/* Simple, modern styles for the link shortener UI */

:root{
  --bg-1: #0f172a;
  --bg-2: #0b1220;
  --card-bg: rgba(255,255,255,0.03);
  --accent: #7c5cff;
  --accent-2: #00d4ff;
  --muted: #9aa4b2;
  --text: #e6eef8;
  --success: #22c55e;
  --danger: #ff6b6b;
  --glass: rgba(255,255,255,0.04);
  --radius: 12px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

* { box-sizing: border-box; }
html,body { height: 100%; margin: 0; background: linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 100%); color: var(--text); -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; }

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
}

/* Card */
.card {
  width: 100%;
  max-width: 720px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 10px 40px rgba(2,6,23,0.6);
  border: 1px solid rgba(255,255,255,0.03);
}

/* Header */
.card-header { margin-bottom: 16px; }
.brand {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.02em;
}
.subtitle {
  margin: 6px 0 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* Form */
.shortener-form { margin-top: 16px; display: grid; gap: 12px; }

.sr-only {
  position: absolute !important;
  height: 1px; width: 1px; overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* The big input box — most important element */
.url-input {
  width: 100%;
  padding: 18px 18px;
  font-size: 16px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.04);
  outline: none;
  transition: box-shadow 180ms ease, transform 120ms ease, border-color 120ms;
  box-shadow: inset 0 -2px 8px rgba(0,0,0,0.25);
}
.url-input::placeholder { color: rgba(255,255,255,0.42); }
.url-input:focus {
  border-color: rgba(124,92,255,0.9);
  box-shadow: 0 6px 30px rgba(124,92,255,0.08);
  transform: translateY(-1px);
}
.url-input.invalid {
  border-color: var(--danger);
  box-shadow: 0 6px 20px rgba(255,107,107,0.08);
}

/* Controls */
.controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn-primary {
  appearance: none;
  border: none;
  padding: 12px 18px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: white;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(124,92,255,0.14);
}
.btn-primary:disabled { opacity: 0.7; cursor: default; transform: none; }

.btn-ghost {
  background: var(--glass);
  border: 1px solid rgba(255,255,255,0.04);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
}

/* help text */
.help { margin: 0; color: var(--muted); font-size: 13px; }

/* Result area */
.result { margin-top: 18px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,0.02); }
.result-label { margin: 0 0 8px 0; color: var(--muted); font-size: 13px; }
.result-row { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.short-link {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 600;
  word-break: break-all;
  max-width: 100%;
}
.result-actions { display: flex; gap: 8px; align-items: center; }

/* Small buttons */
.btn-small {
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.03);
  cursor: pointer;
  font-size: 13px;
}
.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,0.06); }

/* Footer */
.card-footer { margin-top: 18px; color: var(--muted); font-size: 12px; }

/* Responsive */
@media (max-width: 520px) {
  .card { padding: 18px; }
  .brand { font-size: 22px; }
  .url-input { padding: 14px; font-size: 15px; }
  .controls { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { width: 100%; }
}