:root {
  --purple: #7c3aed;
  --purple-dark: #6d28d9;
  --purple-soft: #ede9fe;
  --bg: #ffffff;
  --bg-soft: #f7f7f9;
  --surface: #ffffff;
  --bubble-in: #f1f1f4;
  --text: #14141a;
  --text-dim: #8e8e96;
  --border: #ececf0;
  --shadow: 0 8px 30px rgba(20, 20, 26, 0.08);
  --radius: 22px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e12;
    --bg-soft: #15151b;
    --surface: #15151b;
    --bubble-in: #1e1e26;
    --purple-soft: #241b3d;
    --text: #f2f2f5;
    --text-dim: #7e7e8c;
    --border: #24242e;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
}

/* ---------- Шапка ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  padding-top: max(12px, env(safe-area-inset-top));
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 5;
}

.persona-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  padding: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.persona-btn:active { opacity: 0.6; }

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a78bfa, #7c3aed 55%, #4c1d95);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 17px;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
}

.titles { flex: 1; min-width: 0; }

.name {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.status {
  font-size: 12.5px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 5px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34c759;
  display: inline-block;
}

.balance-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  border: none;
  background: var(--purple-soft);
  color: var(--purple);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.balance-chip:active { transform: scale(0.95); }
.spark { font-size: 12px; }

/* ---------- Чат ---------- */

.chat {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 16px 14px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.msg {
  max-width: 78%;
  padding: 10px 14px;
  border-radius: 20px;
  word-wrap: break-word;
  white-space: pre-wrap;
  animation: pop 0.22s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

@keyframes pop {
  from { opacity: 0; transform: translateY(8px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

.msg.in {
  align-self: flex-start;
  background: var(--bubble-in);
  border-bottom-left-radius: 7px;
}

.msg.out {
  align-self: flex-end;
  background: linear-gradient(135deg, #8b5cf6, var(--purple-dark));
  color: #fff;
  border-bottom-right-radius: 7px;
}

.day-sep {
  align-self: center;
  font-size: 12px;
  color: var(--text-dim);
  margin: 6px 0;
}

/* Индикатор набора */

.typing {
  align-self: flex-start;
  background: var(--bubble-in);
  border-radius: 20px;
  border-bottom-left-radius: 7px;
  padding: 14px 16px;
  display: flex;
  gap: 4px;
}

.typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  animation: blink 1.3s infinite;
}

.typing span:nth-child(2) { animation-delay: 0.18s; }
.typing span:nth-child(3) { animation-delay: 0.36s; }

@keyframes blink {
  0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

.loader {
  margin: auto;
  display: flex;
  gap: 6px;
}

.loader span {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--purple);
  animation: blink 1.2s infinite;
}
.loader span:nth-child(2) { animation-delay: 0.15s; }
.loader span:nth-child(3) { animation-delay: 0.3s; }

/* ---------- Ввод ---------- */

.composer-wrap {
  flex-shrink: 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 10px 14px;
  padding-bottom: max(10px, env(safe-area-inset-bottom));
}

.empty-balance {
  text-align: center;
  font-size: 13px;
  color: var(--purple);
  background: var(--purple-soft);
  border-radius: 14px;
  padding: 9px;
  margin-bottom: 9px;
}

.composer {
  display: flex;
  align-items: center;
  gap: 9px;
}

.composer input {
  flex: 1;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  outline: none;
  min-width: 0;
  transition: border-color 0.18s ease;
}

.composer input:focus { border-color: var(--purple); }
.composer input::placeholder { color: var(--text-dim); }

.send {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, #8b5cf6, var(--purple-dark));
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.2s ease;
}

.send:active { transform: scale(0.9); }
.send:disabled { opacity: 0.45; cursor: default; }

/* ---------- Шторка пополнения ---------- */

.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 20;
  animation: fade 0.2s ease;
}

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

.sheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 21;
  background: var(--surface);
  border-radius: 26px 26px 0 0;
  padding: 10px 20px max(24px, env(safe-area-inset-bottom));
  box-shadow: var(--shadow);
  animation: slide-up 0.28s cubic-bezier(0.2, 0.9, 0.3, 1);
  max-height: 85dvh;
  overflow-y: auto;
}

@keyframes slide-up {
  from { transform: translateY(100%); }
  to   { transform: none; }
}

.sheet-handle {
  width: 38px;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  margin: 0 auto 16px;
}

.sheet h2 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.sheet-sub {
  margin: 4px 0 18px;
  color: var(--text-dim);
  font-size: 13.5px;
}

.packages { display: flex; flex-direction: column; gap: 10px; }

.package {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 18px;
  padding: 15px 16px;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.18s ease, transform 0.15s ease;
}

.package:active { transform: scale(0.985); }
.package:hover { border-color: var(--purple); }

.package-info { flex: 1; min-width: 0; }
.package-title { font-weight: 600; font-size: 15px; }
.package-desc { color: var(--text-dim); font-size: 13px; }

.package-price {
  font-weight: 600;
  color: var(--purple);
  background: var(--purple-soft);
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 14px;
  white-space: nowrap;
}

.badge {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--purple);
  border-radius: 6px;
  padding: 2px 6px;
  margin-left: 7px;
  vertical-align: middle;
}

.sheet-stats {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  text-align: center;
}

.stat-value { font-weight: 600; font-size: 16px; }
.stat-label { font-size: 11.5px; color: var(--text-dim); margin-top: 2px; }

/* ---------- Персонажи ---------- */

.sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.btn-add, .btn-back {
  border: none;
  background: var(--purple-soft);
  color: var(--purple);
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.btn-back { background: var(--bubble-in); color: var(--text-dim); }

.characters { display: flex; flex-direction: column; gap: 10px; }

.character {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  border-radius: 18px;
  padding: 13px 14px;
  cursor: pointer;
  transition: border-color 0.18s ease, transform 0.15s ease;
}

.character:active { transform: scale(0.985); }
.character.active { border-color: var(--purple); background: var(--purple-soft); }

.character .avatar { width: 38px; height: 38px; font-size: 16px; }

.character-info { flex: 1; min-width: 0; }
.character-name { font-weight: 600; font-size: 15px; }

.character-levels {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 1px;
  line-height: 1.35;
}

.character-edit {
  border: none;
  background: transparent;
  color: var(--purple);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  flex-shrink: 0;
}

.check {
  color: var(--purple);
  font-size: 17px;
  flex-shrink: 0;
}

/* ---------- Форма конструктора ---------- */

.field { display: block; margin-bottom: 20px; }

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 9px;
}

.field input[type="text"],
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 15px;
  font: inherit;
  outline: none;
  resize: none;
  transition: border-color 0.18s ease;
}

.field input[type="text"]:focus,
.field textarea:focus { border-color: var(--purple); }

.hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 8px;
  line-height: 1.4;
}

/* Пояснение на первом входе: мягкий блок, а не тревожная плашка */
.welcome-note {
  margin: 0 0 18px;
  padding: 13px 15px;
  background: var(--purple-soft);
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
}

/* Ползунок на три положения */

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--bubble-in);
  outline: none;
  margin: 0;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #8b5cf6, var(--purple-dark));
  border: 3px solid var(--bg);
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.4);
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--purple);
  border: 3px solid var(--bg);
  cursor: pointer;
}

.slider-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 9px;
  font-size: 12px;
  color: var(--text-dim);
}

.slider-scale span { flex: 1; text-align: center; transition: color 0.15s ease; }
.slider-scale span:first-child { text-align: left; }
.slider-scale span:last-child { text-align: right; }
.slider-scale span.on { color: var(--purple); font-weight: 600; }

.editor-actions { display: flex; flex-direction: column; gap: 9px; margin-top: 4px; }

.btn-wide {
  width: 100%;
  border: none;
  background: linear-gradient(135deg, #8b5cf6, var(--purple-dark));
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 14px;
  border-radius: 16px;
  cursor: pointer;
  transition: transform 0.14s ease, opacity 0.15s ease;
}

.btn-wide:active { transform: scale(0.985); }
.btn-wide:disabled { opacity: 0.5; }

.btn-wide.ghost {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
}

.danger-text { color: #ef4444 !important; }

.prompt-preview {
  margin-top: 18px;
  font-size: 12.5px;
  color: var(--text-dim);
}

.prompt-preview summary { cursor: pointer; padding: 6px 0; }

.prompt-preview pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg-soft);
  border-radius: 14px;
  padding: 13px;
  margin-top: 8px;
  font-size: 11.5px;
  line-height: 1.5;
  max-height: 240px;
  overflow-y: auto;
}

/* ---------- Тост ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 92px;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  z-index: 40;
  animation: fade 0.2s ease;
  max-width: 88vw;
  text-align: center;
}