/* Design system golos.pulab.ru — тёплый терракот + editorial serif для женщин 45+ */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Палитра: Recipe & Cooking, сдвинуто в зрелый терракот */
  --color-primary: #B85C3E;          /* мягкий коралл-терракот (не "грязно-коричневый") */
  --color-primary-hover: #D67254;    /* hover — теплее и ярче */
  --color-primary-soft: #FAE5D8;     /* очень светлый коралл для фонов */

  --color-bg: #FBF7F0;               /* кремовый */
  --color-bg-deep: #F4ECDF;          /* низ градиента */
  --color-bg-gradient: linear-gradient(180deg, #FBF7F0 0%, #F4ECDF 100%);

  --color-card: rgba(255, 252, 247, 0.92);
  --color-card-border: rgba(184, 92, 62, 0.10);

  --color-foreground: #2A2522;       /* тёплый угольный */
  --color-muted: #8B7B6E;
  --color-muted-soft: #C4B5A8;

  --color-success: #7A9E7A;          /* приглушённый шалфей */
  --color-accent: #C97B6A;           /* мягкий розово-коралловый */
  --color-destructive: #B85C5C;
  --color-divider: rgba(184, 92, 62, 0.10);

  --shadow-card: 0 4px 16px rgba(154, 52, 18, 0.06);
  --shadow-card-hover: 0 6px 20px rgba(154, 52, 18, 0.10);
  --radius: 16px;
  --radius-btn: 12px;
  --radius-input: 8px;

  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-foreground);
  background: var(--color-bg);
  background-image: var(--color-bg-gradient);
  background-attachment: fixed;
  min-height: 100vh;
  padding: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding-bottom: 32px;
}

/* ===== Typography ===== */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--color-foreground);
  line-height: 1.3;
}

h1 {
  font-size: clamp(1.875rem, 5vw, 2.5rem);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.375rem, 4vw, 1.75rem);
  margin: 24px 0 12px;
  letter-spacing: -0.005em;
}

h3 {
  font-size: 1.125rem;
  margin: 16px 0 8px;
}

p { margin-bottom: 12px; }

p.lead {
  font-size: 1.125rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.muted { color: var(--color-muted); font-size: 15px; }
.caption { font-size: 13px; color: var(--color-muted); }

/* ===== Card ===== */
.card {
  background: var(--color-card);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
}

/* Hero — увеличенный внутренний padding для заголовка страницы */
.card.hero {
  text-align: center;
  padding: 40px 24px;
}

.card.hero h1 {
  font-size: clamp(2rem, 6vw, 2.75rem);
}

.card.hero p.lead {
  margin-top: 12px;
}

/* Divider — тонкая линия-разделитель */
.divider {
  height: 1px;
  background: var(--color-divider);
  border: 0;
  margin: 24px 0;
}

/* ===== Buttons — editorial outline (без тёмной заливки) ===== */
button, .btn {
  display: inline-block;
  width: 100%;
  min-height: 52px;
  padding: 13px 22px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--color-primary);
  background: transparent;
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-btn);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.22s ease-out, color 0.22s ease-out, transform 0.15s ease-out, border-color 0.22s ease-out;
}

button:hover, .btn:hover {
  background: var(--color-primary);
  color: #FFFDF8;
  border-color: var(--color-primary);
}

button:active, .btn:active {
  transform: scale(0.985);
}

button:disabled, .btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Solid-вариант для одной главной CTA на странице */
.btn-primary {
  background: var(--color-primary);
  color: #FFFDF8;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #FFFDF8;
}

/* Ripple отключён для outline-кнопок (white-на-fill читается плохо),
   оставлен только loading-spinner и press-scale */
  100% { transform: translate(-50%, -50%) scale(40);  opacity: 0; }
}
*/
@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn-secondary {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: #FDBA74;
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-ghost:hover {
  background: rgba(154, 52, 18, 0.05);
}

/* ===== Inputs ===== */
input, textarea, select {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 17px;
  color: var(--color-foreground);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(154, 52, 18, 0.15);
  border-radius: var(--radius-input);
  margin-bottom: 12px;
  transition: border-color 0.2s ease-out, background-color 0.2s ease-out;
}

textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  background: white;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-foreground);
  margin-bottom: 6px;
}

label .hint {
  font-weight: 400;
  color: var(--color-muted);
  font-size: 13px;
  margin-left: 4px;
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.tab {
  flex: 1;
  padding: 14px 12px;
  text-align: center;
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-btn);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-foreground);
  transition: all 0.2s ease-out;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ===== Lesson cards ===== */
.lesson-card {
  cursor: pointer;
  transition: transform 0.15s ease-out, box-shadow 0.2s ease-out;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
}

.lesson-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.lesson-card:active { transform: scale(0.99); }

.lesson-card.completed {
  border-color: rgba(107, 142, 107, 0.3);
}

.lesson-card-body { flex: 1; min-width: 0; }

.lesson-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-radius: 50%;
  font-weight: 600;
  font-size: 15px;
  font-family: var(--font-serif);
}

.lesson-num.done {
  background: var(--color-success);
  color: white;
}

.lesson-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.125rem;
  margin-bottom: 4px;
  line-height: 1.3;
}

.lesson-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--color-muted);
}

/* ===== Progress ===== */
.progress {
  height: 6px;
  background: rgba(154, 52, 18, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin: 16px 0;
}

.progress-bar {
  height: 100%;
  background: var(--color-primary);
  transition: width 0.3s ease-out;
  border-radius: 3px;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-foreground);
  color: var(--color-bg);
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 15px;
  box-shadow: 0 4px 16px rgba(45, 27, 15, 0.2);
  z-index: 100;
  animation: toastIn 0.2s ease-out;
}

@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 12px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ===== Disclaimer / callout ===== */
.disclaimer {
  background: rgba(154, 52, 18, 0.04);
  border-left: 3px solid var(--color-primary-soft);
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--color-muted);
  margin: 20px 0;
  line-height: 1.6;
}

/* ===== Header ===== */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 8px 0;
}

.header h1 {
  font-size: 1.5rem;
  margin: 0;
}

.logout {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  background: none;
  border: none;
  padding: 8px 12px;
  min-height: auto;
  width: auto;
  cursor: pointer;
}

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

/* ===== Tariff cards ===== */
.tariff {
  border: 2px solid transparent;
  position: relative;
}

.tariff.recommended {
  border-color: var(--color-primary);
}

.tariff.recommended::before {
  content: "Рекомендую";
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--color-primary);
  color: white;
  padding: 4px 12px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.tariff .price {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1.2;
}

.tariff .price-old {
  text-decoration: line-through;
  color: var(--color-muted);
  font-size: 18px;
  margin-left: 8px;
  font-weight: 400;
}

/* ===== Emotion picker ===== */
.emotion-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0;
}

.emotion-btn {
  min-height: 48px;
  padding: 10px 8px;
  background: rgba(255, 255, 255, 0.6);
  border: 1.5px solid rgba(154, 52, 18, 0.12);
  border-radius: var(--radius-input);
  font-size: 15px;
  color: var(--color-foreground);
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 500;
  transition: all 0.2s ease-out;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.emotion-btn:hover {
  border-color: var(--color-primary);
  background: rgba(154, 52, 18, 0.04);
}

.emotion-btn.selected {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== Link back ===== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  margin-bottom: 16px;
  padding: 6px 0;
}

.back-link:hover {
  color: var(--color-primary-hover);
}

/* ===== Form blocks ===== */
.form-row {
  margin-bottom: 16px;
}

.form-toggle {
  display: flex;
  background: rgba(154, 52, 18, 0.06);
  border-radius: var(--radius-btn);
  padding: 4px;
  margin-bottom: 20px;
}

.form-toggle-btn {
  flex: 1;
  min-height: 44px;
  padding: 10px;
  border-radius: 8px;
  background: transparent;
  color: var(--color-muted);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease-out;
}

.form-toggle-btn.active {
  background: white;
  color: var(--color-foreground);
  box-shadow: 0 1px 3px rgba(154, 52, 18, 0.1);
}

/* ===== Animations ===== */

/* Fade-in для карточек при появлении в viewport */
.card { opacity: 0; transform: translateY(12px); }
.card.in-view { animation: fadeUp 0.39s ease-out forwards; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Hero — появляется чуть раньше (стартовая карточка) */
.card.hero {
  animation: fadeUp 0.5s ease-out forwards;
  animation-delay: 0.05s;
}

/* Stagger для последовательных уроков (через :nth-child) */
#lessons-list .card.lesson-card:nth-child(1) { animation-delay: 0.05s; }
#lessons-list .card.lesson-card:nth-child(2) { animation-delay: 0.10s; }
#lessons-list .card.lesson-card:nth-child(3) { animation-delay: 0.15s; }
#lessons-list .card.lesson-card:nth-child(4) { animation-delay: 0.20s; }
#lessons-list .card.lesson-card:nth-child(5) { animation-delay: 0.25s; }
#lessons-list .card.lesson-card:nth-child(6) { animation-delay: 0.30s; }
#lessons-list .card.lesson-card:nth-child(7) { animation-delay: 0.35s; }
#lessons-list .card.lesson-card:nth-child(8) { animation-delay: 0.40s; }
#lessons-list .card.lesson-card:nth-child(n+9) { animation-delay: 0.45s; }

/* Hero — мягкое дыхание фона (4с, еле заметное) */
.card.hero {
  position: relative;
  overflow: hidden;
}
.card.hero::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto -10%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(201, 123, 106, 0.18) 0%, transparent 60%);
  animation: heroBreath 5s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}
.card.hero > * { position: relative; z-index: 1; }
@keyframes heroBreath {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.08); }
}

/* Прогресс-бар кабинета — заполнение анимируется через transition уже есть (width 0.3s) */

/* Чтобы анимация не запускалась повторно при перерендере */
.card.lesson-card { animation-duration: 0.35s; }

/* Reading progress для lesson.html */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--color-primary);
  width: 0%;
  z-index: 1000;
  transition: width 0.1s ease-out;
}

/* Subtle hover-lift для интерактивных карточек */
.lesson-card { transition: transform 0.2s ease-out, box-shadow 0.2s ease-out; }
.lesson-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-card-hover); }

/* Slide-in для табов формы (login/register) */
#form-login, #form-register {
  animation: slideUp 0.28s cubic-bezier(0.2, 0.7, 0.3, 1);
  transform-origin: top center;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Emotion-grid — выбранная кнопка */
.emotion-btn.selected {
  animation: emotionPop 0.32s cubic-bezier(0.2, 0.9, 0.3, 1.3);
}
@keyframes emotionPop {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}

/* Вес только что записан — мягкая подсветка */
.weight-row.is-new {
  animation: highlightNew 1.2s ease-out;
}
@keyframes highlightNew {
  0%   { background: rgba(154, 52, 18, 0.18); }
  100% { background: transparent; }
}

/* Кнопка "Сохранить" в уроке — успех */
.btn-saved {
  animation: saved 0.6s ease-out !important;
}
@keyframes saved {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.04); background: var(--color-success); }
  100% { transform: scale(1); }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .card { opacity: 1; transform: none; }
}

/* ===== Responsive ===== */
@media (min-width: 768px) {
  body { padding: 32px; }
  .card { padding: 32px; }
  .card.hero { padding: 56px 40px; }
  .container { padding-bottom: 48px; }
}

@media (min-width: 1024px) {
  body { padding: 40px; }
}