:root {
  --bg-dark: #f8fafc;
  --bg-panel: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --border-line: #e2e8f0;
  --accent-like: #ff3b69;
  --accent-nope: #ef4444;
  --accent-super: #0ea5e9;
  --accent-gradient: linear-gradient(135deg, #ff3b69 0%, #ff7854 100%);
  --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-card: 0 12px 32px rgba(15, 23, 42, 0.10);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: #edf2f7;
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
}

.app-container {
  width: 100%;
  max-width: 420px;
  height: 100vh;
  max-height: 880px;
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

@media (min-width: 481px) {
  .app-container {
    border-radius: 36px;
    border: 8px solid #ffffff;
  }
}

/* Шапка приложения */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-line);
  z-index: 10;
  flex-shrink: 0;
}

.brand {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-line);
  background: var(--bg-panel);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, background 0.2s ease;
}

.icon-btn:hover {
  background: #f1f5f9;
  transform: scale(1.05);
}

.icon-btn:active {
  transform: scale(0.95);
}

/* Экраны приложения */
.view-screen {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  padding: 14px 16px;
}

.view-screen.active {
  display: flex;
}

/* Экран авторизации */
.auth-overlay {
  position: absolute;
  inset: 0;
  background: #ffffff;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-overlay.hidden {
  display: none;
}

.auth-box {
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.auth-logo {
  font-size: 2.2rem;
  margin-bottom: 4px;
}

.auth-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.auth-tabs {
  display: flex;
  background: #f1f5f9;
  border-radius: 14px;
  padding: 4px;
  margin-bottom: 20px;
}

.auth-tab {
  flex: 1;
  padding: 10px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.auth-tab.active {
  background: #ffffff;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.field-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: -4px;
}

.auth-input {
  width: 100%;
  padding: 13px 16px;
  border-radius: 14px;
  border: 1px solid var(--border-line);
  background: #ffffff;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.auth-input:focus {
  border-color: var(--accent-like);
}

.primary-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 14px;
  background: var(--accent-gradient);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(255, 59, 105, 0.28);
  transition: transform 0.15s ease, opacity 0.2s ease;
  margin-top: 6px;
}

.primary-btn:active {
  transform: scale(0.97);
}

.secondary-btn {
  padding: 12px 20px;
  border-radius: 14px;
  border: 1px solid var(--border-line);
  background: #ffffff;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.auth-error {
  color: var(--accent-nope);
  font-size: 0.82rem;
  min-height: 18px;
  font-weight: 600;
}

/* Юридический чекбокс */
.legal-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 4px;
  cursor: pointer;
}

.legal-checkbox-row input {
  margin-top: 2px;
  accent-color: var(--accent-like);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.legal-link {
  color: var(--accent-super);
  text-decoration: underline;
  cursor: pointer;
}

/* Фильтры в ленте */
.feed-filter-bar {
  margin-bottom: 10px;
  flex-shrink: 0;
}

.filter-toggle-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: 14px;
  color: var(--text-primary);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.filter-panel {
  display: none;
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-card);
  flex-shrink: 0;
}

.filter-panel.open {
  display: block;
}

.filter-row {
  display: flex;
  gap: 10px;
}

.filter-col {
  flex: 1;
}

.filter-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

/* Профиль — Галерея фото */
.photo-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

.photo-slot {
  position: relative;
  aspect-ratio: 1 / 1.25;
  border-radius: 14px;
  background-size: cover;
  background-position: center;
  border: 2px solid var(--border-line);
  overflow: hidden;
}

.photo-slot.is-main {
  border-color: var(--accent-like);
}

.photo-main-badge {
  position: absolute;
  bottom: 6px;
  left: 6px;
  background: var(--accent-like);
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 6px;
}

.photo-slot-actions {
  position: absolute;
  top: 6px;
  right: 6px;
  display: flex;
  gap: 4px;
}

.photo-mini-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 23, 42, 0.75);
  color: #ffffff;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.photo-add-slot {
  aspect-ratio: 1 / 1.25;
  border-radius: 14px;
  border: 2px dashed var(--border-line);
  background: #f1f5f9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.profile-upload-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 10px;
}

.profile-status-msg {
  font-size: 0.82rem;
  font-weight: 700;
  min-height: 18px;
  text-align: center;
  margin-top: 6px;
}

/* Модальное окно Match */
.match-modal {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  z-index: 250;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
}

.match-modal.show {
  display: flex;
}

.match-title {
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

.match-subtitle {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

.match-avatars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
}

.match-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  border: 4px solid #ffffff;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.match-avatar:first-child {
  transform: rotate(-8deg) translateX(10px);
}

.match-avatar:last-child {
  transform: rotate(8deg) translateX(-10px);
}

/* Нижняя навигация */
.bottom-nav {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 10px 16px 20px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border-line);
  flex-shrink: 0;
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 10px 18px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.nav-btn.active {
  color: var(--accent-like);
  background: rgba(255, 59, 105, 0.08);
}

/* Стили подвала профиля */
.app-footer {
  margin-top: 32px;
  padding: 24px 16px 32px;
  background: #f8fafc;
  border-top: 1px solid var(--border-line);
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
  border-radius: 16px;
}

.footer-brand-info {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--accent-super);
  text-decoration: underline;
  font-weight: 600;
  cursor: pointer;
}

.footer-dot {
  color: var(--border-line);
}

.footer-badge-18 {
  display: inline-block;
  padding: 2px 6px;
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-nope);
  border-radius: 6px;
  font-weight: 800;
  font-size: 0.72rem;
}

/* Адаптивный логотип Zilo */
.logo-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px 0;
}

.logo-link {
  display: inline-block;
  line-height: 0;
}

.zilo-logo {
  width: 100%;
  max-width: 130px;
  height: auto;
  object-fit: contain;
}

/* Чуть крупнее на экране входа */
.auth-logo-wrap .zilo-logo {
  max-width: 160px;
  margin-bottom: 8px;
}

/* Адаптация под мобильные экраны */
@media (max-width: 480px) {
  .zilo-logo {
    max-width: 95px;
  }
  .auth-logo-wrap .zilo-logo {
    max-width: 135px;
  }
}