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.features li i { color: var(--green); width: 14px; font-size: 0.75rem; }

/* STATUS */
.status {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.status-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--mono);
}
.status-item .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
.status-item .lbl { color: #bbb; text-transform: uppercase; letter-spacing: 0.04em; }
.status-item .val { color: var(--text-secondary); }

/* ADMIN LINK */
.admin-link { margin-top: 1.25rem; }
.admin-link a {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s;
}
.admin-link a:hover { color: var(--accent); }

/* TERMINAL OUTPUT */
.terminal-box {
  background: #0a0e27;
  border-radius: 8px;
  padding: 1rem;
  max-height: 320px;
  overflow-y: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.6;
}
.terminal-box::-webkit-scrollbar { width: 5px; }
.terminal-box::-webkit-scrollbar-track { background: #0a0e27; }
.terminal-box::-webkit-scrollbar-thumb { background: #27303f; border-radius: 3px; }
.term-line {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #a1a1aa;
  padding: 2px 0;
}
.term-line.s { color: var(--green); }
.term-line.e { color: var(--red); }
.term-line.w { color: #f59e0b; }
.term-line.i { color: #60a5fa; }
.term-line i { width: 12px; font-size: 0.65rem; }

/* FOOTER */
footer {
  padding: 1.5rem 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #aaa;
  font-weight: 300;
  background: var(--card);
}

@media (max-width: 900px) {
  .columns { grid-template-columns: 1fr; }
  .col-left { border-right: none; border-bottom: 1px solid var(--border); }
  header { padding: 1.25rem 1.5rem; }
  .hero { padding: 2.5rem 1.5rem 2rem; }
  .col-left, .col-right { padding: 2rem 1.5rem; }
}
@media (max-width: 560px) {
  header, footer { padding: 1rem 1.25rem; }
  footer { flex-direction: column; gap: 0.3rem; text-align: center; }
  .hero { padding: 2rem 1.25rem 1.5rem; }
  .col-left, .col-right { padding: 1.5rem 1.25rem; }
  .status { gap: 0.75rem; }
}