/* =============================================================================
   Art Studio — адаптивный веб-интерфейс каталога мастер-классов.
   Тема подстраивается под Telegram WebApp (CSS-переменные --tg-theme-*),
   вне Telegram используется фирменная палитра студии.
   ========================================================================== */

:root {
  --bg: #f6f4fb;
  --surface: #ffffff;
  --surface-2: #f1edfa;
  --text: #1e1b2e;
  --muted: #6b6880;
  --border: #e3ddf2;
  --primary: #6c3ce9;
  --primary-strong: #5527c9;
  --primary-contrast: #ffffff;
  --accent: #f7b267;
  --danger: #d64545;
  --success: #2f9e63;
  --shadow: 0 10px 30px rgba(31, 17, 71, 0.09);
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1120px;
}

/* Тема Telegram: переменные подставляет сам клиент. */
body.tg-theme {
  --bg: var(--tg-theme-bg-color, #f6f4fb);
  --surface: var(--tg-theme-secondary-bg-color, #ffffff);
  --surface-2: var(--tg-theme-secondary-bg-color, #f1edfa);
  --text: var(--tg-theme-text-color, #1e1b2e);
  --muted: var(--tg-theme-hint-color, #6b6880);
  --border: var(--tg-theme-hint-color, #e3ddf2);
  --primary: var(--tg-theme-button-color, #6c3ce9);
  --primary-contrast: var(--tg-theme-button-text-color, #ffffff);
}

* { box-sizing: border-box; }

/* Атрибут hidden должен побеждать собственные display у блоков (.modal и др.). */
[hidden] { display: none !important; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }

button { font: inherit; cursor: pointer; }

a { color: var(--primary); text-decoration: none; }

.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* --- Верхняя панель ------------------------------------------------------ */
.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0 10px;
}

.brand { display: flex; align-items: center; gap: 12px; color: inherit; }

.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #9b5de5);
  color: #fff;
  font-weight: 700;
  font-size: 20px;
}

.brand__text { display: flex; flex-direction: column; }
.brand__text strong { font-size: 18px; }
.brand__text small { color: var(--muted); font-size: 12px; }

.topbar__nav { display: flex; gap: 8px; }

.navbtn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.navbtn:hover { border-color: var(--primary); }

.navbtn.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-contrast);
}

/* --- Контент ------------------------------------------------------------- */
.content { flex: 1 0 auto; padding-bottom: 32px; }

.view h1 { font-size: clamp(22px, 3vw, 30px); margin: 12px 0; }

.hero {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}

.hero__text { color: var(--muted); margin: 0 0 14px; max-width: 62ch; }

.hero__stats { display: flex; flex-wrap: wrap; gap: 10px; }

.stat {
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 13px;
  color: var(--muted);
}

.stat b { color: var(--text); font-size: 15px; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.switch { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }

.switch input { width: 18px; height: 18px; accent-color: var(--primary); }

.search {
  flex: 1 1 240px;
  max-width: 340px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
}

.search:focus, .input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }

/* --- Карточки мастер-классов -------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}

.card:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(31, 17, 71, 0.14); }

.card__cover {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #efe9ff, #ffe9d6);
  overflow: hidden;
}

.card__cover img { width: 100%; height: 100%; object-fit: cover; }

.card__cover--placeholder {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 100%;
  line-height: 1;
  opacity: 0.85;
}

/* Иконка-заглушка уходит под бейджи и не мешает читать подписи. */
.card__cover--placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #efe9ff, #ffe9d6);
}

.card__cover--placeholder::after {
  content: "🖼";
  position: relative;
  top: 14px;
  font-size: 34px;
  opacity: 0.4;
}

.card__badges {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 6px;
  pointer-events: none;
}

.badge {
  font-size: 12px;
  padding: 4px 9px;
  border-radius: 999px;
  /* Плотный фон: белый текст 12px должен читаться и поверх картинки-обложки. */
  background: rgba(24, 14, 54, 0.86);
  color: #fff;
}

/* Контраст каждого бейджа проверен: не ниже 4.5:1 для мелкого текста. */
.badge--full { background: #b52f2f; }
.badge--few { background: #a96211; }
.badge--ok { background: #1f7a4c; }

.card__body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }

.card__title { font-size: 17px; margin: 0; }

.card__meta { color: var(--muted); font-size: 13px; margin: 0; }

.card__row { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-top: 2px; }

.card__price { font-weight: 700; font-size: 17px; }

.card__seats { font-size: 13px; color: var(--muted); }

.card__desc {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__footer { margin-top: auto; }

.progress {
  height: 6px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
  margin-top: 2px;
}

.progress__bar { height: 100%; background: var(--primary); border-radius: 999px; transition: width 0.3s ease; }

/* --- Кнопки -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}

.btn:hover { border-color: var(--primary); }

.btn--primary { background: var(--primary); border-color: var(--primary); color: var(--primary-contrast); }

.btn--primary:hover { background: var(--primary-strong); border-color: var(--primary-strong); }

.btn--ghost { background: transparent; }

.btn--wide { width: 100%; }

.btn[disabled] { opacity: 0.55; cursor: not-allowed; }

/* --- Пустое состояние ---------------------------------------------------- */
.empty {
  display: grid;
  justify-items: center;
  gap: 14px;
  text-align: center;
  padding: 40px 16px;
  color: var(--muted);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.empty p { margin: 0; max-width: 46ch; }

.muted { color: var(--muted); }

/* --- Мои заявки ---------------------------------------------------------- */
.phonebox { display: flex; gap: 10px; margin: 16px 0; flex-wrap: wrap; }

/* Поле телефона не растягивается на всю ширину широкого экрана. */
.phonebox .input { flex: 1 1 220px; max-width: 320px; }

.bookings { display: grid; gap: 12px; margin-top: 16px; }

.booking {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: grid;
  gap: 6px;
}

.booking__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }

.booking__code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 600; }

.booking__status { font-size: 12px; padding: 3px 9px; border-radius: 999px; background: var(--surface-2); }

.booking__status--new { background: #fff2d9; color: #8a5a00; }
.booking__status--confirmed { background: #e2f6ea; color: #1d6b43; }
.booking__status--cancelled { background: #fde5e5; color: #96201f; }
.booking__status--attended { background: #e6ecff; color: #2a3f9e; }
.booking__status--no_show { background: #f0e6ff; color: #5b2ba8; }

.booking__meta { font-size: 13px; color: var(--muted); }

.booking__actions { display: flex; gap: 8px; margin-top: 6px; }

.link-btn {
  border: none;
  background: none;
  color: var(--danger);
  font-size: 13px;
  padding: 0;
  text-decoration: underline;
}

/* --- Модальное окно ------------------------------------------------------ */
.modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 16px; }

.modal__backdrop { position: absolute; inset: 0; background: rgba(20, 12, 45, 0.55); }

.modal__dialog {
  position: relative;
  width: min(560px, 100%);
  max-height: 92vh;
  overflow-y: auto;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 24px 60px rgba(15, 8, 40, 0.35);
  animation: pop 0.18s ease-out;
}

@keyframes pop {
  from { transform: translateY(12px) scale(0.98); opacity: 0; }
  to { transform: none; opacity: 1; }
}

.modal__close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.88);
  font-size: 22px;
  line-height: 1;
  color: #333;
  box-shadow: 0 2px 8px rgba(15, 8, 40, 0.18);
  z-index: 2;
}

.modal__close:hover { background: #fff; }

.modal__cover {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 14px;
  background: linear-gradient(135deg, #efe9ff, #ffe9d6);
  aspect-ratio: 4 / 3;
}

.modal__cover img { width: 100%; height: 100%; object-fit: cover; }

.modal__meta { color: var(--muted); font-size: 14px; margin: 4px 0 10px; }

.modal__desc { font-size: 14px; color: var(--text); opacity: 0.85; }

.seats {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 14px;
  margin: 12px 0;
}

.seats__price { font-size: 20px; font-weight: 700; }

.seats__hint { color: var(--muted); }

.seats__hint b { color: var(--text); }

/* --- Форма --------------------------------------------------------------- */
.form { display: grid; gap: 14px; }

.field { display: grid; gap: 6px; }

.field > span { font-size: 13px; color: var(--muted); }

.input {
  width: 100%;
  padding: 11px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}

textarea.input { resize: vertical; }

.field__error { color: var(--danger); font-size: 12px; font-style: normal; min-height: 0; }

.stepper { display: flex; align-items: center; gap: 8px; }

.stepper__btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 18px;
  color: var(--text);
}

.stepper__value { text-align: center; max-width: 90px; }

.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--muted); }

.checkbox input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--primary); }

.form__note { font-size: 13px; color: var(--muted); min-height: 18px; margin: 0; }

/* --- Успех --------------------------------------------------------------- */
.success { text-align: center; display: grid; gap: 12px; justify-items: center; }

.success__icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #e2f6ea;
  color: var(--success);
  font-size: 30px;
}

/* --- Тосты --------------------------------------------------------------- */
.toasts {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  display: grid;
  gap: 8px;
  z-index: 80;
  width: min(420px, calc(100% - 32px));
}

.toast {
  background: rgba(31, 17, 71, 0.94);
  color: #fff;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  box-shadow: var(--shadow);
  animation: pop 0.16s ease-out;
}

.toast--error { background: rgba(169, 38, 38, 0.95); }

.toast--success { background: rgba(31, 122, 76, 0.95); }

/* --- Скелетоны ----------------------------------------------------------- */
.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--border) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite;
  border-radius: var(--radius-sm);
}

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

.skeleton-card { height: 480px; border-radius: var(--radius); }

/* --- Подвал -------------------------------------------------------------- */
.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0 26px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
  margin-top: 24px;
}

/* --- Адаптив ------------------------------------------------------------- */
@media (max-width: 640px) {
  .topbar { padding-top: 12px; }

  .topbar__nav { width: 100%; }

  .navbtn { flex: 1; text-align: center; padding: 9px 12px; }

  .hero { padding: 16px; }

  .cards { grid-template-columns: 1fr; }

  /* Нижний лист: колонка на всю высоту, лист прижат к низу и не вылезает за экран. */
  .modal { display: flex; flex-direction: column; justify-content: flex-end; padding: 0; }

  .modal__dialog {
    width: 100%;
    max-height: calc(100vh - 24px);
    border-radius: var(--radius) var(--radius) 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}