:root {
  color-scheme: dark;
  --bg: #14161a;
  --panel: #1d2026;
  --black: #0c0e11;
  --border: #2e323b;
  --text: #e4e7ec;
  --dim: #9aa3b0;
  --accent: #e8b64c;
  --blue: #3b82f6;
  --blue-deep: #1d4ed8;
  --ok: #1e6b34;
  --ok-bright: #6fcf7c;
  --err: #7a2828;
  --err-bright: #e06c6c;
  --warn: #e8b64c;
}

* { box-sizing: border-box; }

/* display rules below (inline-flex etc.) would otherwise beat the hidden
   attribute's UA display:none — the badge/download icons must stay hidden. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, "Segoe UI", sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

h1 { margin-bottom: 0.25rem; }

.tag {
  font-size: 0.45em;
  vertical-align: super;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.github-link {
  color: var(--dim);
  transition: color 0.2s, transform 0.2s;
}

.github-link:hover {
  color: var(--text);
  transform: scale(1.12);
}

.lede { color: var(--dim); }
.lede strong { color: var(--text); }

/* --- legal modal --- */

#legal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: rgba(10, 11, 13, 0.82);
  backdrop-filter: blur(3px);
  animation: fadeIn 0.25s ease-out;
}

.legal-box {
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 1.75rem 2rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  animation: popIn 0.3s cubic-bezier(0.2, 1.4, 0.4, 1);
}

.legal-box h2 { margin-top: 0; }
.legal-box p { color: var(--dim); font-size: 0.95rem; }
.legal-box strong { color: var(--text); }

button {
  font: inherit;
  padding: 0.55rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #14161a;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
}

button:not(:disabled):hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 12px rgba(232, 182, 76, 0.25);
}

button:not(:disabled):active { transform: translateY(0); }

button:disabled {
  opacity: 0.45;
  cursor: default;
}

button.secondary {
  background: transparent;
  color: var(--dim);
  border-color: var(--border);
}

button.secondary:not(:disabled):hover {
  box-shadow: none;
  color: var(--text);
}

#legal-accept { width: 100%; margin-top: 0.5rem; }

/* --- dropzone --- */

#dropzone {
  margin: 1.5rem 0;
  padding: 2.25rem 1.5rem;
  text-align: center;
  background: var(--panel);
  border: 2px dashed var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

#dropzone:hover, #dropzone:focus-visible {
  border-color: var(--accent);
  outline: none;
}

#dropzone.over {
  border-color: var(--accent);
  background: #232730;
  transform: scale(1.01);
  animation: pulse 1s ease-in-out infinite;
}

#dropzone p { margin: 0.25rem 0; }
.hint { color: var(--dim); font-size: 0.9rem; }
code {
  background: var(--bg);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  font-size: 0.9em;
}

/* --- file list --- */

#files {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
}

.file {
  position: relative;
  margin-bottom: 0.45rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--black);           /* staged */
  transition: background-color 0.5s ease;
  animation: slideIn 0.25s ease-out;
}

.file.leaving {
  opacity: 0;
  transform: translateX(12px);
  margin-bottom: 0;
  border-width: 0;
  transition:
    opacity 0.13s ease-in,
    transform 0.13s ease-in,
    max-height 0.17s ease-in 0.03s,
    margin-bottom 0.17s ease-in 0.03s,
    border-width 0.17s ease-in 0.03s;
}

.file .bar {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
}

.file.working { background: var(--black); }

/* The gradient's left and right edge colors match, so the 200%-sized image
   tiles seamlessly and the position loop has no visible restart. */
.file.working .bar {
  opacity: 1;
  background: linear-gradient(
    100deg,
    var(--blue-deep) 0%,
    var(--blue) 25%,
    #7fb3ff 50%,
    var(--blue) 75%,
    var(--blue-deep) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s linear infinite;
}

.file.ok { background: var(--ok); }
.file.ok.suspect { background: #6b5a1e; }
.file.err { background: var(--err); }

.file .row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.85rem;
}

.file .name {
  overflow-wrap: anywhere;
  font-weight: 600;
}

.file.working .name { color: #fff; }
.file.ok .name, .file.err .name { color: #fff; }

.badge.companion {
  flex: none;
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.35rem;
  border-radius: 5px;
  background: rgba(59, 130, 246, 0.18);
  color: #7fb3ff;
}

.file.ok .badge.companion,
.file.err .badge.companion,
.file.working .badge.companion {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.file .status {
  flex: 1;
  text-align: right;
  font-size: 0.85rem;
  color: var(--dim);
  overflow-wrap: anywhere;
}

.file.ok .status { color: #cfe9d5; }
.file.ok.suspect .status { color: #f0e3b2; }
.file.err .status { color: #f0c8c8; }
.file.working .status { color: #dbe7ff; }

.file .dl {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  transition: background 0.15s, transform 0.15s;
  animation: popIn 0.3s cubic-bezier(0.2, 1.4, 0.4, 1);
}

.file .dl:hover {
  background: rgba(255, 255, 255, 0.32);
  transform: scale(1.1);
}

.file .remove {
  flex: none;
  padding: 0.1rem 0.55rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--dim);
  font-weight: 400;
}

.file .remove:hover {
  color: var(--err-bright);
  border-color: var(--err-bright);
  box-shadow: none;
  transform: none;
}

.file.ok .remove,
.file.err .remove,
.file.working .remove {
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.75);
}

.file.ok .remove:hover,
.file.err .remove:hover {
  color: #fff;
  border-color: #fff;
}

.actions {
  display: flex;
  gap: 0.6rem;
  animation: fadeIn 0.25s ease-out;
}

footer {
  margin-top: 2rem;
  color: var(--dim);
  font-size: 0.85rem;
}
footer a { color: var(--dim); }

/* --- animations --- */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  from { background-position: 0 0; }
  to { background-position: -200% 0; }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 182, 76, 0.25); }
  50% { box-shadow: 0 0 0 6px rgba(232, 182, 76, 0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}