/* ── reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0d0d0d;
  --surface:  #161616;
  --border:   #252525;
  --border2:  #333;
  --accent:   #4ade80;
  --accent2:  #22c55e;
  --text:     #e2e2e2;
  --muted:    #666;
  --muted2:   #888;
  --danger:   #f87171;
  --font:     system-ui, -apple-system, sans-serif;
  --mono:     'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  --radius:   8px;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
}

/* ── layout ───────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ── brand ────────────────────────────────────────────────────────────────── */
header { text-align: center; padding: 1rem 0 0.5rem; }

.brand {
  font-family: var(--mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.brand:hover { color: var(--accent2); }
.brand .dim, .dim { color: var(--muted2); }

.tagline {
  margin-top: 0.4rem;
  color: var(--muted2);
  font-size: 0.875rem;
}

/* ── drop zone ────────────────────────────────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}
.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent);
  background: #161e17;
}
.drop-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}

.drop-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}
.drop-text {
  color: var(--muted2);
  font-size: 0.95rem;
}
.drop-text strong { color: var(--text); }

/* selected file display */
.file-selected {
  display: none;
  align-items: center;
  gap: 0.75rem;
  background: #1a1a1a;
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}
.file-selected.visible { display: flex; }
.file-selected-name {
  flex: 1;
  font-family: var(--mono);
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}
.file-selected-size { color: var(--muted2); font-size: 0.8rem; white-space: nowrap; }
.file-clear {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font-size: 1.1rem; padding: 0 0.25rem; line-height: 1;
}
.file-clear:hover { color: var(--danger); }

/* ── options row ──────────────────────────────────────────────────────────── */
.options-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.options-row label {
  color: var(--muted2);
  font-size: 0.875rem;
  white-space: nowrap;
}
.ttl-select {
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  font-size: 0.875rem;
  cursor: pointer;
  flex: 1;
}
.ttl-select:focus { outline: none; border-color: var(--accent); }

.btn-upload {
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn-upload:hover:not(:disabled) { background: var(--accent2); }
.btn-upload:disabled { opacity: 0.35; cursor: not-allowed; }

/* ── progress ─────────────────────────────────────────────────────────────── */
.progress-wrap {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
}
.progress-wrap.visible { display: flex; }
.progress-bar-track {
  background: var(--border);
  border-radius: 99px;
  height: 6px;
  overflow: hidden;
}
.progress-bar-fill {
  background: var(--accent);
  height: 100%;
  width: 0%;
  border-radius: 99px;
  transition: width 0.1s;
}
.progress-label {
  font-size: 0.8rem;
  color: var(--muted2);
  text-align: right;
}

/* ── result card ──────────────────────────────────────────────────────────── */
.result-card {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.result-card.visible { display: flex; }

.result-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}
.result-check { color: var(--accent); font-size: 1.1rem; }

.url-bar {
  display: flex;
  gap: 0.5rem;
}
.url-bar input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.8rem;
}
.url-bar input:focus { outline: none; border-color: var(--accent); }

.btn-copy {
  background: var(--border2);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.btn-copy:hover { background: #3a3a3a; }
.btn-copy.copied { background: #1a3320; border-color: var(--accent); color: var(--accent); }

.result-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.pill {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  color: var(--muted2);
}
.pill.expires { color: var(--accent); border-color: #1a3320; background: #0f1e13; }

.delete-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.delete-row code {
  font-family: var(--mono);
  color: var(--muted2);
  word-break: break-all;
}

.btn-new {
  background: none;
  border: 1px solid var(--border2);
  color: var(--muted2);
  border-radius: 6px;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  align-self: flex-start;
}
.btn-new:hover { border-color: var(--accent); color: var(--accent); }

/* ── curl section ─────────────────────────────────────────────────────────── */
.curl-section {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}
.curl-section h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.curl-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted2);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: border-color 0.15s;
}
.curl-block:hover { border-color: var(--border2); }
.curl-block .prompt { color: var(--accent); user-select: none; }
.curl-block code { flex: 1; }

/* ── download page ────────────────────────────────────────────────────────── */
.file-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.file-icon-badge {
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.file-details { flex: 1; min-width: 0; }
.file-name {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.4rem;
}
.file-meta-row { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.btn-download {
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s;
}
.btn-download:hover { background: var(--accent2); }

.curl-hint {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted2);
}

/* ── footer ───────────────────────────────────────────────────────────────── */
footer {
  margin-top: auto;
  padding-top: 2rem;
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}

/* ── responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .file-card { flex-wrap: wrap; }
  .btn-download { width: 100%; text-align: center; }
  .options-row { flex-wrap: wrap; }
}