/* ── JustCode EduTech — Certificate Verification Page ── */

:root {
  --gold: #F5B418;
  --gold-light: #FFD166;
  --dark: #0A0A0A;
  --dark-2: #111111;
  --dark-3: #181818;
  --dark-4: #222222;
  --text: #E8E8E8;
  --text-dim: #888;
  --text-muted: #555;
  --green: #22c55e;
  --red: #ef4444;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--dark);
  color: var(--text);
  min-height: 100vh;
}

/* ── TOPBAR ── */
.topbar {
  height: 58px;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #222;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px;
}
.topbar-logo { display: flex; align-items: center; text-decoration: none; gap: 10px; }
.logo-icon {
  width: 32px; height: 32px; background: var(--gold); border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 14px; color: #000;
}
.logo-text { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 15px; color: var(--text); }
.logo-text span { color: var(--gold); }
.topbar-link { font-size: 13px; color: var(--text-dim); text-decoration: none; transition: color 0.2s; }
.topbar-link:hover { color: var(--gold); }

/* ── PAGE WRAPPER ── */
.verify-page {
  max-width: 680px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

/* ── HEADER ── */
.verify-header { text-align: center; margin-bottom: 48px; }
.verify-icon {
  width: 64px; height: 64px; background: rgba(245,180,24,0.1);
  border: 1px solid rgba(245,180,24,0.2); border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin: 0 auto 20px;
}
.verify-header h1 {
  font-family: 'Syne', sans-serif; font-size: 32px; font-weight: 800;
  letter-spacing: -0.8px; margin-bottom: 8px;
}
.verify-header p { font-size: 15px; color: var(--text-dim); line-height: 1.6; }

/* ── SEARCH BOX ── */
.search-card {
  background: var(--dark-2);
  border: 1px solid #222;
  border-radius: 16px;
  padding: 32px;
  margin-bottom: 32px;
}
.search-card label {
  display: block; font-size: 12px; font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  color: var(--gold); text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 10px;
}
.input-row { display: flex; gap: 12px; }
.cert-input {
  flex: 1; background: var(--dark-3); border: 1px solid #2a2a2a;
  border-radius: 10px; padding: 13px 18px;
  font-family: 'JetBrains Mono', monospace; font-size: 14px;
  color: var(--text); outline: none; transition: border-color 0.2s;
  text-transform: uppercase; letter-spacing: 1px;
}
.cert-input::placeholder { color: var(--text-muted); text-transform: none; letter-spacing: 0; }
.cert-input:focus { border-color: var(--gold); }
.btn-verify {
  background: var(--gold); color: #000;
  font-family: 'Syne', sans-serif; font-weight: 700;
  font-size: 14px; padding: 13px 28px;
  border-radius: 10px; border: none; cursor: pointer;
  transition: all 0.2s; white-space: nowrap;
}
.btn-verify:hover { background: var(--gold-light); transform: translateY(-1px); }
.btn-verify:disabled { background: #333; color: #666; cursor: not-allowed; transform: none; }

.search-hint { font-size: 12px; color: var(--text-muted); margin-top: 12px; font-family: 'JetBrains Mono', monospace; }
.search-hint span { color: var(--gold); cursor: pointer; }
.search-hint span:hover { text-decoration: underline; }

/* ── RESULT ── */
.result-area { display: none; }
.result-area.show { display: block; animation: fadeUp 0.4s ease both; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── VALID CERTIFICATE ── */
.cert-card {
  background: var(--dark-2);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: 16px;
  overflow: hidden;
}
.cert-card-top {
  background: linear-gradient(135deg, #0a1a0a, #0f1a0a);
  padding: 28px 32px;
  display: flex; align-items: center; gap: 16px;
  border-bottom: 1px solid rgba(34,197,94,0.15);
}
.valid-badge {
  display: flex; align-items: center; gap: 8px;
  background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.25);
  border-radius: 100px; padding: 6px 14px;
  font-size: 12px; font-weight: 700; color: var(--green);
  font-family: 'JetBrains Mono', monospace;
}
.valid-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: pulse-green 2s infinite; }
@keyframes pulse-green {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.cert-card-top-right { margin-left: auto; text-align: right; }
.cert-id-label { font-size: 10px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; margin-bottom: 2px; }
.cert-id-value { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--gold); font-weight: 700; }

.cert-card-body { padding: 32px; }
.cert-name { font-family: 'Syne', sans-serif; font-size: 26px; font-weight: 800; margin-bottom: 4px; }
.cert-sub { font-size: 14px; color: var(--text-dim); margin-bottom: 28px; }

.cert-details { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 28px; }
.cert-detail { background: var(--dark-3); border: 1px solid #222; border-radius: 10px; padding: 14px 18px; }
.detail-label { font-size: 10px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 5px; }
.detail-value { font-size: 14px; font-weight: 600; color: var(--text); }
.detail-value.gold { color: var(--gold); }

.cert-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px;
  border-top: 1px solid #1e1e1e;
  background: var(--dark-3);
}
.footer-brand { font-family: 'Syne', sans-serif; font-size: 13px; font-weight: 700; color: var(--text-dim); }
.footer-brand span { color: var(--gold); }
.btn-download {
  background: transparent; border: 1px solid var(--gold); color: var(--gold);
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 12px;
  padding: 8px 18px; border-radius: 8px; cursor: pointer; transition: all 0.2s;
}
.btn-download:hover { background: var(--gold); color: #000; }

/* ── INVALID RESULT ── */
.invalid-card {
  background: var(--dark-2);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
}
.invalid-icon { font-size: 40px; margin-bottom: 16px; }
.invalid-title { font-family: 'Syne', sans-serif; font-size: 22px; font-weight: 800; color: var(--red); margin-bottom: 8px; }
.invalid-sub { font-size: 14px; color: var(--text-dim); line-height: 1.6; }

/* ── DEMO CERTS ── */
.demo-section { margin-top: 48px; }
.demo-title { font-size: 12px; font-family: 'JetBrains Mono', monospace; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; text-align: center; }
.demo-chips { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.demo-chip {
  background: var(--dark-3); border: 1px solid #2a2a2a;
  border-radius: 8px; padding: 8px 16px; cursor: pointer;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--text-dim); transition: all 0.2s;
}
.demo-chip:hover { border-color: var(--gold); color: var(--gold); }

/* ── HOW IT WORKS ── */
.how-section { margin-top: 56px; }
.how-title { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 800; margin-bottom: 20px; text-align: center; }
.how-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.how-step { background: var(--dark-2); border: 1px solid #1e1e1e; border-radius: 12px; padding: 20px; text-align: center; }
.step-num { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--gold); margin-bottom: 8px; }
.step-icon { font-size: 24px; margin-bottom: 8px; }
.step-text { font-size: 13px; color: var(--text-dim); line-height: 1.5; }

@media (max-width: 600px) {
  .input-row { flex-direction: column; }
  .cert-details { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; }
  .cert-card-footer { flex-direction: column; gap: 12px; }
}