/* Базовый слой: сброс, типографика, контейнер, кнопки, формы, состояния. */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-text);
  background: var(--c-bg);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-primary-action); }
button { font: inherit; color: inherit; }

h1, h2, h3, h4 { margin: 0 0 12px; font-weight: 700; color: var(--c-text); }
h1 { font-size: var(--fs-h1); line-height: var(--lh-h1); }
h2 { font-size: var(--fs-h2); line-height: var(--lh-h2); }
h3 { font-size: var(--fs-h3); line-height: var(--lh-h3); }
p { margin: 0 0 12px; }
ul, ol { margin: 0 0 12px; padding-left: 20px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-gap) 0; }
.section--soft { background: var(--c-surface); }
.section__head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--gap); margin-bottom: var(--gap-lg); }

.text-muted { color: var(--c-text-2); }
.text-sale { color: var(--c-sale); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --- Кнопки --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--control-h); padding: 0 20px; border: 1px solid transparent;
  border-radius: var(--r-sm); background: var(--c-primary); color: #fff;
  font-weight: 600; font-size: 15px; cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.btn:hover { background: var(--c-primary-action); color: #fff; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn--outline { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn--outline:hover { background: var(--c-primary-soft); color: var(--c-primary); }
.btn--ghost { background: transparent; color: var(--c-text); border-color: var(--c-border); }
.btn--ghost:hover { border-color: var(--c-primary); color: var(--c-primary); background: transparent; }
.btn--block { width: 100%; }
.btn--sm { min-height: 36px; padding: 0 14px; font-size: 14px; }
.btn--icon { min-height: var(--control-h); width: var(--control-h); padding: 0; }

/* --- Формы --- */
.input, .select, .textarea {
  width: 100%; min-height: var(--control-h); padding: 10px 14px;
  border: 1px solid var(--c-border); border-radius: var(--r-sm);
  background: var(--c-surface); color: var(--c-text); font: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-soft);
}
.textarea { min-height: 96px; resize: vertical; }
.field { margin-bottom: 16px; }
.field__label { display: block; margin-bottom: 6px; font-size: var(--fs-sm); font-weight: 600; }
.field__hint { margin-top: 6px; font-size: var(--fs-xs); color: var(--c-text-2); }
.field__error { margin-top: 6px; font-size: var(--fs-xs); color: var(--c-sale); }

/* --- Бейджи --- */
.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px;
  border-radius: var(--r-pill); background: var(--c-primary-soft); color: var(--c-primary);
  font-size: var(--fs-xs); font-weight: 600;
}
.badge--sale { background: var(--c-sale); color: #fff; }
.badge--muted { background: var(--c-bg); color: var(--c-text-2); border: 1px solid var(--c-border); }

/* --- Состояния: загрузка, пусто, ошибка --- */
.skeleton {
  background: linear-gradient(90deg, #EFF1ED 25%, #F7F8F5 37%, #EFF1ED 63%);
  background-size: 400% 100%; animation: skeleton 1.2s ease infinite; border-radius: var(--r-sm);
}
@keyframes skeleton { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

.state { padding: 48px 16px; text-align: center; color: var(--c-text-2); }
.state__title { margin-bottom: 6px; font-size: var(--fs-h3); color: var(--c-text); font-weight: 600; }

.notice {
  padding: 14px 16px; border-radius: var(--r-md); border: 1px solid var(--c-border);
  background: var(--c-surface); color: var(--c-text);
}
.notice--warning { background: var(--c-warning-bg); border-color: #F1DCC0; }
.notice--error { background: #FBEDEC; border-color: #F0CFCB; }
.notice--success { background: var(--c-primary-soft); border-color: #CFE0C6; }

.toasts { position: fixed; right: 16px; bottom: 16px; z-index: 90; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 12px 16px; border-radius: var(--r-sm); background: var(--c-text); color: #fff;
  box-shadow: var(--shadow-md); font-size: var(--fs-sm); animation: toast-in .2s ease;
}
.toast--error { background: var(--c-sale); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }