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

@import url('https://fonts.googleapis.com/css2?family=Courier+Prime:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --bg: #1a1a18;
  --bg2: #1f1f1d;
  --bg3: #252522;
  --accent: oklch(0.95 0.15 108);
  --accent-dim: oklch(0.95 0.15 108 / 0.12);
  --accent-border: oklch(0.95 0.15 108 / 0.35);
  --white: oklch(1 0 0 / 0.9);
  --muted: oklch(1 0 0 / 0.45);
  --border: oklch(1 0 0 / 0.08);
  --border-strong: oklch(1 0 0 / 0.14);
  --red: #f87171;
  --green: #4ade80;
  --font: "Courier Prime", monospace;
}

html, body {
  background: var(--bg);
  color: var(--muted);
  font-family: var(--font);
  min-height: 100vh;
}

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  border-bottom: 1px solid var(--border-strong);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 32px; height: 32px;
  border: 1.5px solid oklch(1 0 0 / 0.4);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px; padding: 5px;
}

.logo-icon span { background: oklch(1 0 0 / 0.4); }

.logo-text {
  font-size: 16px; font-weight: 700;
  color: var(--white); letter-spacing: 0.04em;
}

.logo-text em { color: var(--accent); font-style: normal; }

.nav-right {
  display: flex; align-items: center; gap: 12px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px;
  font-family: var(--font); font-size: 14px; font-weight: 700;
  letter-spacing: 0.04em; cursor: pointer;
  border: 1.5px solid var(--border-strong);
  background: transparent; color: var(--muted);
  text-decoration: none; transition: all 0.15s;
}

.btn:hover { color: var(--white); border-color: oklch(1 0 0 / 0.3); }

.btn-primary {
  background: var(--accent); border-color: var(--accent);
  color: #000;
}

.btn-primary:hover {
  background: oklch(1 0.18 108); border-color: oklch(1 0.18 108); color: #000;
}

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

.btn-danger:hover { background: oklch(0.71 0.19 22 / 0.1); }

.btn-full { width: 100%; justify-content: center; }

/* ── FORM ── */
.form-group { margin-bottom: 20px; }

label {
  display: block; font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 8px;
}

input[type="email"],
input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg3);
  border: 1.5px solid var(--border-strong);
  font-family: var(--font); font-size: 16px;
  color: var(--white);
  outline: none; transition: border-color 0.15s;
}

input:focus { border-color: var(--accent-border); }

/* ── CARD ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border-strong);
  padding: 40px;
}

/* ── ALERTS ── */
.alert {
  padding: 12px 16px; font-size: 13px;
  margin-bottom: 20px; display: none;
}

.alert.show { display: block; }
.alert-error { background: oklch(0.71 0.19 22 / 0.1); border: 1px solid var(--red); color: var(--red); }
.alert-success { background: oklch(0.74 0.2 142 / 0.1); border: 1px solid var(--green); color: var(--green); }

/* ── LICENSE KEY ── */
.license-key {
  font-size: 22px; font-weight: 700;
  color: var(--accent); letter-spacing: 0.15em;
  padding: 20px; background: var(--bg3);
  border: 1.5px solid var(--accent-border);
  text-align: center; cursor: pointer;
  transition: background 0.15s; user-select: all;
}

.license-key:hover { background: var(--accent-dim); }

/* ── BADGE ── */
.badge {
  display: inline-block; padding: 3px 10px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-active { background: oklch(0.74 0.2 142 / 0.15); color: var(--green); border: 1px solid oklch(0.74 0.2 142 / 0.3); }
.badge-expired { background: oklch(0.71 0.19 22 / 0.1); color: var(--red); border: 1px solid oklch(0.71 0.19 22 / 0.3); }
.badge-free { background: var(--bg3); color: var(--muted); border: 1px solid var(--border-strong); }

/* ── UTIL ── */
.text-accent { color: var(--accent); }
.text-muted { color: var(--muted); }
.text-white { color: var(--white); }
.text-red { color: var(--red); }
.text-green { color: var(--green); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.text-center { text-align: center; }
.text-sm { font-size: 13px; }
.divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.4s ease both; }