/* =====================================
   JB HUB 2025 — MAX LEVEL PREMIUM UI
   Apple × Linear × Vercel × Stripe
===================================== */

:root {
  --bg: #0b0b12;
  --surface: #151521;
  --glass: rgba(255,255,255,0.03);

  --text: #ffffff;
  --text-soft: rgba(255,255,255,0.6);
  --text-muted: rgba(255,255,255,0.35);

  --accent: #4f8cff;
  --accent-2: #a855f7;

  --border: rgba(255,255,255,0.08);

  --radius: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-user-select: none;
  user-select: none;
}

input, textarea {
  -webkit-user-select: text;
  user-select: text;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  min-height: 100vh;
  letter-spacing: -0.2px;
}

/* BACKGROUND */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -20;
  background:
    radial-gradient(900px circle at 10% 20%, rgba(79,140,255,0.18), transparent 60%),
    radial-gradient(800px circle at 90% 80%, rgba(168,85,247,0.18), transparent 60%),
    linear-gradient(180deg, #0b0b12 0%, #0f0f17 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -19;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.5;
}

/* LAYOUT */
.container {
  width: 92%;
  max-width: 1200px;
  margin: 0 auto;
}

.section {
  padding: 140px 0;
}

.section-title {
  font-size: 52px;
  font-weight: 800;
  text-align: center;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-soft);
  margin-bottom: 70px;
  font-size: 17px;
}

/* HEADER */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  backdrop-filter: blur(20px);
  background: rgba(15,15,25,0.6);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  text-decoration: none;
  color: var(--text-soft);
  font-size: 14px;
  transition: var(--transition);
}

.nav a:hover, .nav a.active {
  color: var(--text);
}

.header-actions {
  display: flex;
  gap: 12px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-soft);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.icon-btn:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

/* SEARCH */
.search-container {
  position: relative;
}

.search-input {
  padding: 10px 16px 10px 40px;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: rgba(79,140,255,0.4);
  background: rgba(79,140,255,0.05);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
}

/* HERO */
.hero {
  padding: 240px 0 180px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 20px;
  background: rgba(79,140,255,0.1);
  border: 1px solid rgba(79,140,255,0.25);
  color: var(--accent);
  font-size: 13px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: 96px;
  font-weight: 900;
  letter-spacing: -3px;
  margin-bottom: 28px;
  line-height: 1.05;
}

.hero span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-soft);
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* BUTTONS */
.btn {
  padding: 16px 34px;
  border-radius: 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 20px 60px rgba(79,140,255,0.25);
}

.btn-primary:hover {
  transform: translateY(-4px);
}

.btn-outline {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.08);
}

/* GRID */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

/* CARDS */
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  transform: translateY(-8px);
  border-color: rgba(79,140,255,0.3);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.glass-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.glass-card p {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.6;
}

/* BADGES */
.badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
}

.badge-blue { background: rgba(79,140,255,0.15); color: #5ac8fa; border: 1px solid rgba(79,140,255,0.25); }
.badge-purple { background: rgba(168,85,247,0.15); color: #bf5af2; border: 1px solid rgba(168,85,247,0.25); }
.badge-green { background: rgba(52,199,89,0.15); color: #34c759; border: 1px solid rgba(52,199,89,0.25); }
.badge-orange { background: rgba(255,159,10,0.15); color: #ff9f0a; border: 1px solid rgba(255,159,10,0.25); }

/* COUNTERS */
.counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.counter-card {
  text-align: center;
  padding: 32px;
}

.counter-number {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.counter-label {
  color: var(--text-soft);
  font-size: 14px;
}

/* COMPARISON */
.compare-selects {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.compare-select {
  padding: 12px 20px;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  outline: none;
  cursor: pointer;
}

.compare-result {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.compare-card {
  padding: 32px;
}

.compare-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-soft);
}

/* CALCULATOR */
.calc-inputs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.calc-result {
  max-width: 600px;
  margin: 0 auto;
}

.calc-item {
  display: flex;
  justify-content: space-between;
  padding: 16px;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  margin-bottom: 10px;
}

.calc-item.available {
  border-color: rgba(52,199,89,0.3);
}

.calc-item.unavailable {
  opacity: 0.4;
}

/* TIMELINE */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--border);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 40px;
  margin-bottom: 40px;
  position: relative;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 40px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
}

.timeline-content {
  max-width: 350px;
}

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 48px;
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  border: 1px solid var(--border);
  box-shadow: 0 40px 80px rgba(0,0,0,0.6);
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-soft);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text);
}

.modal-tools {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.modal-tool-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-radius: 14px;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}

.modal-tool-btn:hover {
  background: rgba(79,140,255,0.1);
  border-color: rgba(79,140,255,0.3);
}

.modal-steps {
  list-style: none;
  margin: 24px 0;
}

.modal-steps li {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--text-soft);
  font-size: 15px;
}

.step-num {
  min-width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(79,140,255,0.15);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(79,140,255,0.25);
}

.modal-progress {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-bottom: 20px;
  overflow: hidden;
}

.modal-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0%;
  transition: width 0.3s;
}

.modal-warning {
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255,159,10,0.1);
  border: 1px solid rgba(255,159,10,0.2);
  color: #ff9f0a;
  font-size: 14px;
  margin-top: 16px;
}

/* COMMENTS */
.comments-section {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.comment-input {
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.comment-item {
  padding: 16px;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid var(--border);
}

.comment-name {
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

.comment-text {
  font-size: 14px;
  color: var(--text-soft);
}

/* TOAST */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 14px 24px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid rgba(52,199,89,0.3);
  color: #34c759;
  font-size: 14px;
  font-weight: 500;
  z-index: 3000;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* SCROLL TOP */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(79,140,255,0.15);
  border: 1px solid rgba(79,140,255,0.3);
  color: var(--accent);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: rgba(79,140,255,0.3);
  transform: translateY(-3px);
}

/* PROGRESS BAR */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 9999;
  width: 0%;
  transition: width 0.1s;
}

/* PRELOADER */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.5s;
}

.preloader.hidden {
  opacity: 0;
  pointer-events: none;
}

.preloader-icon {
  font-size: 48px;
  animation: pulse 1.2s ease-in-out infinite;
  margin-bottom: 16px;
}

.preloader-text {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 2px;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.7; }
}

/* CURSOR */
.cursor {
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s;
  display: none;
}

.cursor.active {
  display: block;
}

.cursor.hover {
  transform: translate(-50%, -50%) scale(1.5);
  background: rgba(79,140,255,0.1);
}

/* FOOTER */
.footer {
  padding: 80px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer p {
  color: var(--text-muted);
  font-size: 14px;
}

/* ANIMATIONS */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 1000px) {
  .grid-3, .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .counter-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero h1 {
    font-size: 72px;
  }
}

@media (max-width: 700px) {
  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
  .counter-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 54px;
  }
  .nav {
    display: none;
  }
  .compare-result {
    grid-template-columns: 1fr;
  }
  .timeline::before {
    left: 20px;
  }
  .timeline-item, .timeline-item:nth-child(even) {
    padding-left: 40px;
    padding-right: 0;
    justify-content: flex-start;
  }
  .timeline-item::before {
    left: 20px;
  }
}
/* ===========================
   CUSTOM SELECT DROPDOWN
=========================== */

.custom-select {
    position: relative;
    width: 260px;
    cursor: pointer;
    user-select: none;
}

.select-trigger {
    padding: 14px 18px;
    border-radius: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text);
    font-size: 14px;
    transition: 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* стрелочка */
.select-trigger::after {
    content: "▾";
    font-size: 12px;
    color: var(--text-soft);
    transition: 0.3s ease;
}

.custom-select.active .select-trigger::after {
    transform: rotate(180deg);
}

.select-trigger:hover {
    border-color: rgba(79,140,255,0.4);
    background: rgba(79,140,255,0.08);
}

.select-options {
    position: absolute;
    top: 110%;
    left: 0;
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    padding: 6px 0;
    z-index: 1000;

    /* анимация */
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: 0.25s ease;
}

.custom-select.active .select-options {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.select-options div {
    padding: 10px 18px;
    color: var(--text-soft);
    font-size: 14px;
    transition: 0.2s ease;
}

.select-options div:hover {
    background: rgba(79,140,255,0.15);
    color: var(--text);
}
/* =========================
   ADVANCED GUIDE MODAL
========================= */

.guide-header {
    margin-bottom: 24px;
}

.guide-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

.guide-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.guide-rating {
    color: #ffd60a;
    font-size: 14px;
}

.guide-difficulty {
    font-size: 13px;
    padding: 4px 10px;
    border-radius: 8px;
    background: rgba(255,159,10,0.15);
    border: 1px solid rgba(255,159,10,0.25);
}

.guide-time {
    font-size: 13px;
    padding: 4px 10px;
    border-radius: 8px;
    background: rgba(79,140,255,0.15);
    border: 1px solid rgba(79,140,255,0.25);
}

.guide-layout {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 24px;
}

.guide-sidebar {
    border-right: 1px solid var(--border);
    padding-right: 16px;
}

.guide-step-link {
    font-size: 13px;
    color: var(--text-soft);
    cursor: pointer;
    margin-bottom: 8px;
    display: block;
    transition: var(--transition);
}

.guide-step-link:hover {
    color: var(--text);
}

.guide-content {
    padding-left: 10px;
}

.guide-progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    margin-bottom: 20px;
    overflow: hidden;
}

.guide-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    width: 0%;
    transition: width 0.4s ease;
}

.copy-btn {
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 8px;
    background: rgba(79,140,255,0.1);
    border: 1px solid rgba(79,140,255,0.25);
    cursor: pointer;
    margin-top: 10px;
}

.ai-recommend {
    margin-top: 30px;
    padding: 16px;
    border-radius: 14px;
    background: rgba(168,85,247,0.1);
    border: 1px solid rgba(168,85,247,0.25);
    font-size: 14px;
    color: #bf5af2;
}
/* ===========================
   FAVORITES & RATING
=========================== */

.favorite-btn {
    cursor: pointer;
    font-size: 18px;
    color: var(--text-muted);
    transition: var(--transition);
}

.favorite-btn.active {
    color: #ff375f;
}

.rating {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

.star {
    cursor: pointer;
    font-size: 16px;
    color: rgba(255,255,255,0.3);
}

.star.active {
    color: #ffd60a;
}

/* ===========================
   AI BLOCK
=========================== */

.ai-box {
    margin-top: 24px;
    padding: 16px;
    border-radius: 16px;
    background: rgba(168,85,247,0.1);
    border: 1px solid rgba(168,85,247,0.25);
    font-size: 14px;
    color: #bf5af2;
}

/* ===========================
   EXPORT BUTTON
=========================== */

.export-btn {
    margin-top: 20px;
}
/* ===========================
   NAV DROPDOWN
=========================== */

.nav-dropdown {
    position: relative;
}

.nav-dropdown-btn {
    background: none;
    border: none;
    color: var(--text-soft);
    font-size: 14px;
    cursor: pointer;
    padding: 8px 12px;
    transition: var(--transition);
    font-family: inherit;
}

.nav-dropdown-btn:hover {
    color: var(--text);
}

.nav-dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
    backdrop-filter: blur(20px);
}

.nav-dropdown:hover .nav-dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-content a {
    display: block;
    padding: 10px 16px;
    color: var(--text-soft);
    text-decoration: none;
    transition: var(--transition);
    font-size: 13px;
}

.nav-dropdown-content a:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text);
}

@media (max-width: 768px) {
    .nav-dropdown-content {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: var(--bg);
        border: none;
        padding-left: 20px;
    }
    .nav-dropdown-btn {
        width: 100%;
        text-align: left;
    }
}
/* ===========================
   TG POPUP
=========================== */

.tg-popup-content {
    background: var(--surface);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--border);
    box-shadow: 0 40px 80px rgba(0,0,0,0.6);
    transform: scale(0.95);
    transition: var(--transition);
    position: relative;
}

.modal-overlay.active .tg-popup-content {
    transform: scale(1);
}

.tg-popup-content .modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--text-soft);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: var(--transition);
}

.tg-popup-content .modal-close:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text);
}
/* ===========================
   TG FLOAT BUTTON
=========================== */

.tg-float-btn {
    position: fixed;
    top: 90px;
    left: 20px;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: #229ED9;  /* Официальный цвет Telegram */
    border: 2px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 998;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(34,158,217,0.4);
    text-decoration: none;
}

.tg-float-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(34,158,217,0.6);
    background: #2BA8E5;
}

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

.tg-float-btn svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.tg-tooltip {
    position: absolute;
    left: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.tg-float-btn:hover .tg-tooltip {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .tg-float-btn {
        width: 44px;
        height: 44px;
        top: 85px;
        left: 15px;
    }
    .tg-float-btn svg {
        width: 24px;
        height: 24px;
    }
    .tg-tooltip {
        display: none;
    }
}