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

:root {
  --bg:      #0f1117;
  --surface: #1a1d27;
  --border:  #2e3148;
  --accent:  #6c63ff;
  --accent2: #4ade80;
  --danger:  #f87171;
  --text:    #e2e8f0;
  --muted:   #64748b;
  --radius:  10px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 15px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  width: 100%;
  padding: 1.2rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .6rem;
}
header .logo { font-size: 1.3rem; font-weight: 700; letter-spacing: -.5px; }
header .logo span { color: var(--accent); }
header .badge {
  margin-left: auto;
  font-size: .7rem;
  background: rgba(108,99,255,.15);
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: .2rem .55rem;
  border-radius: 20px;
  letter-spacing: .5px;
  text-transform: uppercase;
}

main {
  width: 100%;
  max-width: 640px;
  padding: 2.5rem 1.5rem;
  flex: 1;
}

h1 { font-size: 1.4rem; margin-bottom: .4rem; }
.subtitle { color: var(--muted); font-size: .88rem; margin-bottom: 1.8rem; }

label {
  display: block;
  font-size: .8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .6px;
  margin-bottom: .45rem;
}

textarea {
  width: 100%;
  min-height: 140px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: .9rem;
  padding: .85rem 1rem;
  resize: vertical;
  outline: none;
  transition: border-color .2s;
}
textarea:focus { border-color: var(--accent); }

select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: .9rem;
  padding: .6rem .85rem;
  outline: none;
  cursor: pointer;
}
select:focus { border-color: var(--accent); }

.row { display: flex; gap: 1rem; align-items: flex-end; margin-top: 1rem; }
.row .field { flex: 1; }

button {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .65rem 1.4rem;
  border: none;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter .15s, opacity .15s;
}
button:disabled { opacity: .5; cursor: default; }
button:not(:disabled):hover { filter: brightness(1.12); }

.btn-primary  { background: var(--accent);  color: #fff; }
.btn-success  { background: var(--accent2); color: #0f1117; }
.btn-danger   { background: var(--danger);  color: #fff; }
.btn-ghost    {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

/* Result box */
.result-box {
  margin-top: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
}
.result-box .result-label {
  font-size: .75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .6px;
  margin-bottom: .5rem;
}
.result-box .link-row {
  display: flex;
  gap: .6rem;
  align-items: center;
}
.result-box .link-text {
  flex: 1;
  font-family: monospace;
  font-size: .82rem;
  word-break: break-all;
  color: var(--accent);
  background: rgba(108,99,255,.08);
  border: 1px solid rgba(108,99,255,.25);
  border-radius: 6px;
  padding: .5rem .7rem;
}

/* Secret display box */
.secret-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  word-break: break-all;
}
.secret-text {
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: 1rem;
  line-height: 1.6;
  white-space: pre-wrap;
  user-select: all;
}

.warning-box {
  background: rgba(248,113,113,.08);
  border: 1px solid rgba(248,113,113,.3);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  font-size: .87rem;
  color: var(--danger);
  margin-bottom: 1.5rem;
}

.info-box {
  background: rgba(108,99,255,.08);
  border: 1px solid rgba(108,99,255,.25);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  font-size: .87rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.hidden { display: none !important; }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.copied { color: var(--accent2) !important; }

footer {
  padding: 1rem;
  color: var(--muted);
  font-size: .78rem;
  text-align: center;
  border-top: 1px solid var(--border);
  width: 100%;
}
footer a { color: var(--accent); text-decoration: none; }