/* ===================================================
   FormMaster — Styles (merged)
   Приоритет: новый styles.css (Syne + Manrope, CSS-переменные)
   Дополнено: уникальные компоненты из старого style.css
   Light / Dark themes via [data-theme]
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=Manrope:wght@400;500;600&display=swap');

/* ===== DARK THEME (default) ===== */
:root,
[data-theme="dark"] {
  --bg:            #0C0D10;
  --bg-surface:    #13141A;
  --bg-card:       #181920;
  --bg-card-hover: #1E2029;
  --border:        rgba(255,255,255,0.07);
  --border-light:  rgba(255,255,255,0.12);
  --text-primary:   #F0F1F5;
  --text-secondary: rgba(240,241,245,0.8);
  --text-muted:     rgba(240,241,245,0.45);
  --text-link:      #8ab4f8;
  --surface-strong: #1B1D24;
  --surface-soft:   #161823;
  --border-strong:  rgba(255,255,255,0.16);
  --focus-ring:     rgba(66,133,244,0.35);
  --accent:        #4285F4;
  --accent-soft:   rgba(66,133,244,0.12);
  --accent-mid:    rgba(66,133,244,0.25);
  --accent-glow:   rgba(66,133,244,0.4);
  --green:         #0F9D58;
  --green-bg:      rgba(15,157,88,0.14);
  --yellow:        #FBBC04;
  --nav-bg:        rgba(12,13,16,0.85);
  --shadow-sm:  0 2px 12px rgba(0,0,0,0.35);
  --shadow:     0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.6);
  --icon-sun-display:  block;
  --icon-moon-display: none;

  --bg-body:           #0C0D10;
  --bg-elevated:       #181920;
  --bg-elevated-subtle:#13141A;
  --text-main:         #F0F1F5;
  --border-subtle:     rgba(255,255,255,0.07);
  --accent-strong:     #3b82f6;
  --danger:  #f97373;
  --warning: #fb923c;
  --success: #22c55e;
  --shadow-soft: 0 18px 45px rgba(0,0,0,0.55);
  --success-color: #22c55e;
  --error-color:   #f97373;
  --primary-color: #4285F4;
  --text-muted-compat: rgba(240,241,245,0.32);
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
  --bg:            #F4F5F9;
  --bg-surface:    #FFFFFF;
  --bg-card:       #FFFFFF;
  --bg-card-hover: #EEF2FF;
  --border:        rgba(0,0,0,0.07);
  --border-light:  rgba(0,0,0,0.13);
  --text-primary:   #111827;
  --text-secondary: rgba(17,24,39,0.74);
  --text-muted:     rgba(17,24,39,0.5);
  --text-link:      #2563eb;
  --surface-strong: #f0f4ff;
  --surface-soft:   #f8fbff;
  --border-strong:  rgba(0,0,0,0.16);
  --focus-ring:     rgba(26,111,238,0.24);
  --accent:        #1A6FEE;
  --accent-soft:   rgba(26,111,238,0.08);
  --accent-mid:    rgba(26,111,238,0.2);
  --accent-glow:   rgba(26,111,238,0.3);
  --green:         #0B8A49;
  --green-bg:      rgba(11,138,73,0.1);
  --yellow:        #B45309;
  --nav-bg:        rgba(244,245,249,0.9);
  --shadow-sm:  0 2px 12px rgba(0,0,0,0.07);
  --shadow:     0 8px 32px rgba(0,0,0,0.1);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.12);
  --icon-sun-display:  none;
  --icon-moon-display: block;

  --bg-body:           #F4F5F9;
  --bg-elevated:       #FFFFFF;
  --bg-elevated-subtle:#f9fafb;
  --text-main:         #111827;
  --border-subtle:     #e5e7eb;
  --accent-strong:     #1d4ed8;
  --danger:  #dc2626;
  --warning: #ea580c;
  --success: #16a34a;
  --shadow-soft: 0 18px 45px rgba(15,23,42,0.12);
  --success-color: #16a34a;
  --error-color:   #dc2626;
  --primary-color: #1A6FEE;
  --text-muted-compat: #4b5563;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Manrope', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

button, input, select, textarea {
  font: inherit;
}

button, [role="button"], .btn-primary, .btn-outline, .theme-toggle, .lang-btn, .footer-link, .mobile-link, .cur-btn, .ftr-close {
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

a { text-decoration: none; color: inherit; }
a:hover { text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: 'Syne', sans-serif; line-height: 1.15; }
h4, h5, h6  { line-height: 1.3; }

h1 { font-size: 2.4rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.5rem; }

p { margin-top: 0; margin-bottom: 1em; color: var(--text-secondary); }

ul, ol { margin-bottom: 1em; padding-left: 25px; }
li { margin-bottom: 0.5em; }

.theme-transitioning,
.theme-transitioning *,
.theme-transitioning *::before,
.theme-transitioning *::after {
  transition:
    background-color 0.3s ease,
    border-color 0.3s ease,
    color 0.3s ease,
    box-shadow 0.3s ease !important;
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

button:focus-visible,
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.theme-toggle:focus-visible,
.lang-btn:focus-visible,
.nav-link:focus-visible,
.mobile-link:focus-visible,
.footer-link:focus-visible,
.cur-btn:focus-visible,
.ftr-close:focus-visible,
.help-root .lang-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

/* ===== Layout ===== */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 15px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.18s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px var(--accent-glow); }
.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: transparent;
  color: var(--text-primary);
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 15px;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.18s ease, border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-sm { padding: 9px 18px; font-size: 14px; border-radius: 10px; }

/* ===== Theme Toggle ===== */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  cursor: pointer;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.15s ease;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  transform: scale(1.06);
}
.theme-toggle:active { transform: scale(0.95); }

.icon-sun  { display: var(--icon-sun-display); }
.icon-moon { display: var(--icon-moon-display); }

.theme-toggle--mobile {
  width: auto; height: auto;
  padding: 0; border: none; background: none;
  gap: 6px;
}
.theme-label {
  font-size: 14px; font-weight: 500;
  color: var(--text-secondary);
}

/* ===== Section Headers ===== */
.section-header { text-align: center; margin-bottom: 60px; }

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-mid);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
}

/* ===== Appear Animation ===== */
.appear {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.appear.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after,
  .appear,
  .appear.visible,
  .btn-primary,
  .btn-outline,
  .theme-toggle,
  .lang-btn,
  .mobile-link,
  .feature-card,
  .btn-upgrade,
  .btn-cancel-sub {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    scroll-behavior: auto;
  }
}

/* ===== NAVIGATION ===== */
.nav-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 0;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.2s ease;
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-text {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.nav-link {
  padding: 7px 13px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--border);
}

.mobile-link.active {
  color: var(--text-primary);
  background: var(--border);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  margin-left: auto;
}

.lang-switcher { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.lang-btn {
  color: var(--text-secondary);
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: rgba(255,255,255,0.04);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.lang-btn:hover, .lang-btn.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.08);
  border-color: var(--border-light);
}
.lang-divider { color: var(--text-muted); }

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.mobile-menu-btn span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }

.mobile-link {
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}
.mobile-link:hover { color: var(--text-primary); background: var(--border); }

.mobile-lang {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ===== Features ===== */
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px; padding: 28px;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease, background 0.3s ease;
}
.feature-card:hover { border-color: var(--border-light); background: var(--bg-card-hover); transform: translateY(-3px); box-shadow: var(--shadow); }

.feature-icon {
  width: 52px; height: 52px;
  background: var(--accent-soft); border: 1px solid var(--accent-mid);
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  color: var(--accent); margin-bottom: 20px;
}
.feature-title { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
.feature-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

/* ===== FOOTER ===== */
.footer { border-top: 1px solid var(--border); padding: 40px 0; background: var(--bg-surface); }
.footer-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; margin-bottom: 32px; padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.footer-nav { display: flex; align-items: center; gap: 4px; }
.footer-link { padding: 6px 12px; font-size: 14px; font-weight: 500; color: var(--text-secondary); border-radius: 8px; transition: color 0.15s ease; }
.footer-link:hover { color: var(--text-primary); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-copy { font-size: 13px; color: var(--text-secondary); }
.footer-legal { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); }
.footer-legal-link { color: var(--accent); transition: color 0.15s ease; }
.footer-legal-link:hover { color: var(--accent); }

/* ===== Subscription page ===== */
.subscription-card {
  background: var(--bg-card);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 2px solid var(--border);
}
.subscription-card.active  { border-color: var(--success); background: linear-gradient(135deg, rgba(15,157,88,0.05) 0%, var(--bg-card) 100%); }
.subscription-card.expiring{ border-color: var(--yellow);  background: linear-gradient(135deg, rgba(251,188,4,0.05) 0%, var(--bg-card) 100%); }
.subscription-card.expired { border-color: var(--danger);  background: linear-gradient(135deg, rgba(249,115,115,0.05) 0%, var(--bg-card) 100%); }

.status-badge {
  font-size: 0.8rem;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.status-active   { background: rgba(15,157,88,0.15);  color: var(--success); border: 1px solid rgba(15,157,88,0.3); }
.status-expiring { background: rgba(251,188,4,0.15);  color: var(--yellow);  border: 1px solid rgba(251,188,4,0.3); }
.status-expired  { background: rgba(249,115,115,0.15);color: var(--danger);  border: 1px solid rgba(249,115,115,0.3); }

.limit-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.limit-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #6610f2);
  transition: width 0.6s ease;
}
.limit-text { font-size: 0.85rem; color: var(--text-muted); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.feature-item {
  background: var(--bg-surface);
  padding: 1rem;
  border-radius: 10px;
  border-left: 4px solid var(--accent);
}

.action-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.btn-upgrade {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #6610f2, var(--accent));
  border: none;
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.btn-upgrade:hover { transform: translateY(-2px); box-shadow: 0 5px 20px rgba(102,16,242,0.4); }

.btn-cancel-sub {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}
.btn-cancel-sub:hover { border-color: var(--danger); color: var(--danger); background: rgba(249,115,115,0.08); transform: translateY(-2px); }

.payment-history-list { margin-top: 1.5rem; }
.history-item {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.history-item:last-child { border-bottom: none; }
.history-amount { font-weight: 700; color: var(--success); }
.history-status {
  font-size: 0.8rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: rgba(15,157,88,0.15);
  color: var(--success);
}

.alert-box {
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  margin-top: 1.5rem;
  border: 1px solid;
}
.alert-box.warning { background: rgba(251,188,4,0.1); border-color: rgba(251,188,4,0.3); }
.alert-box.info    { background: rgba(66,133,244,0.1); border-color: rgba(66,133,244,0.3); }
.alert-box h6 { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 0.5rem; }
.alert-box p  { margin-bottom: 1rem; font-size: 14px; }
.alert-box .alert-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ===== RESPONSIVE ===== */
@media (max-width: 700px) {
  .nav-links, .nav-right { display: none; }
  .mobile-menu-btn { display: flex; }
  .section { padding: 64px 0; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .action-buttons { flex-direction: column; }
  .btn-upgrade, .btn-cancel-sub { width: 100%; justify-content: center; }
}