/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-base:       #0d0d0d;
  --bg-surface:    #1a1a1a;
  --bg-card:       #222222;
  --bg-input:      #2a2a2a;
  --border:        #333333;
  --border-glow:   #00ff0055;
  --green:         #00ff00;
  --green-dim:     #00cc00;
  --red:           #ff3333;
  --red-dim:       #cc0000;
  --yellow:        #ffcc00;
  --text-primary:  #e8e8e8;
  --text-muted:    #888888;
  --hero-bg:       #003300;
  --hero-glow1:    #00ff0066;
  --hero-glow2:    #00ff0033;
  --font:          'Segoe UI', system-ui, sans-serif;
  --radius:        8px;
  --transition:    0.2s ease;
}


/* ── Progress Gauge ──────────────────────────────────────────────────────── */
.gauge-container {
  width: 100%;
  height: 8px;
  background: var(--bg-input);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.25rem;
  position: relative;
}
.gauge-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease-out;
}
.gauge-fill.pass { background: var(--green); }
.gauge-fill.fail { background: var(--red); }
.gauge-fill.warn { background: var(--yellow); }

/* ── History Pills ───────────────────────────────────────────────────────── */
.history-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.history-pill {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0.3rem 0.6rem;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.history-pill:hover {
  border-color: var(--green);
  color: var(--text-primary);
}

/* ── Copy Button ─────────────────────────────────────────────────────────── */
.copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  border-radius: var(--radius);
  cursor: pointer;
  width: 100%;
  margin-top: 1rem;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.copy-btn:hover {
  border-color: var(--green);
  color: var(--green);
}


html { scroll-behavior: smooth; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Navbar ───────────────────────────────────────────────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 2rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

/* lang-toggle pushed to the right */
.navbar .lang-toggle { margin-left: auto; }


.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand-icon {
  font-size: 1.4rem;
  color: var(--green);
  animation: spin 6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.brand-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.lang-toggle {
  display: flex;
  gap: 0.4rem;
}
.lang-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all var(--transition);
}
.lang-btn:hover, .lang-btn.active {
  border-color: var(--green);
  color: var(--green);
  box-shadow: 0 0 8px var(--border-glow);
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 3.5rem 1rem 2.5rem;
  background: radial-gradient(ellipse at 50% 0%, var(--hero-bg) 0%, transparent 70%);
  border-bottom: 1px solid var(--border);
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--green);
  text-shadow: 0 0 30px var(--hero-glow1), 0 0 60px var(--hero-glow2);
  text-transform: uppercase;
}
.hero-sub {
  margin-top: 0.6rem;
  color: var(--text-muted);
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero-info-btn {
  display: inline-block;
  margin-top: 1.6rem;
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  padding: 0.55rem 1.6rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-family: var(--font);
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 0 10px var(--border-glow);
  transition: all var(--transition);
}
.hero-info-btn:hover {
  background: var(--border-glow);
  box-shadow: 0 0 22px var(--border-glow);
}

/* ── Container ────────────────────────────────────────────────────────────── */
.container {
  max-width: 860px;
  width: 100%;
  margin: 2.5rem auto;
  padding: 0 1.25rem;
  flex: 1;
}


/* ── Tab Panels ───────────────────────────────────────────────────────────── */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Card ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition);
}
.card:hover { border-color: #444; }

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.card-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* ── Form Grid ────────────────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}


.form-group { display: flex; flex-direction: column; gap: 0.4rem; min-width: 0; }
.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.select-box {
  background: var(--bg-input) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") no-repeat right 0.75rem center;
  background-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  padding: 0.65rem 2.2rem 0.65rem 0.9rem;
  font-size: 0.9rem;
  width: 100%;
  box-sizing: border-box;
  transition: border-color var(--transition), box-shadow var(--transition);
  /* Truncate long text cleanly instead of stretching the box */
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.select-box:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--border-glow);
}

/* ── Socket Restrict Checkbox ─────────────────────────────────────────────── */
.form-check {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
}
.form-check input[type="checkbox"] {
  appearance: none;
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-input);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}
.form-check input[type="checkbox"]:checked {
  background: var(--green);
  border-color: var(--green);
}
.form-check input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 3px; top: 1px;
  width: 5px; height: 8px;
  border: 2px solid #000;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}
.form-check input[type="checkbox"]:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--border-glow);
}
.form-check label {
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

/* ── CTA Button ───────────────────────────────────────────────────────────── */
.cta-btn {
  display: inline-block;
  background: transparent;
  border: 2px solid var(--green);
  color: var(--green);
  padding: 0.75rem 2rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 0 12px var(--border-glow);
}
.cta-btn:hover {
  background: var(--green);
  color: #000;
  box-shadow: 0 0 24px #00ff0088;
}
.cta-btn:active { transform: scale(0.97); }


/* ── Results Area ─────────────────────────────────────────────────────────── */
.results-area {
  margin-top: 1.5rem;
  border-radius: var(--radius);
  overflow: hidden;
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  animation: fadeIn 0.3s ease;
}

/* ── Smart Adjustments Panel ─────────────────────────────────────────────── */
.adjustments-panel {
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-surface);
}
.adjustments-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}
.adjustment-item {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.28rem 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.45;
}
.adjustment-item:last-child { border-bottom: none; }
.adjustment-item.warn { color: var(--yellow); }

.upgrade-card {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  border: 1px dashed var(--green);
  border-radius: var(--radius);
  background: var(--bg-surface);
  position: relative;
}
.upgrade-card h4 {
  color: var(--green);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; } }

.result-card.pass  { border-color: var(--green); box-shadow: 0 0 20px #00ff0022; }
.result-card.fail  { border-color: var(--red);   box-shadow: 0 0 20px #ff333322; }
.result-card.warn  { border-color: var(--yellow); box-shadow: 0 0 20px #ffcc0022; }

.result-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}
.result-badge.pass { background: #00ff0022; color: var(--green); border: 1px solid var(--green); }
.result-badge.fail { background: #ff333322; color: var(--red);   border: 1px solid var(--red); }
.result-badge.warn { background: #ffcc0022; color: var(--yellow); border: 1px solid var(--yellow); }

.result-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.result-title.pass { color: var(--green); text-shadow: 0 0 12px #00ff0055; }
.result-title.fail { color: var(--red);   text-shadow: 0 0 12px #ff333355; }
.result-title.warn { color: var(--yellow); }

.result-detail {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 0.5rem;
}

.result-rows { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.6rem; }

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-input);
  border-radius: 6px;
  padding: 0.55rem 0.9rem;
  font-size: 0.85rem;
}
.result-row-label { color: var(--text-muted); }
.result-row-val   { font-weight: 700; }
.result-row-val.pass { color: var(--green); }
.result-row-val.fail { color: var(--red); }
.result-row-val.warn { color: var(--yellow); }

/* ── Affiliate button ─────────────────────────────────────────────────────── */
.affiliate-wrap {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.affiliate-btn {
  display: block;
  text-align: center;
  padding: 0.8rem 1.5rem;
  background: linear-gradient(135deg, #ff6600, #ff3300);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid #ff440055;
  box-shadow: 0 0 18px #ff440044, inset 0 1px 0 #ffffff22;
  transition: all var(--transition);
  text-transform: uppercase;
}
.affiliate-btn:hover {
  background: linear-gradient(135deg, #ff8800, #ff4400);
  box-shadow: 0 0 32px #ff440077;
  transform: translateY(-1px);
}
.affiliate-btn:active { transform: scale(0.98); }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  letter-spacing: 0.05em;
}

/* ── Mobile ───────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .navbar { padding: 0.6rem 0.75rem; }
  .brand-text { white-space: nowrap; }
  .hero { padding: 2rem 1rem 1.5rem; }
  .card { padding: 1.25rem; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-btn { width: 100%; text-align: center; }
}

/* ── Modal (Glassmorphism) ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 20px var(--border-glow);
  transform: translateY(20px) scale(0.95);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
}
.modal-overlay.show .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition);
}
.modal-close:hover {
  border-color: var(--red);
  color: var(--red);
  box-shadow: 0 0 10px rgba(255, 51, 51, 0.4);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  text-shadow: 0 0 12px var(--hero-glow1);
}
.modal-body {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary);
}
.modal-body p {
  margin-bottom: 1rem;
}
.modal-body ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
}
.modal-body li {
  margin-bottom: 0.5rem;
}
.modal-body strong {
  color: var(--green);
}

/* ── Tooltips ─────────────────────────────────────────────────────────────── */
.tooltip-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: 0.35rem;
}
.tooltip-icon {
  background: transparent;
  border: 1px solid var(--text-muted);
  color: var(--text-muted);
  border-radius: 50%;
  width: 16px; height: 16px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-size: 0.65rem;
  font-weight: bold;
  cursor: help;
  transition: all 0.2s;
}
.tooltip-icon:hover {
  border-color: var(--green);
  color: var(--green);
}
.tooltip-text {
  position: absolute;
  bottom: 135%;
  right: -8px;
  transform: translateY(5px);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  font-size: 0.75rem;
  width: max-content;
  max-width: 240px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.8);
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
  z-index: 50;
  white-space: normal;
  text-align: right;
  line-height: 1.5;
}
.tooltip-wrap:hover .tooltip-text {
  opacity: 1;
  transform: translateY(0);
}

/* ── Why We're Different ─────────────────────────────────────────────────── */
.diff-section,
.faq-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.diff-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
}

.diff-intro {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 1.75rem;
  max-width: 72ch;
}

.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.diff-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  transition: border-color var(--transition);
}
.diff-card:hover { border-color: #444; }

.diff-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.diff-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.diff-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.diff-card p strong {
  color: var(--green);
  font-weight: 600;
}

/* ── FAQ ─────────────────────────────────────────────────────────────────── */
.faq-section { margin-top: 2.5rem; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.6rem;
  background: var(--bg-card);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item[open] { border-color: var(--green); }
.faq-item[open] .faq-q { color: var(--green); }

.faq-q {
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-left: 1rem;
  transition: transform var(--transition);
}
.faq-item[open] .faq-q::after {
  content: '−';
  color: var(--green);
}

.faq-a {
  padding: 0 1.25rem 1rem;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.65;
  border-top: 1px solid var(--border);
  padding-top: 0.85rem;
}
.faq-a p { margin: 0; }

@media (max-width: 640px) {
  .diff-grid { grid-template-columns: 1fr; }
}