/* ===== ТОНКАЯ, ВОЗДУШНАЯ СИСТЕМА ДИЗАЙНА — ОБЩИЕ СТИЛИ ===== */
:root {
  --bg-deep: #0b0e12;
  --bg-soft: #11161c;
  --bg-card: #171d24;
  --bg-hover: #1e262e;
  --accent-light: #00ffb3;
  --accent-glow: rgba(0, 255, 179, 0.08);
  --accent-gradient: linear-gradient(145deg, #00ffb3, #00d0ff);
  --text-primary: rgba(255, 255, 255, 0.92);
  --text-secondary: rgba(255, 255, 255, 0.65);
  --text-tertiary: rgba(255, 255, 255, 0.4);
  --border-glass: rgba(255, 255, 255, 0.03);
  --border-hover: rgba(0, 255, 179, 0.15);
  --success: #00e6b3;
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 100px;
  --font-main: 'Inter', -apple-system, sans-serif;
}

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

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--sp-4) var(--sp-6);
}

/* ===== ХЕДЕР ===== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  margin-bottom: var(--sp-6);
  background: rgba(11, 14, 18, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  padding: 0 var(--sp-5);
  position: sticky;
  top: var(--sp-4);
  z-index: 100;
}

.logo-area { display: flex; align-items: center; gap: var(--sp-2); }

.burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-soft);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.logo {
  font-size: 1.7rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: white;
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  text-decoration: none;
}
.logo i, .logo span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.5rem;
}
.logo span { font-weight: 400; }

.search-wrapper { flex: 0 1 320px; }
.search-form {
  display: flex;
  align-items: center;
  background: var(--bg-soft);
  border-radius: var(--radius-full);
  padding: 10px var(--sp-5);
  border: 1px solid var(--border-glass);
}
.search-form i { color: var(--text-tertiary); margin-right: var(--sp-2); font-size: 0.95rem; }
.search-input {
  background: transparent;
  border: none;
  width: 100%;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-primary);
  outline: none;
}
.search-input::placeholder { color: var(--text-tertiary); }

.header-actions { display: flex; align-items: center; gap: var(--sp-2); }
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-soft);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.icon-btn:hover { border-color: var(--accent-light); color: var(--accent-light); }

.cart-badge { position: relative; }
.icon-btn { position: relative; }
.cart-count,
.notif-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--accent-light);
  color: #0b0e12;
  font-size: 0.65rem;
  font-weight: 600;
  min-width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(145deg, #1f2a33, #13191f);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--accent-light);
  border: 1px solid rgba(0, 255, 179, 0.2);
  text-decoration: none;
  overflow: hidden;
}

/* Мобильное меню */
.mobile-nav {
  display: none;
  position: fixed;
  top: 76px;
  left: var(--sp-4);
  right: var(--sp-4);
  background: var(--bg-soft);
  backdrop-filter: blur(30px);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  border: 1px solid var(--border-glass);
  z-index: 99;
  transform: translateY(-150%);
  transition: 0.3s ease;
}
.mobile-nav.active { transform: translateY(0); }
.mobile-nav-user {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}
.mobile-avatar {
  width: 56px;
  height: 56px;
  background: linear-gradient(145deg, #1f2a33, #13191f);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-size: 1.2rem;
  border: 1px solid rgba(0,255,179,0.2);
}
.mobile-name { font-weight: 400; color: white; }
.mobile-email { font-size: 0.75rem; color: var(--text-tertiary); }
.mobile-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}
.mobile-links a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: var(--sp-4);
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
}
.mobile-links a i { font-size: 1.6rem; }

@media (max-width: 1024px) {
  .burger { display: flex; }
  .search-wrapper { display: none; }
}
@media (max-width: 768px) {
  .app { padding: var(--sp-3) var(--sp-4); padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px)); }
}

/* Мобильная нижняя навигация */
.mobile-bottom-nav {
  display: none;
}
@media (max-width: 768px) {
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(11, 14, 18, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-glass);
    padding: var(--sp-2) var(--sp-2) calc(var(--sp-2) + env(safe-area-inset-bottom, 0px));
    z-index: 95;
    justify-content: space-around;
    align-items: stretch;
  }
  .mobile-bottom-nav a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: var(--sp-2) var(--sp-1);
    text-decoration: none;
    color: var(--text-tertiary);
    font-size: 0.62rem;
    font-weight: 400;
    border-radius: var(--radius-md);
    position: relative;
    transition: color 0.2s;
    min-width: 0;
  }
  .mobile-bottom-nav a i { font-size: 1.15rem; }
  .mobile-bottom-nav a.active { color: var(--accent-light); }
  .mobile-bottom-nav a span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
  .mob-nav-badge {
    position: absolute;
    top: 2px;
    right: calc(50% - 18px);
    background: var(--accent-light);
    color: #0b0e12;
    font-size: 0.55rem;
    font-weight: 600;
    font-style: normal;
    min-width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
  }
  .scroll-top {
    bottom: calc(68px + env(safe-area-inset-bottom, 0px));
    right: var(--sp-4);
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .mobile-links { grid-template-columns: repeat(2, 1fr); }
  .app { padding: var(--sp-2) var(--sp-3); }
  .header { height: 52px; padding: 0 var(--sp-3); margin-bottom: var(--sp-4); }
  .logo { font-size: 1.4rem; }
  .logo i, .logo span { font-size: 1.2rem; }
  .icon-btn { width: 36px; height: 36px; font-size: 1rem; }
}

/* Кнопка «Наверх» */
.scroll-top {
  position: fixed;
  bottom: calc(var(--sp-5) + env(safe-area-inset-bottom, 0px));
  right: calc(var(--sp-5) + env(safe-area-inset-right, 0px));
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-soft);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s, visibility 0.25s, transform 0.25s, border-color 0.2s, color 0.2s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top:hover {
  border-color: var(--accent-light);
  color: var(--accent-light);
}
body.auth-page .scroll-top { display: none; }