:root {
  --paper: #f3f4f0;
  --paper-raised: #fbfbf9;
  --paper-line: #dcdcd2;
  --ink: #16233b;
  --ink-soft: #56606f;
  --sage: #3f6657;
  --sage-soft: #e7efe9;
  --amber: #c8892e;
  --amber-soft: #f6ead2;
  --danger: #a3432f;
  --font-serif: "Source Serif Pro", Georgia, serif;
  --font-sans: -apple-system, "Segoe UI", Inter, sans-serif;
  --max-width: 760px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--sage); text-decoration: none; }
a:hover { text-decoration: underline; }

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  border-bottom: 1px solid var(--paper-line);
  background: var(--paper-raised);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 34px; height: 34px; border-radius: 6px; object-fit: cover; box-shadow: 0 2px 6px rgba(22, 35, 59, 0.1); }
.brand-name { font-family: var(--font-serif); font-size: 19px; font-weight: 700; }

.user-menu { display: flex; align-items: center; gap: 16px; font-size: 13.5px; color: var(--ink-soft); }

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

main.wide { max-width: 1050px; }

h1 { font-family: var(--font-serif); font-size: 30px; margin: 0 0 6px; }
h2 { font-family: var(--font-serif); font-size: 21px; margin: 32px 0 10px; }
p.lede { color: var(--ink-soft); margin-top: 0; max-width: 52ch; }

.card {
  background: var(--paper-raised);
  border: 1px solid var(--paper-line);
  border-radius: 6px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(22, 35, 59, 0.03);
}

.auth-card { max-width: 400px; margin: 60px auto; }

form label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--ink-soft); font-weight: 600; }
form input {
  display: block; width: 100%; margin-top: 6px; padding: 11px 14px;
  border: 1px solid var(--paper-line); border-radius: 4px; font-size: 14.5px; background: #fff; color: var(--ink);
}
form input:focus { outline: 2px solid var(--sage); outline-offset: 1px; border-color: var(--sage); }

button {
  font-family: var(--font-sans);
  font-size: 14px;
  cursor: pointer;
  border-radius: 4px;
  border: 1px solid transparent;
  padding: 10px 18px;
  transition: all 0.2s ease;
}
button.primary { background: var(--sage); color: #fff; font-weight: 600; }
button.primary:hover { background: #345448; transform: translateY(-1px); }
button.secondary { background: #fff; border-color: var(--paper-line); color: var(--ink); font-weight: 600; }
button.secondary:hover { border-color: var(--sage); background: var(--sage-soft); }
button.full { width: 100%; }
button.link-btn { background: none; border: none; color: var(--ink-soft); text-decoration: underline; padding: 0; font-size: 13px; cursor: pointer; }

.error { color: var(--danger); font-size: 13px; }
.switch-row { text-align: center; margin-top: 16px; font-size: 13.5px; color: var(--ink-soft); }

.video-list { list-style: none; margin: 0; padding: 0; }
.video-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0; border-bottom: 1px solid var(--paper-line); text-decoration: none; color: var(--ink);
  transition: padding-left 0.2s ease;
}
.video-row:hover { padding-left: 6px; }
.video-row:hover .video-row-title { color: var(--sage); }
.video-row-title { font-family: var(--font-serif); font-size: 17px; font-weight: 700; }
.video-row-meta { font-size: 12.5px; color: var(--ink-soft); margin-top: 3px; }

.status-chip {
  font-size: 11.5px; padding: 3px 10px; border-radius: 12px; white-space: nowrap; font-weight: 600;
}
.status-chip.completed, .status-chip.ready { background: var(--sage-soft); color: var(--sage); }
.status-chip.processing, .status-chip.capturing, .status-chip.initializing { background: var(--amber-soft); color: #7a5613; }
.status-chip.failed { background: #f6dcd4; color: var(--danger); }

.empty-state {
  text-align: center; color: var(--ink-soft); padding: 60px 20px; border: 1px dashed var(--paper-line); border-radius: 6px; background: var(--paper-raised);
}

.tabs { display: flex; gap: 24px; border-bottom: 1px solid var(--paper-line); margin: 30px 0 24px; }
.tab { background: none; border: none; border-bottom: 2px solid transparent; padding: 10px 0; color: var(--ink-soft); font-size: 14.5px; font-weight: 600; cursor: pointer; }
.tab.active { color: var(--ink); border-bottom-color: var(--sage); }

.note-section { border-left: 2px solid var(--paper-line); padding-left: 18px; margin-bottom: 26px; }
.note-heading { font-family: var(--font-serif); font-size: 18px; margin: 0 0 6px; display: flex; align-items: center; gap: 8px; }
.note-body p { margin: 0 0 10px; }

.visual-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.visual-card { background: var(--paper-raised); border: 1px solid var(--paper-line); border-radius: 6px; padding: 14px; }
.visual-card img { width: 100%; border: 1px solid var(--paper-line); border-radius: 4px; object-fit: contain; }

.field-group { margin-bottom: 16px; }
.password-field { position: relative; }
.password-field input { padding-right: 64px; }
.toggle-visibility {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--sage); font-size: 12.5px; font-weight: 600;
  padding: 4px 8px; cursor: pointer;
}
.toggle-visibility:hover { text-decoration: underline; }

.strength-meter { height: 4px; border-radius: 2px; background: var(--paper-line); margin-top: 8px; overflow: hidden; }
.strength-meter .bar { height: 100%; width: 0%; border-radius: 2px; transition: width 0.2s ease, background 0.2s ease; }
.strength-hint { font-size: 12px; color: var(--ink-soft); margin-top: 5px; min-height: 15px; }
.field-error { color: var(--danger); font-size: 12px; margin-top: 5px; }

.success-box {
  background: var(--sage-soft); border-left: 3px solid var(--sage);
  padding: 16px; border-radius: 4px; font-size: 13.5px; line-height: 1.5; color: var(--ink);
}
.back-link { display: inline-block; margin-top: 18px; font-size: 13.5px; font-weight: 600; }
.hidden { display: none !important; }
button:disabled { opacity: 0.65; cursor: not-allowed; }