:root {
  --bg: #0f1216;
  --card: #171c22;
  --card2: #1e242c;
  --line: #2a323c;
  --text: #e8edf2;
  --muted: #92a0ad;
  --green: #00b140;
  --green-soft: #12351f;
  --accent: #2ec07a;
  --danger: #ff6b6b;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding-bottom: 60px;
}

header {
  text-align: center;
  padding: 32px 16px 8px;
}
header h1 { margin: 0; font-size: 26px; }
header .sub { color: var(--muted); margin: 6px 0 0; font-size: 14px; }

main {
  max-width: 760px;
  margin: 18px auto;
  padding: 0 16px;
  display: grid;
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.step { margin-bottom: 20px; }
.step-title {
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.num {
  display: inline-flex;
  width: 24px; height: 24px;
  align-items: center; justify-content: center;
  background: var(--green-soft);
  color: var(--accent);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
}

/* загрузка картинки */
.drop {
  display: block;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 26px;
  text-align: center;
  cursor: pointer;
  color: var(--muted);
  transition: border-color .15s, background .15s;
}
.drop:hover, .drop.drag { border-color: var(--accent); background: #12181e; }
.drop-icon { font-size: 34px; margin-bottom: 6px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.thumb { max-height: 220px; max-width: 100%; border-radius: 10px; }

textarea, input[type=text], select {
  width: 100%;
  background: var(--card2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 15px;
  font-family: inherit;
  resize: vertical;
}
textarea:focus, input:focus, select:focus { outline: none; border-color: var(--accent); }

/* форматы */
.aspects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.aspect {
  background: var(--card2);
  border: 2px solid var(--line);
  border-radius: 12px;
  padding: 14px 8px;
  color: var(--text);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  transition: border-color .15s, background .15s;
}
.aspect small { color: var(--muted); }
.aspect:hover { border-color: var(--accent); }
.aspect.active { border-color: var(--green); background: var(--green-soft); }
.aspect.active small { color: var(--accent); }
.box { background: #384250; border-radius: 3px; display: block; }
.box-169 { width: 40px; height: 22px; }
.box-916 { width: 22px; height: 40px; }
.box-11  { width: 32px; height: 32px; }
.aspect.active .box { background: var(--green); }

.more { margin: 8px 0 18px; }
.more summary { cursor: pointer; color: var(--muted); font-size: 14px; }
.more-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.more label, .full { display: block; font-size: 13px; color: var(--muted); margin-top: 10px; }
.more label select, .full input { margin-top: 5px; }

/* кнопки */
button, .primary, .secondary, .ghost {
  font-size: 15px;
  font-family: inherit;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid transparent;
  padding: 12px 18px;
}
.primary {
  display: block;
  width: 100%;
  background: var(--green);
  color: #04210f;
  font-weight: 700;
  border: none;
  text-align: center;
  text-decoration: none;
}
.primary:hover { background: #00c748; }
.primary:disabled { background: #2a323c; color: #6b7885; cursor: not-allowed; }
.secondary { background: var(--accent); color: #04210f; font-weight: 600; border: none; }
.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.ghost:hover { border-color: var(--accent); }

/* прогресс */
.progress { display: flex; align-items: center; gap: 14px; padding: 10px 0; }
.spinner {
  width: 26px; height: 26px;
  border: 3px solid var(--line);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* просмотр */
.stage {
  background:
    repeating-conic-gradient(#20262e 0% 25%, #262d36 0% 50%) 50% / 24px 24px;
  border-radius: 12px;
  padding: 12px;
  display: flex;
  justify-content: center;
}
#video { max-width: 100%; max-height: 460px; border-radius: 8px; display: block; }
.actions { display: flex; gap: 10px; margin: 16px 0; }
.actions .primary { flex: 1; }

.refine {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 8px;
}
.refine-actions { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }

.error {
  background: #2a1416;
  border: 1px solid #5a2a2e;
  color: #ffb3b3;
  padding: 14px;
  border-radius: 10px;
  white-space: pre-wrap;
  font-size: 14px;
}

.banner-warn {
  max-width: 760px;
  margin: 8px auto 0;
  background: #2c2410;
  border: 1px solid #5c4a1a;
  color: #ffe08a;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 14px;
}

/* история */
.history { max-width: 760px; margin: 30px auto; padding: 0 16px; }
.history h2 { font-size: 18px; }
.history-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.hist-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
}
.hist-item video, .hist-item .ph {
  width: 100%; height: 130px; object-fit: cover;
  background: repeating-conic-gradient(#20262e 0% 25%, #262d36 0% 50%) 50% / 20px 20px;
  display: block;
}
.hist-item .cap { padding: 8px 10px; font-size: 12px; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* --- вход --- */
.login-screen {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); z-index: 50; padding: 16px;
}
.login-box {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px; width: 100%; max-width: 360px;
  display: flex; flex-direction: column; gap: 12px; text-align: center;
}
.login-box h1 { margin: 0; font-size: 22px; }
.login-box .sub { color: var(--muted); margin: 0 0 8px; }
.login-box input { text-align: left; }

/* --- шапка и вкладки --- */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 20px; border-bottom: 1px solid var(--line);
  background: var(--card); position: sticky; top: 0; z-index: 10; flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 17px; }
.tabs { display: flex; gap: 6px; flex: 1; }
.tab {
  background: transparent; border: none; color: var(--muted);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 15px;
}
.tab:hover { color: var(--text); background: var(--card2); }
.tab.active { color: var(--accent); background: var(--green-soft); font-weight: 600; }
.who { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 14px; }
.small { padding: 7px 12px; font-size: 13px; }

.page { max-width: 760px; margin: 20px auto; padding: 0 16px; display: grid; gap: 18px; }
.card h2 { font-size: 17px; margin: 0 0 8px; }
.muted { color: var(--muted); font-size: 14px; }

/* --- выбор модели --- */
.model-row { background: var(--card2); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 16px; }
.check { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 14px; }
.check input { width: 18px; height: 18px; flex: none; accent-color: var(--green); }
.model-row .hint { margin-top: 6px; }

/* --- контент --- */
.kind-row, .aspects { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.kind {
  background: var(--card2); border: 2px solid var(--line); border-radius: 12px;
  padding: 14px; color: var(--text); cursor: pointer; font-size: 15px;
}
.kind:hover { border-color: var(--accent); }
.kind.active { border-color: var(--green); background: var(--green-soft); color: var(--accent); font-weight: 600; }
.output {
  width: 100%; background: var(--card2); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px; padding: 14px;
  font-size: 14px; line-height: 1.6; font-family: inherit; resize: vertical;
}

/* --- настройки: пользователи и база знаний --- */
.users { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.user-row {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--card2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
}
.user-row .uname { font-weight: 600; }
.user-row .badge { font-size: 12px; color: var(--muted); }
.user-row .spacer { flex: 1; }
.new-user, .new-kb { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-start; }
.new-user input { flex: 1; min-width: 120px; }
.new-kb { flex-direction: column; }
.kb { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.kb-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--card2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px;
}
.kb-row .spacer { flex: 1; }

.msg { margin-top: 10px; padding: 10px 12px; border-radius: 8px; font-size: 14px; }
.msg.ok { background: var(--green-soft); color: var(--accent); border: 1px solid #235c39; }
.msg.bad { background: #2a1416; color: #ffb3b3; border: 1px solid #5a2a2e; white-space: pre-wrap; }

.danger { background: transparent; color: var(--danger); border: 1px solid #5a2a2e; padding: 6px 10px; font-size: 13px; border-radius: 8px; cursor: pointer; }

/* --- выбор качества --- */
.quality { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.ql {
  background: var(--card2); border: 2px solid var(--line); border-radius: 12px;
  padding: 14px 8px; color: var(--text); cursor: pointer; font-size: 15px;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.ql small { color: var(--muted); font-size: 12px; }
.ql:hover { border-color: var(--accent); }
.ql.active { border-color: var(--green); background: var(--green-soft); color: var(--accent); font-weight: 600; }
.ql.locked { opacity: .4; cursor: not-allowed; }
.ql.locked:hover { border-color: var(--line); }

/* --- сегменты (мои/общее) --- */
.seg { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.seg-btn {
  background: var(--card2); border: 1px solid var(--line); color: var(--muted);
  padding: 8px 14px; border-radius: 9px; cursor: pointer; font-size: 14px;
}
.seg-btn.active { background: var(--green-soft); color: var(--accent); border-color: var(--green); font-weight: 600; }
.seg-user { max-width: 220px; }

/* --- сетка работ --- */
.works-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin-top: 14px; }
.work-card { background: var(--card2); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
.work-card video { width: 100%; height: 150px; object-fit: contain;
  background: repeating-conic-gradient(#20262e 0% 25%, #262d36 0% 50%) 50% / 18px 18px; }
.work-card .txt { padding: 10px 12px; font-size: 13px; color: var(--text); max-height: 150px; overflow: hidden; white-space: pre-wrap; }
.work-card .meta { padding: 8px 12px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.work-card .meta .spacer { flex: 1; }
.work-card .tag { font-size: 11px; padding: 2px 7px; border-radius: 20px; background: var(--green-soft); color: var(--accent); }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 12px; padding: 2px 4px; }
.link-btn:hover { text-decoration: underline; }

/* --- памятка по ключу --- */
.keyhelp { margin: 6px 0 14px; background: var(--card2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; }
.keyhelp summary { cursor: pointer; color: var(--accent); font-size: 14px; }
.keyhelp ol { margin: 10px 0; padding-left: 20px; font-size: 14px; line-height: 1.7; }
.keyhelp a { color: var(--accent); }

/* --- реакции и комментарии --- */
.react { display: flex; gap: 8px; padding: 8px 12px; border-top: 1px solid var(--line); }
.rbtn { background: var(--card); border: 1px solid var(--line); color: var(--text);
  padding: 5px 10px; border-radius: 8px; cursor: pointer; font-size: 13px; }
.rbtn:hover { border-color: var(--accent); }
.rbtn.on { background: var(--green-soft); border-color: var(--green); color: var(--accent); }
.comments { padding: 10px 12px; border-top: 1px solid var(--line); }
.cm { font-size: 13px; padding: 6px 0; border-bottom: 1px solid var(--line); display: flex; gap: 6px; }
.cm .who { color: var(--accent); font-weight: 600; }
.cm .spacer { flex: 1; }
.cm-form { display: flex; gap: 6px; margin-top: 8px; }
.cm-form input { flex: 1; }
.cm-form button { padding: 8px 12px; }

.hidden { display: none !important; }