/* ============================================================
   CRYPTONEX — style.css
   Light Theme | #18196d Main + #3da6fd Sub
   ============================================================ */

/* ─── CSS Variables ─────────────────────────────────────── */
:root {
  --main:       #18196d;
  --main-dark:  #0f1050;
  --main-light: #2a2c8a;
  --sub:        #3da6fd;
  --sub-light:  #70bffe;
  --sub-dim:    rgba(61,166,253,0.15);

  --bg-page:    #eef2ff;
  --bg-card:    #ffffff;
  --bg-card2:   #f5f8ff;
  --bg-input:   #ffffff;

  --border:     rgba(24,25,109,0.1);
  --border2:    rgba(24,25,109,0.18);
  --border3:    rgba(61,166,253,0.5);

  --text-dark:  #18196d;
  --text-mid:   #4a4f8a;
  --text-dim:   #8890bb;
  --text-white: #ffffff;

  --font-display: 'Orbitron', monospace;
  --font-body:    'Rajdhani', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 2px 16px rgba(24,25,109,0.07), 0 1px 4px rgba(24,25,109,0.05);
  --shadow-lg:   0 8px 40px rgba(24,25,109,0.13), 0 2px 8px rgba(24,25,109,0.07);
  --shadow-btn:  0 4px 20px rgba(61,166,253,0.4);
  --glow-input:  0 0 0 3px rgba(61,166,253,0.22);
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg-page);
  color: var(--text-dark);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; appearance: none; }
input[type=number] { -moz-appearance: textfield; appearance: textfield; }

/* ─── Background ─────────────────────────────────────────── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(24,25,109,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24,25,109,0.05) 1px, transparent 1px);
  background-size: 52px 52px;
}
.bg-particles { display: none; }
.bg-glow { position: fixed; z-index: 0; pointer-events: none; border-radius: 50%; filter: blur(100px); }
.glow-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(61,166,253,0.13) 0%, transparent 70%);
  top: -200px; right: -100px;
}
.glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(24,25,109,0.08) 0%, transparent 70%);
  bottom: 100px; left: -150px;
}
.glow-3 { display: none; }

/* ─── Layout Wrapper ─────────────────────────────────────── */
.app-wrapper {
  position: relative; z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

/* ─── Header ─────────────────────────────────────────────── */
.header {
  padding: 14px 0;
  border-bottom: 1px solid var(--border2);
  margin-bottom: 8px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
  margin-left: -20px;
  margin-right: -20px;
  padding-left: 20px;
  padding-right: 20px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1160px;
  margin: 0 auto;
}

/* ─── PNG Logo ───────────────────────────────────────────── */
.logo { display: flex; align-items: center; text-decoration: none; }
.logo-img {
  height: 58px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  /* Fallback: if PNG has white text on transparent, invert for light bg */
}

/* Hide old SVG/text logo elements */
.logo-icon { display: none; }
.logo-text { display: none; }
.logo-main { display: none; }
.logo-accent { display: none; }

.header-badge {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--main);
  border: 1px solid var(--border2);
  padding: 6px 14px;
  border-radius: 40px;
  background: rgba(61,166,253,0.07);
  white-space: nowrap;
}
.badge-dot {
  width: 6px; height: 6px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 6px #22c55e;
  animation: blink 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0.3; } }

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: clamp(40px,7vw,80px) 20px clamp(24px,4vw,56px);
}
.hero-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--sub);
  border: 1px solid rgba(61,166,253,0.4);
  padding: 6px 20px;
  border-radius: 40px;
  margin-bottom: 22px;
  background: rgba(61,166,253,0.08);
  animation: fadeInDown 0.6s ease both;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(30px,7vw,70px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 2px;
  color: var(--main);
  animation: fadeInUp 0.7s ease 0.1s both;
}
.hero-title-accent {
  background: linear-gradient(135deg, var(--sub) 0%, var(--main) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.hero-subtitle {
  margin-top: 18px;
  font-size: clamp(14px,2vw,18px);
  color: var(--text-mid);
  font-weight: 500;
  max-width: 540px;
  margin-left: auto; margin-right: auto;
  line-height: 1.6;
  animation: fadeInUp 0.7s ease 0.2s both;
}

/* ─── Calculator Section ─────────────────────────────────── */
.calculator-section { padding: 0 0 32px; }
.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

/* ─── Panel ──────────────────────────────────────────────── */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 28px 24px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.3s, border-color 0.3s;
  animation: fadeInUp 0.6s ease both;
}
.panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--main), var(--sub));
}
.panel:hover { box-shadow: var(--shadow-lg); border-color: var(--border2); }
.panel-header { margin-bottom: 24px; }
.panel-title-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.panel-icon { font-size: 16px; }
.panel-title {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--main);
  font-weight: 700;
}
.panel-line {
  height: 1px;
  background: linear-gradient(90deg, var(--border2), transparent);
}

/* ─── Input Groups ───────────────────────────────────────── */
.input-group { margin-bottom: 22px; animation: fadeInUp 0.5s ease both; }
.input-group:nth-child(1) { animation-delay: 0.05s; }
.input-group:nth-child(2) { animation-delay: 0.1s; }
.input-group:nth-child(3) { animation-delay: 0.15s; }

.input-label { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.label-text {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--main);
  font-weight: 700;
}
.label-badge {
  font-family: var(--font-display);
  font-size: 8px;
  letter-spacing: 1.5px;
  padding: 2px 8px;
  border-radius: 20px;
}
.label-badge.required {
  background: rgba(61,166,253,0.12);
  color: var(--sub);
  border: 1px solid rgba(61,166,253,0.35);
}
.label-badge.optional {
  background: rgba(24,25,109,0.06);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.input-wrapper {
  display: flex;
  align-items: center;
  background: #f8faff;
  border: 1.5px solid var(--border2);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s;
}
.input-wrapper:focus-within {
  border-color: var(--sub);
  box-shadow: var(--glow-input);
  background: #fff;
}
.input-wrapper.has-error {
  border-color: #e53e3e;
  box-shadow: 0 0 0 3px rgba(229,62,62,0.12);
}
.input-prefix {
  padding: 0 14px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--sub);
  background: rgba(61,166,253,0.08);
  border-right: 1.5px solid var(--border);
  height: 52px;
  display: flex; align-items: center;
  min-width: 46px; justify-content: center;
  flex-shrink: 0;
}
.input-field {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--main);
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  padding: 0 16px;
  height: 52px;
  width: 100%;
  caret-color: var(--sub);
}
.input-field::placeholder { color: var(--text-dim); font-weight: 400; font-size: 15px; }
.input-unit {
  padding: 0 12px;
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  background: rgba(24,25,109,0.04);
  border-left: 1.5px solid var(--border);
  height: 52px;
  display: flex; align-items: center;
  flex-shrink: 0;
}
.input-hint { margin-top: 5px; font-size: 12px; color: var(--text-dim); padding-left: 2px; }
.input-error {
  margin-top: 5px;
  font-size: 12px;
  color: #e53e3e;
  padding-left: 2px;
  min-height: 16px;
  font-weight: 600;
}

/* ─── Buttons ─────────────────────────────────────────────── */
.btn-row { display: flex; gap: 12px; margin-top: 10px; }
.btn-calc {
  flex: 1;
  position: relative;
  background: linear-gradient(135deg, var(--main), var(--sub));
  border: none;
  border-radius: var(--radius-md);
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  height: 54px;
  font-family: var(--font-display);
  transition: all 0.2s;
  box-shadow: var(--shadow-btn);
}
.btn-calc:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(61,166,253,0.5);
}
.btn-calc:active { transform: translateY(0); }
.btn-calc-inner {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; height: 100%;
  color: white;
  font-size: 13px; letter-spacing: 3px; font-weight: 700;
}
.btn-shimmer {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.2) 50%, transparent 60%);
  transform: translateX(-100%);
}
.btn-calc:hover .btn-shimmer { animation: shimmer 0.6s forwards; }
@keyframes shimmer { to { transform: translateX(100%); } }

.btn-reset {
  background: transparent;
  border: 1.5px solid var(--border2);
  border-radius: var(--radius-md);
  padding: 0 20px;
  height: 54px;
  cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  color: var(--text-mid);
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: 2px;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-reset:hover {
  border-color: var(--main);
  color: var(--main);
  background: rgba(24,25,109,0.05);
}

/* ─── Results Panel ──────────────────────────────────────── */
.panel-results { min-height: 360px; }
.empty-state {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 40px 20px; gap: 20px;
}
.empty-icon { width: 80px; height: 80px; opacity: 0.35; }
.empty-text { text-align: center; color: var(--text-dim); font-size: 15px; line-height: 1.7; }
.empty-text strong { color: var(--sub); }
.results-body { display: flex; flex-direction: column; gap: 14px; animation: fadeInUp 0.5s ease; }

/* ─── Result Cards ───────────────────────────────────────── */
.result-card {
  position: relative;
  border-radius: var(--radius-md);
  padding: 18px 22px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.result-card:hover { transform: translateX(3px); }
.card-secondary {
  background: rgba(61,166,253,0.05);
  border: 1px solid rgba(61,166,253,0.2);
}
.card-highlight {
  background: linear-gradient(135deg, rgba(24,25,109,0.05), rgba(61,166,253,0.07));
  border: 1px solid var(--border3);
  box-shadow: 0 4px 20px rgba(61,166,253,0.1);
}
.card-highlight::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--main), var(--sub));
}
.card-glow-ring {
  position: absolute;
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(61,166,253,0.08) 0%, transparent 70%);
  right: -50px; top: 50%; transform: translateY(-50%);
  border-radius: 50%;
  pointer-events: none;
}
.result-card-label {
  font-family: var(--font-display);
  font-size: 9px; letter-spacing: 2.5px;
  color: var(--text-dim); margin-bottom: 8px;
}
.result-card-value {
  font-family: var(--font-display);
  font-size: clamp(20px,4vw,26px);
  font-weight: 700;
  color: var(--main);
  word-break: break-all;
}
.result-card-value--large {
  font-size: clamp(26px,5vw,36px);
  background: linear-gradient(135deg, var(--main), var(--sub));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.result-card-sub { font-size: 11px; color: var(--text-dim); margin-top: 4px; }
.result-card-copy {
  position: absolute; top: 12px; right: 14px;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(61,166,253,0.07);
  border: 1px solid var(--border2);
  border-radius: 6px;
  cursor: pointer; color: var(--text-dim);
  transition: all 0.2s; opacity: 0;
}
.result-card:hover .result-card-copy { opacity: 1; }
.result-card-copy:hover {
  background: rgba(61,166,253,0.15);
  color: var(--sub); border-color: var(--sub);
}

/* ─── Formula Breakdown ──────────────────────────────────── */
.formula-breakdown {
  background: #f5f8ff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}
.formula-title {
  font-family: var(--font-display);
  font-size: 9px; letter-spacing: 2.5px;
  color: var(--text-dim); margin-bottom: 12px;
}
.formula-line {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.formula-line:last-child { border-bottom: none; }
.formula-key { color: var(--text-mid); font-weight: 500; }
.formula-val { color: var(--main); font-family: var(--font-display); font-size: 12px; font-weight: 700; }
.formula-eq {
  color: var(--sub);
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: 1px;
  padding: 8px 0 2px; font-weight: 600;
}

/* ─── Combinations Section ───────────────────────────────── */
.combinations-section {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 28px;
  margin-bottom: 24px;
  animation: fadeInUp 0.5s ease;
  box-shadow: var(--shadow-card);
}
/* .combinations-inner — intentionally unstyled */
.combinations-header { margin-bottom: 24px; }
.combinations-title-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.combinations-title {
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: 3px;
  color: var(--main); font-weight: 700;
}
.combinations-subtitle { font-size: 13px; color: var(--text-mid); }

/* ─── Combo Cards ────────────────────────────────────────── */
.combinations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.combo-card {
  position: relative;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border2);
  padding: 18px 14px 14px;
  background: #fff;
  display: flex; flex-direction: column; align-items: center;
  gap: 4px;
  transition: all 0.25s;
  animation: fadeInUp 0.4s ease both;
  cursor: default; overflow: hidden;
  box-shadow: var(--shadow-card);
}
.combo-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--main), var(--sub));
  opacity: 0.5;
}
.combo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--sub); }
.combo-leverage { display: flex; flex-direction: column; align-items: center; }
.combo-lev-num {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 900;
  color: var(--main); line-height: 1;
}
.combo-lev-label {
  font-family: var(--font-display);
  font-size: 8px; letter-spacing: 2px; color: var(--text-dim); margin-top: 2px;
}
.combo-divider {
  font-family: var(--font-display);
  font-size: 16px; color: var(--sub); font-weight: 700; line-height: 1; padding: 2px 0;
}
.combo-margin { display: flex; flex-direction: column; align-items: center; }
.combo-margin-num {
  font-family: var(--font-display);
  font-size: 17px; font-weight: 700; color: var(--main); line-height: 1;
}
.combo-margin-label {
  font-family: var(--font-display);
  font-size: 8px; letter-spacing: 2px; color: var(--text-dim); margin-top: 2px;
}
.combo-badge {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: 8px; letter-spacing: 2px; font-weight: 700;
  padding: 3px 10px; border-radius: 20px;
  border: 1px solid currentColor;
  background: rgba(255,255,255,0.9);
}
.combo-copy {
  position: absolute; top: 8px; right: 8px;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(61,166,253,0.07);
  border: 1px solid var(--border); border-radius: 6px;
  cursor: pointer; color: var(--text-dim);
  transition: all 0.2s; opacity: 0;
}
.combo-card:hover .combo-copy { opacity: 1; }
.combo-copy:hover { background: rgba(61,166,253,0.15); color: var(--sub); border-color: var(--sub); }

/* ─── Copy All Button ────────────────────────────────────── */
.btn-copy-all {
  width: 100%;
  background: transparent;
  border: 1.5px dashed rgba(24,25,109,0.2);
  border-radius: var(--radius-md);
  padding: 12px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 10px; letter-spacing: 2px;
  transition: all 0.2s; margin-top: 4px;
}
.btn-copy-all:hover {
  border-style: solid; border-color: var(--sub);
  color: var(--sub); background: rgba(61,166,253,0.05);
}

/* ─── Trade Summary ──────────────────────────────────────── */
.summary-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 28px;
  margin-bottom: 24px;
  animation: fadeInUp 0.5s ease;
  box-shadow: var(--shadow-card);
}
.summary-header { display: flex; align-items: center; gap: 10px; }
.summary-title {
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: 3px; color: var(--main); font-weight: 700;
}
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.summary-item {
  display: flex; align-items: center; gap: 14px;
  background: #f8faff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  transition: border-color 0.2s;
}
.summary-item:hover { border-color: var(--border2); }
.summary-item--primary { border-color: var(--border3); background: rgba(61,166,253,0.05); }
.summary-item--safe    { border-color: rgba(34,197,94,0.3); background: rgba(34,197,94,0.04); }
.summary-item--warn    { border-color: rgba(245,158,11,0.3); background: rgba(245,158,11,0.04); }
.summary-item--danger  { border-color: rgba(239,68,68,0.3); background: rgba(239,68,68,0.04); }
.summary-item-icon { font-size: 22px; line-height: 1; flex-shrink: 0; }
.summary-item-label {
  font-family: var(--font-display);
  font-size: 9px; letter-spacing: 1.5px; color: var(--text-dim); margin-bottom: 4px;
}
.summary-item-value {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 700; color: var(--main);
}
.summary-item--primary .summary-item-value { color: var(--sub); }
.summary-item--safe    .summary-item-value { color: #16a34a; }
.summary-item--warn    .summary-item-value { color: #d97706; }
.summary-item--danger  .summary-item-value { color: #dc2626; }

/* ─── YouTube Section ────────────────────────────────────── */
.yt-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 0;
  margin-bottom: 24px;
  position: relative; overflow: hidden;
  animation: fadeInUp 0.6s ease both;
  box-shadow: var(--shadow-card);
}
.yt-accent-bar {
  height: 3px;
  background: linear-gradient(90deg, #cc0000 0%, #ff5500 50%, #cc0000 100%);
}
.yt-top-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap; gap: 12px;
}
.yt-branding { display: flex; align-items: center; gap: 14px; }
.yt-logo-badge {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, #cc0000, #ff3300);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: white;
  box-shadow: 0 4px 16px rgba(200,0,0,0.22);
  flex-shrink: 0;
}
.yt-label {
  font-family: var(--font-display);
  font-size: 9px; letter-spacing: 3px; color: var(--text-dim); margin-bottom: 3px;
}
.yt-heading {
  font-family: var(--font-display);
  font-size: 16px; font-weight: 700; color: var(--main); letter-spacing: 1px;
}
.yt-subscribe-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 22px;
  background: linear-gradient(135deg, #cc0000, #ff3300);
  border-radius: 40px; color: #fff;
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: 2.5px; font-weight: 700;
  text-decoration: none; transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(200,0,0,0.22);
  white-space: nowrap;
}
.yt-subscribe-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,0,0,0.32); }

.yt-player-layout { display: grid; grid-template-columns: 1fr 280px; }
.yt-main-player {
  padding: 20px 0 20px 20px;
  border-right: 1px solid var(--border);
}
.yt-embed-ratio {
  position: relative; padding-bottom: 56.25%; height: 0;
  border-radius: var(--radius-md); overflow: hidden;
  background: #000; box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}
.yt-embed-ratio iframe {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none;
}
.yt-mobile-nav {
  display: none; align-items: center; justify-content: space-between; margin-top: 14px;
}
.yt-nav-btn {
  display: flex; align-items: center; gap: 6px;
  background: rgba(61,166,253,0.08);
  border: 1.5px solid var(--border2); border-radius: 40px;
  padding: 8px 16px; color: var(--main);
  font-family: var(--font-display); font-size: 10px; letter-spacing: 2px;
  cursor: pointer; transition: all 0.2s;
}
.yt-nav-btn:hover { background: rgba(61,166,253,0.15); border-color: var(--sub); color: var(--sub); }
.yt-dots { display: flex; justify-content: center; align-items: center; gap: 6px; }
.yt-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--border2); border: none; cursor: pointer;
  transition: all 0.3s; padding: 0;
}
.yt-dot.active {
  background: var(--sub);
  box-shadow: 0 0 6px rgba(61,166,253,0.5);
  width: 20px; border-radius: 4px;
}
.yt-sidebar {
  padding: 16px 14px;
  display: flex; flex-direction: column; gap: 8px;
  overflow-y: auto; max-height: 380px;
  background: #f8faff;
}
.yt-sidebar::-webkit-scrollbar { width: 3px; }
.yt-sidebar::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
.yt-sidebar-label {
  font-family: var(--font-display);
  font-size: 9px; letter-spacing: 3px; color: var(--text-dim); margin-bottom: 4px; padding: 0 4px;
}
.yt-thumb-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px; border-radius: 10px; cursor: pointer;
  border: 1.5px solid transparent; transition: all 0.2s; background: transparent;
}
.yt-thumb-item:hover { background: rgba(61,166,253,0.06); border-color: rgba(61,166,253,0.2); }
.yt-thumb-item.active { background: rgba(24,25,109,0.06); border-color: rgba(24,25,109,0.18); }
.yt-thumb-img {
  position: relative; width: 80px; min-width: 80px;
  aspect-ratio: 16/9; border-radius: 6px; overflow: hidden; background: #dde;
}
.yt-thumb-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.yt-thumb-play {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.3); opacity: 0; transition: opacity 0.2s;
}
.yt-thumb-item:hover .yt-thumb-play,
.yt-thumb-item.active .yt-thumb-play { opacity: 1; }
.yt-now-badge {
  position: absolute; top: 4px; left: 4px;
  background: #cc0000; color: #fff;
  font-family: var(--font-display); font-size: 7px; letter-spacing: 1.5px; font-weight: 700;
  padding: 2px 5px; border-radius: 3px;
}
.yt-thumb-info { flex: 1; min-width: 0; }
.yt-thumb-num {
  font-family: var(--font-display);
  font-size: 9px; color: var(--text-dim); letter-spacing: 1px; margin-bottom: 3px;
}
.yt-thumb-title {
  font-size: 11px; color: var(--text-mid); line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}
.yt-thumb-item.active .yt-thumb-title { color: var(--main); font-weight: 600; }

/* ─── Social Media Section ───────────────────────────────── */
.social-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 28px 28px;
  margin-bottom: 24px;
  position: relative; overflow: hidden;
  animation: fadeInUp 0.6s ease both;
  box-shadow: var(--shadow-card);
}
.social-section::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--main), var(--sub));
}
.social-head {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 28px; flex-wrap: wrap;
}
.social-eyebrow {
  font-family: var(--font-display);
  font-size: 9px; letter-spacing: 3px; color: var(--sub); margin-bottom: 4px;
}
.social-heading {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 700; color: var(--main);
  letter-spacing: 1px; white-space: nowrap;
}
.social-head-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--border2), transparent);
  min-width: 40px;
}
.social-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; }
.social-card {
  position: relative;
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 28px 16px 22px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  border: 1.5px solid var(--border);
  background: #f8faff;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.social-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.social-card-bg {
  position: absolute; inset: 0;
  opacity: 0; transition: opacity 0.35s;
  pointer-events: none; border-radius: inherit;
}
.social-card:hover .social-card-bg { opacity: 1; }
.social-hover-line {
  position: absolute; bottom: 0; left: 0;
  height: 3px; width: 0%;
  transition: width 0.35s ease;
}
.social-card:hover .social-hover-line { width: 100%; }
.social-card-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 12px; position: relative; z-index: 1; width: 100%;
}
.social-icon-wrap {
  width: 64px; height: 64px;
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.2s;
  border: 1px solid rgba(0,0,0,0.06);
}
.social-card:hover .social-icon-wrap { transform: scale(1.1); }
.social-text { display: flex; flex-direction: column; gap: 4px; }
.social-name {
  font-family: var(--font-display);
  font-size: 13px; font-weight: 700; color: var(--main);
  letter-spacing: 1.5px; display: block;
}
.social-handle { font-size: 12px; color: var(--text-dim); display: block; }
.social-chip {
  font-family: var(--font-display);
  font-size: 9px; letter-spacing: 2px; font-weight: 700;
  padding: 5px 14px; border-radius: 40px;
  border: 1.5px solid var(--border2);
  color: var(--text-mid); transition: all 0.2s;
  background: rgba(255,255,255,0.9);
}
.social-card:hover .social-chip { color: white; }

/* Facebook */
.social-card--fb .social-icon-wrap  { background: rgba(24,119,242,0.1); }
.social-card--fb:hover               { border-color: #1877f2; }
.social-card--fb .social-card-bg    { background: radial-gradient(ellipse at 50% 110%, rgba(24,119,242,0.07), transparent 65%); }
.social-card--fb .social-hover-line { background: linear-gradient(90deg, transparent, #1877f2, transparent); }
.social-card--fb .social-icon-wrap svg { fill: #1877f2; }
.social-card--fb:hover .social-chip { background: #1877f2; border-color: #1877f2; }
/* TikTok */
.social-card--tt .social-icon-wrap  { background: rgba(238,29,82,0.08); }
.social-card--tt:hover               { border-color: #ee1d52; }
.social-card--tt .social-card-bg    { background: radial-gradient(ellipse at 50% 110%, rgba(238,29,82,0.07), transparent 65%); }
.social-card--tt .social-hover-line { background: linear-gradient(90deg, transparent, #ee1d52, transparent); }
.social-card--tt .social-icon-wrap svg { fill: #ee1d52; }
.social-card--tt:hover .social-chip { background: #ee1d52; border-color: #ee1d52; }
/* Instagram */
.social-card--ig .social-icon-wrap  { background: rgba(225,48,108,0.08); }
.social-card--ig:hover               { border-color: #e1306c; }
.social-card--ig .social-card-bg    { background: radial-gradient(ellipse at 50% 110%, rgba(225,48,108,0.07), transparent 65%); }
.social-card--ig .social-hover-line { background: linear-gradient(90deg, transparent, #e1306c, transparent); }
.social-card--ig .social-icon-wrap svg { fill: #e1306c; }
.social-card--ig:hover .social-chip { background: #e1306c; border-color: #e1306c; }
/* YouTube */
.social-card--yt .social-icon-wrap  { background: rgba(255,0,0,0.08); }
.social-card--yt:hover               { border-color: #ff0000; }
.social-card--yt .social-card-bg    { background: radial-gradient(ellipse at 50% 110%, rgba(255,0,0,0.07), transparent 65%); }
.social-card--yt .social-hover-line { background: linear-gradient(90deg, transparent, #ff0000, transparent); }
.social-card--yt .social-icon-wrap svg { fill: #ff0000; }
.social-card--yt:hover .social-chip { background: #ff0000; border-color: #ff0000; }

/* ─── Footer ─────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); padding: 28px 0 0; text-align: center; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.footer-logo {
  font-family: var(--font-display);
  font-size: 14px; letter-spacing: 3px; font-weight: 700; color: var(--main);
}
.footer-logo span { color: var(--sub); }
.footer-copy { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

/* ─── Toast ──────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 28px; right: 28px;
  background: var(--main); border: none;
  border-radius: var(--radius-md); padding: 12px 24px;
  color: #fff; font-family: var(--font-display);
  font-size: 11px; letter-spacing: 2px; z-index: 9999;
  transform: translateY(80px); opacity: 0;
  transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 8px 32px rgba(24,25,109,0.3);
  pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ─── Animations ─────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.result-pop { animation: resultPop 0.5s cubic-bezier(0.34,1.56,0.64,1) both; }
@keyframes resultPop {
  from { opacity: 0; transform: scale(0.94) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.5s ease both; }
@keyframes countUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.count-anim { animation: countUp 0.4s ease both; }

/* ─── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #eef2ff; }
::-webkit-scrollbar-thumb { background: rgba(24,25,109,0.18); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(24,25,109,0.32); }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .social-grid { grid-template-columns: repeat(2,1fr); }
  .yt-player-layout { grid-template-columns: 1fr 220px; }
}
@media (max-width: 820px) {
  .calculator-grid { grid-template-columns: 1fr; }
  .combinations-grid { grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); }
  .summary-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .yt-player-layout { grid-template-columns: 1fr; }
  .yt-main-player { padding: 14px 14px 0 14px; border-right: none; border-bottom: 1px solid var(--border); }
  .yt-mobile-nav { display: flex; }
  .yt-sidebar {
    flex-direction: row; max-height: none;
    overflow-x: auto; overflow-y: hidden;
    padding: 10px 12px; gap: 10px; background: #f5f8ff;
  }
  .yt-sidebar::-webkit-scrollbar { height: 3px; }
  .yt-sidebar-label { display: none; }
  .yt-thumb-item { flex-direction: column; min-width: 100px; gap: 6px; }
  .yt-thumb-img { width: 100%; min-width: unset; aspect-ratio: 16/9; }
  .yt-thumb-info { text-align: center; }
  .social-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .yt-top-row { padding: 14px 16px; }
}
@media (max-width: 600px) {
  .app-wrapper { padding: 0 14px 60px; }
  .header { margin-left: -14px; margin-right: -14px; padding-left: 14px; padding-right: 14px; }
  .logo-img { height: 48px; max-width: 180px; }
  .panel { padding: 20px 16px 18px; border-radius: var(--radius-lg); }
  .combinations-section, .summary-section { padding: 20px 16px; border-radius: var(--radius-lg); }
  .btn-row { flex-direction: column; gap: 10px; margin-top: 14px; }
  .btn-calc { width: 100%; height: 60px; border-radius: 14px; }
  .btn-reset { width: 100%; height: 50px; justify-content: center; border-radius: 12px; }
  .header-badge { padding: 4px 8px; font-size: 8px; letter-spacing: 1px; gap: 5px; }
  .toast { right: 14px; left: 14px; bottom: 20px; text-align: center; }
  .summary-grid { grid-template-columns: 1fr; }
  .combinations-grid { grid-template-columns: repeat(2,1fr); }
  .social-section { padding: 22px 14px 20px; border-radius: var(--radius-lg); }
  .yt-section { border-radius: var(--radius-lg); }
  .social-card { padding: 20px 10px 18px; }
  .social-icon-wrap { width: 52px; height: 52px; border-radius: 14px; }
  .social-name { font-size: 12px; }
}
@media (max-width: 380px) {
  .hero-title { font-size: 26px; }
  .result-card-value--large { font-size: 24px; }
  .combinations-grid { grid-template-columns: 1fr 1fr; }
  .logo-img { height: 40px; max-width: 160px; }
}

/* ─── Google Reviews Card ────────────────────────────────── */
.social-card--gr .social-icon-wrap  { background: rgba(66,133,244,0.08); }
.social-card--gr:hover               { border-color: #4285f4; }
.social-card--gr .social-card-bg    { background: radial-gradient(ellipse at 50% 110%, rgba(66,133,244,0.07), transparent 65%); }
.social-card--gr .social-hover-line { background: linear-gradient(90deg, transparent, #fbbc05, #ea4335, #4285f4, transparent); }
.social-card--gr:hover .social-chip { background: #4285f4; border-color: #4285f4; color: white; }