/* =====================================================
   CAO CACAO MMO TOOLS — Design System
   Theme: Vibrant Tech / Gradient Purple + Neon
   ===================================================== */

/* ── Custom Properties ── */
:root {
  --bg-1: #0f0c29;
  --bg-2: #302b63;
  --bg-3: #24243e;
  --accent-cyan: #00e5ff;
  --accent-lime: #39ff14;
  --accent-pink: #ff2d78;
  --accent-purple: #a855f7;
  --text: #f0f4ff;
  --text-muted: rgba(240, 244, 255, 0.55);
  --card-bg: rgba(255, 255, 255, 0.055);
  --card-border: rgba(0, 229, 255, 0.18);
  --card-hover-border: rgba(0, 229, 255, 0.5);
  --font-brand: 'Orbitron', 'Be Vietnam Pro', 'Segoe UI', sans-serif;
  --font-body: 'Be Vietnam Pro', 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, 'Courier New', monospace;
  --radius: 16px;
  --radius-sm: 8px;
  --glow: 0 0 30px rgba(0, 229, 255, 0.2);
  --glow-pink: 0 0 30px rgba(255, 45, 120, 0.2);
  --glow-lime: 0 0 30px rgba(57, 255, 20, 0.2);
}

html[lang="vi"],
html[lang="zh"],
html[lang="ru"],
html[lang="ar"] {
  --font-brand: 'Be Vietnam Pro', 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.45;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  background: linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 50%, var(--bg-3) 100%);
  background-attachment: fixed;
}
a { text-decoration: none; color: inherit; }
::selection { background: var(--accent-cyan); color: #000; }

/* ── Particles Canvas ── */
#particles-canvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

/* ── Layout ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.2); }
::-webkit-scrollbar-thumb { background: var(--accent-cyan); border-radius: 3px; }

/* =====================================================
   NAVBAR
   ===================================================== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(15, 12, 41, 0.82);
  border-bottom: 1px solid rgba(0, 229, 255, 0.12);
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { font-size: 28px; filter: drop-shadow(0 0 8px rgba(255,180,0,0.5)); }
.brand-name {
  display: block; font-family: var(--font-brand);
  font-size: 15px; font-weight: 700; color: var(--accent-cyan);
  letter-spacing: 1px; line-height: 1.2;
}
.brand-sub {
  display: block; font-size: 10px; color: var(--text-muted);
  letter-spacing: 2px; text-transform: uppercase;
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 13px; border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 500; color: var(--text-muted); transition: all 0.2s;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.07); }
.nav-tg {
  background: rgba(0, 229, 255, 0.1) !important;
  border: 1px solid rgba(0, 229, 255, 0.3) !important;
  color: var(--accent-cyan) !important; margin-left: 8px;
}
.nav-tg:hover { background: rgba(0, 229, 255, 0.2) !important; box-shadow: var(--glow); }
.nav-contact { margin-left: 0; }
.nav-toggle {
  display: none; background: none;
  border: 1px solid var(--card-border); color: var(--text);
  padding: 8px 12px; border-radius: var(--radius-sm); cursor: pointer; font-size: 16px;
}
.mobile-nav {
  display: none; position: fixed; top: 62px; left: 0; right: 0; z-index: 99;
  background: rgba(15,12,41,0.98); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 12px; flex-direction: column; gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 12px 16px; border-radius: var(--radius-sm);
  color: var(--text-muted); font-size: 14px; transition: 0.2s;
}
.mobile-nav a:hover { background: rgba(255,255,255,0.07); color: var(--text); }

/* =====================================================
   HERO
   ===================================================== */
.hero {
  position: relative; z-index: 1;
  padding: 150px 0 90px; text-align: center;
}
.hero-content { max-width: 680px; margin: 0 auto; }
.hero-badge {
  display: inline-block; padding: 6px 18px;
  background: rgba(0, 229, 255, 0.1); border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 100px; font-size: 13px; color: var(--accent-cyan);
  margin-bottom: 24px; backdrop-filter: blur(10px);
}
.hero-title {
  font-family: var(--font-brand);
  font-size: clamp(34px, 7vw, 62px);
  font-weight: 900; line-height: 1.15; margin-bottom: 18px; letter-spacing: -1px;
}
.gradient-text {
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime), var(--accent-pink));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; background-size: 200% auto;
  animation: gradientShift 4s ease infinite;
}
@keyframes gradientShift {
  0% { background-position: 0% center; }
  50% { background-position: 100% center; }
  100% { background-position: 0% center; }
}
.hero-desc { font-size: 17px; color: var(--text-muted); line-height: 1.7; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; justify-content: center; gap: 44px; }
.stat { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stat-num { font-family: var(--font-brand); font-size: 28px; font-weight: 700; color: var(--accent-cyan); }
.stat span:last-child { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* ── Shared Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 100px;
  font-family: var(--font-body); font-size: 14.5px; font-weight: 600;
  cursor: pointer; transition: all 0.3s; border: none;
}
.btn-primary { background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple)); color: #000; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,229,255,0.4); }
.btn-outline { background: transparent; border: 1px solid var(--card-border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); transform: translateY(-2px); }

/* =====================================================
   SAFE ADSENSE LAYOUT
   ===================================================== */
.ads-safe-wrap {
  position: relative;
  z-index: 1;
  padding: 0 0 34px;
}
.ads-safe-top {
  margin-top: -24px;
}
.ads-safe-bottom {
  padding: 0 0 28px;
}
.ads-safe-card {
  border: 1px solid rgba(0, 229, 255, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  padding: 14px;
}
.ads-safe-inline {
  margin: 6px 0 28px;
}
.ads-safe-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.ads-safe-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 255, 0.32);
  background: rgba(0, 229, 255, 0.13);
  color: var(--accent-cyan);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.ads-safe-meta {
  color: var(--text-muted);
  font-size: 12px;
}
.ads-safe-body {
  min-height: 108px;
  border: 1px dashed rgba(0, 229, 255, 0.22);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  overflow: hidden;
}
.ads-safe-placeholder {
  text-align: center;
  max-width: 760px;
}
.ads-safe-placeholder-title {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}
.ads-safe-placeholder-desc {
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.6;
  font-family: var(--font-mono);
}
.ads-safe-card.ads-live .ads-safe-body {
  min-height: 90px;
  padding: 0;
  border-style: solid;
}
.ads-safe-card.ads-live .ads-safe-placeholder {
  display: none;
}
.ads-safe-body .adsbygoogle {
  display: block;
  width: 100%;
}

/* =====================================================
   TOOLS SECTION & CATEGORIES
   ===================================================== */
.tools-section { position: relative; z-index: 1; padding: 0 0 80px; }
.tools-toolbar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}
.tool-search {
  position: relative;
  max-width: 560px;
}
.tool-search i {
  position: absolute;
  top: 50%;
  left: 14px;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
}
.tool-search-input {
  width: 100%;
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 12px 44px 12px 38px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.tool-search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.14);
}
.tool-search-clear {
  position: absolute;
  top: 50%;
  right: 8px;
  display: none;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.tool-search-clear:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}
.recent-tools-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.recent-tools-title {
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
}
.recent-tools-list {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.recent-tool-btn {
  border: 1px solid rgba(0, 229, 255, 0.25);
  background: rgba(0, 229, 255, 0.08);
  color: var(--accent-cyan);
  font-family: var(--font-body);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
}
.recent-tool-btn:hover {
  background: rgba(0, 229, 255, 0.18);
}
.tools-empty {
  padding: 12px 14px;
  margin-bottom: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 45, 120, 0.35);
  color: var(--accent-pink);
  background: rgba(255, 45, 120, 0.1);
  font-size: 13px;
}
.category { margin-bottom: 60px; }
.category-title {
  font-family: var(--font-brand); font-size: 20px; font-weight: 700;
  margin-bottom: 22px; display: flex; align-items: center; gap: 10px;
}
.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

/* ── Tool Card ── */
.tool-card {
  position: relative; background: var(--card-bg);
  border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 26px 22px; cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden; backdrop-filter: blur(10px);
  display: flex; flex-direction: column; gap: 10px;
}
.tool-card:hover {
  transform: translateY(-6px);
  border-color: var(--card-hover-border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), var(--glow);
}
.card-glow {
  position: absolute; top: -40%; right: -40%; width: 80%; height: 80%;
  background: radial-gradient(circle, rgba(0,229,255,0.07) 0%, transparent 70%);
  pointer-events: none; opacity: 0; transition: opacity 0.3s;
}
.tool-card:hover .card-glow { opacity: 1; }

.card-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 4px; font-weight: 700;
}
.neon-cyan { background: rgba(0,229,255,0.12); color: var(--accent-cyan); box-shadow: var(--glow); }
.neon-lime { background: rgba(57,255,20,0.12); color: var(--accent-lime); box-shadow: var(--glow-lime); }
.neon-pink { background: rgba(255,45,120,0.12); color: var(--accent-pink); box-shadow: var(--glow-pink); }
.neon-purple { background: rgba(168,85,247,0.12); color: var(--accent-purple); box-shadow: 0 0 30px rgba(168,85,247,0.2); }

.tool-card h3 { font-size: 15.5px; font-weight: 600; color: var(--text); line-height: 1.3; }
.tool-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; flex: 1; }

.btn-card {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px;
  background: rgba(0,229,255,0.1); border: 1px solid rgba(0,229,255,0.3);
  border-radius: 100px; color: var(--accent-cyan);
  font-size: 13px; font-weight: 600; font-family: var(--font-body);
  cursor: pointer; transition: all 0.2s; width: fit-content; margin-top: 4px;
}
.btn-card:hover { background: rgba(0,229,255,0.2); box-shadow: var(--glow); }

.featured { grid-column: span 2; }
.featured-badge {
  position: absolute; top: 14px; right: 14px;
  padding: 3px 10px; border-radius: 100px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  font-size: 10px; font-weight: 700; color: #000;
}

/* =====================================================
   TOOL MODAL OVERLAY
   ===================================================== */
.tool-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.75); backdrop-filter: blur(10px);
  display: none; align-items: center; justify-content: center;
  padding: 20px; overflow-y: auto;
}
.tool-overlay.open { display: flex; }
.tool-modal {
  background: linear-gradient(160deg, rgba(40,35,90,0.97), rgba(30,28,60,0.97));
  border: 1px solid rgba(0,229,255,0.2); border-radius: 20px;
  width: 100%; max-width: 820px; max-height: 90vh;
  overflow-y: auto; box-shadow: 0 30px 80px rgba(0,0,0,0.6), var(--glow);
  animation: modalIn 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.tool-modal.wide { max-width: 1050px; }
.tool-modal.fullscreen { max-width: 95vw; height: 90vh; display: flex; flex-direction: column; overflow: hidden; }
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.94) translateY(16px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 26px; border-bottom: 1px solid rgba(0,229,255,0.1);
  position: sticky; top: 0;
  background: linear-gradient(160deg, rgba(40,35,90,0.97), rgba(30,28,60,0.97));
  z-index: 1; border-radius: 20px 20px 0 0;
}
.modal-title-wrap { display: flex; align-items: center; gap: 12px; }
.modal-icon { font-size: 22px; }
.modal-header h2 { font-family: var(--font-brand); font-size: 18px; font-weight: 700; }
.modal-actions { display: flex; align-items: center; gap: 8px; }
.modal-link-btn {
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(0,229,255,0.1); border: 1px solid rgba(0,229,255,0.22);
  color: var(--accent-cyan); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; font-size: 14px;
  transition: all 0.2s;
}
.modal-link-btn:hover {
  background: rgba(0,229,255,0.2);
  border-color: rgba(0,229,255,0.5);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.12);
}
.close-btn {
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 15px; transition: all 0.2s;
}
.close-btn:hover { background: rgba(255,45,120,0.2); border-color: var(--accent-pink); color: var(--accent-pink); }
.modal-body { padding: 26px; }
.modal-body-iframe { padding: 0; display: flex; flex-direction: column; flex: 1; }
.modal-body-iframe iframe { flex: 1; width: 100%; border: none; min-height: 75vh; }
.hotmail-shell {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
  min-height: 0;
  padding: 16px;
  background:
    radial-gradient(circle at 10% 0%, rgba(0,229,255,0.08), transparent 32%),
    radial-gradient(circle at 90% 100%, rgba(255,45,120,0.08), transparent 36%),
    rgba(6,10,30,0.82);
}
.hotmail-shell-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(0,229,255,0.18);
  background: rgba(255,255,255,0.03);
}
.hotmail-shell-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.hotmail-shell-note {
  color: var(--text-muted);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hotmail-shell-actions {
  margin-bottom: 0;
}
.hotmail-shell-actions .tbtn {
  padding: 8px 14px;
  font-size: 12px;
}
.hotmail-inline-frame {
  flex: 1; width: 100%; border: 1px solid rgba(0,229,255,0.2);
  border-radius: 14px;
  min-height: 72vh;
  background: rgba(9,14,38,0.85);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.03);
}

/* =====================================================
   TOOL UI COMPONENTS
   ===================================================== */
.tool-row { display: flex; gap: 14px; margin-bottom: 16px; }
.tool-row > * { flex: 1; }

.input-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; }
.input-group label { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.hint-inline {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
}

.tool-input, .tool-textarea, .tool-select {
  width: 100%; background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,229,255,0.18); border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--font-body); font-size: 14px;
  padding: 11px 15px; transition: border-color 0.2s; outline: none;
}
.tool-input:focus, .tool-textarea:focus, .tool-select:focus {
  border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(0,229,255,0.1);
}
.tool-textarea {
  resize: vertical; min-height: 120px;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.65;
}
.tool-select { cursor: pointer; }
.tool-select option { background: #1a1a3e; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.tbtn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 13.5px; font-weight: 600;
  cursor: pointer; transition: all 0.2s; border: none;
}
.tbtn.cyan { background: linear-gradient(90deg, var(--accent-cyan), #0095cc); color: #000; }
.tbtn.cyan:hover { box-shadow: 0 4px 20px rgba(0,229,255,0.4); transform: translateY(-1px); }
.tbtn.pink { background: linear-gradient(90deg, var(--accent-pink), #cc0044); color: #fff; }
.tbtn.pink:hover { box-shadow: 0 4px 20px rgba(255,45,120,0.4); transform: translateY(-1px); }
.tbtn.lime { background: linear-gradient(90deg, var(--accent-lime), #00cc44); color: #000; }
.tbtn.lime:hover { box-shadow: 0 4px 20px rgba(57,255,20,0.4); transform: translateY(-1px); }
.tbtn.ghost { background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12); color: var(--text-muted); }
.tbtn.ghost:hover { background: rgba(255,255,255,0.12); color: var(--text); }

/* Output Box */
.output-box {
  background: rgba(0,0,0,0.3); border: 1px solid rgba(0,229,255,0.15);
  border-radius: var(--radius-sm); padding: 16px;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.7;
  color: var(--accent-cyan); min-height: 60px; word-break: break-all;
  position: relative; white-space: pre-wrap;
}
.output-box.big { font-size: 36px; letter-spacing: 8px; text-align: center; padding: 24px; font-family: var(--font-brand); }
.copy-btn-abs {
  position: absolute; top: 10px; right: 10px;
  background: rgba(0,229,255,0.15); border: 1px solid rgba(0,229,255,0.3);
  color: var(--accent-cyan); padding: 4px 12px; border-radius: 6px;
  font-size: 12px; cursor: pointer; font-family: var(--font-body); transition: all 0.2s;
}
.copy-btn-abs:hover { background: rgba(0,229,255,0.3); }

/* Output line in bulk results */
.result-line {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04); margin-bottom: 8px;
  border-left: 3px solid var(--accent-cyan); gap: 12px;
}
.result-line .label { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-line .code { font-family: var(--font-brand); font-size: 18px; color: var(--accent-lime); font-weight: 700; min-width: 80px; text-align: center; }
.result-line button { padding: 4px 12px; border-radius: 6px; font-size: 11px; cursor: pointer; font-family: var(--font-body); font-weight: 600; background: rgba(0,229,255,0.12); border: 1px solid rgba(0,229,255,0.3); color: var(--accent-cyan); transition: 0.2s; white-space: nowrap; }
.result-line button:hover { background: rgba(0,229,255,0.25); }

/* Progress ring */
.otp-timer-bar { height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; margin-top: 10px; overflow: hidden; }
.otp-timer-fill { height: 100%; background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime)); border-radius: 2px; transition: width 0.5s linear; }

/* Toggle (encode/decode) */
.toggle-tabs { display: flex; gap: 2px; background: rgba(0,0,0,0.3); border-radius: var(--radius-sm); padding: 4px; margin-bottom: 16px; }
.toggle-tab { flex: 1; padding: 8px; border-radius: 6px; border: none; background: none; color: var(--text-muted); font-family: var(--font-body); font-size: 13px; font-weight: 600; cursor: pointer; transition: 0.2s; }
.toggle-tab.active { background: rgba(0,229,255,0.2); color: var(--accent-cyan); }

/* Range slider */
.range-row { display: flex; align-items: center; gap: 14px; }
.tool-range { flex: 1; -webkit-appearance: none; height: 4px; background: rgba(255,255,255,0.15); border-radius: 2px; outline: none; cursor: pointer; }
.tool-range::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--accent-cyan); box-shadow: 0 0 8px var(--accent-cyan); }
.range-val { min-width: 36px; text-align: center; font-family: var(--font-brand); font-size: 16px; color: var(--accent-cyan); }

/* Checkboxes */
.check-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.check-label { display: flex; align-items: center; gap: 7px; font-size: 13.5px; cursor: pointer; }
.check-label input { width: 15px; height: 15px; accent-color: var(--accent-cyan); cursor: pointer; }

/* Strength bar */
.strength-bar { height: 5px; border-radius: 3px; margin-top: 10px; transition: width 0.3s, background 0.3s; }

/* Hash tabs */
.hash-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.htab { padding: 7px 14px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.05); color: var(--text-muted); font-size: 12px; font-weight: 600; cursor: pointer; transition: 0.2s; font-family: var(--font-body); }
.htab.active { border-color: var(--accent-cyan); color: var(--accent-cyan); background: rgba(0,229,255,0.1); }

/* IP info grid */
.ip-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.ip-item { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07); border-radius: var(--radius-sm); padding: 12px 14px; }
.ip-label { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 4px; }
.ip-value { font-size: 15px; font-weight: 600; color: var(--accent-cyan); }
.map-embed-wrap {
  margin-top: 14px;
  border: 1px solid rgba(0,229,255,0.22);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(0,0,0,0.2);
}
.map-embed-wrap iframe {
  width: 100%;
  min-height: 220px;
  border: none;
  display: block;
}

/* Status badge */
.badge { display: inline-block; padding: 3px 10px; border-radius: 100px; font-size: 11px; font-weight: 700; }
.badge.green { background: rgba(57,255,20,0.15); color: var(--accent-lime); }
.badge.red { background: rgba(255,45,120,0.15); color: var(--accent-pink); }
.badge.yellow { background: rgba(255,200,0,0.15); color: #ffc800; }
.uid-live-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(0,229,255,0.35);
  background: rgba(0,0,0,0.25);
  flex-shrink: 0;
}
.uid-live-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.note-meta {
  display: flex;
  gap: 20px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

/* QR area */
#qr-output { display: flex; align-items: center; justify-content: center; min-height: 180px; }
#qr-output canvas, #qr-output img { border-radius: var(--radius-sm); }

/* Separator */
.sep { height: 1px; background: rgba(255,255,255,0.07); margin: 20px 0; }

/* Section label */
.section-label { font-size: 13px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; }

/* Counter stats */
.counter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.counter-item { background: rgba(0,0,0,0.25); border: 1px solid rgba(255,255,255,0.07); border-radius: var(--radius-sm); padding: 14px; text-align: center; }
.counter-num { font-family: var(--font-brand); font-size: 26px; font-weight: 700; color: var(--accent-cyan); display: block; }
.counter-lbl { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* FAQ */
.faq-section {
  position: relative;
  z-index: 1;
  padding: 0 0 70px;
}
.faq-head {
  margin-bottom: 16px;
}
.faq-title {
  font-family: var(--font-brand);
  font-size: 24px;
  margin-bottom: 8px;
}
.faq-sub {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  max-width: 900px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  border: 1px solid rgba(0,229,255,0.18);
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  padding: 0 16px;
}
.faq-item[open] {
  border-color: rgba(0,229,255,0.4);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  padding: 13px 0;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item p {
  padding: 0 0 13px;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 13px;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  position: relative; z-index: 1;
  border-top: 1px solid rgba(0,229,255,0.1);
  background: rgba(15,12,41,0.6); backdrop-filter: blur(10px);
  padding: 36px 0;
}
.footer-content { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { font-size: 14px; color: var(--text-muted); transition: 0.2s; display: flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--accent-cyan); }
.footer-copy { font-size: 12px; color: var(--text-muted); text-align: right; line-height: 1.7; }

/* =====================================================
   TOAST
   ===================================================== */
.toast {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  background: rgba(0,229,255,0.15); border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan); padding: 12px 20px; border-radius: 10px;
  font-size: 14px; font-weight: 600; backdrop-filter: blur(12px);
  transform: translateY(80px); opacity: 0; transition: all 0.3s;
  pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
  .tools-grid { grid-template-columns: repeat(3, 1fr); }
  .nav-contact { display: none !important; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .featured { grid-column: span 2; }
  .hero { padding: 120px 0 60px; }
  .ads-safe-top { margin-top: -12px; }
  .ads-safe-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .ads-safe-body { min-height: 100px; }
  .hero-stats { gap: 24px; }
  .tool-row { flex-direction: column; }
  .ip-grid { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; align-items: flex-start; }
  .footer-copy { text-align: left; }
  .recent-tools-wrap { align-items: flex-start; }
  .hotmail-shell { padding: 12px; gap: 12px; }
  .hotmail-shell-toolbar { flex-direction: column; align-items: flex-start; }
  .hotmail-shell-meta { width: 100%; }
  .hotmail-shell-note { white-space: normal; }
  .hotmail-shell-actions { width: 100%; }
  .hotmail-shell-actions .tbtn { flex: 1; justify-content: center; }
}
@media (max-width: 480px) {
  .tools-grid { grid-template-columns: 1fr; }
  .featured { grid-column: span 1; }
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 20px; }
  .stat-num { font-size: 22px; }
  .tool-search-input { font-size: 13px; }
  .modal-actions { gap: 6px; }
  .modal-link-btn, .close-btn { width: 32px; height: 32px; }
  .hotmail-inline-frame { min-height: 66vh; }
  .hotmail-shell-actions .tbtn { min-width: 0; }
}

/* =====================================================
   LANGUAGE SWITCHER
   ===================================================== */
.lang-switcher { position: relative; margin-right: 8px; }
.lang-btn {
  background: rgba(0,229,255,0.1); border: 1px solid rgba(0,229,255,0.3);
  color: var(--accent-cyan); padding: 7px 14px; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.lang-btn:hover { background: rgba(0,229,255,0.2); box-shadow: var(--glow); }
.lang-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0;
  background: rgba(20,16,50,0.97); border: 1px solid rgba(0,229,255,0.2);
  border-radius: var(--radius-sm); padding: 6px; min-width: 160px;
  backdrop-filter: blur(20px); box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  display: none; flex-direction: column; gap: 2px; z-index: 200;
}
.lang-dropdown.open { display: flex; }
.lang-option {
  background: none; border: none; color: var(--text-muted);
  padding: 9px 14px; border-radius: 6px; text-align: left;
  font-family: var(--font-body); font-size: 13.5px; cursor: pointer;
  transition: all 0.15s; width: 100%;
}
.lang-option:hover { background: rgba(255,255,255,0.07); color: var(--text); }
.lang-option.active { background: rgba(0,229,255,0.12); color: var(--accent-cyan); font-weight: 600; }

/* RTL Support */
[dir="rtl"] .lang-dropdown { right: auto; left: 0; }
[dir="rtl"] .lang-option { text-align: right; }
[dir="rtl"] .footer-copy { text-align: left; }
[dir="rtl"] .result-line { direction: rtl; }
[dir="rtl"] .hero-title { direction: rtl; }
[dir="rtl"] .category-title { direction: rtl; flex-direction: row-reverse; }
[dir="rtl"] .nav-links { flex-direction: row-reverse; }
[dir="rtl"] .modal-title-wrap { flex-direction: row-reverse; }

@media (max-width: 768px) {
  .lang-switcher { margin-right: 0; }
  .lang-btn { padding: 6px 10px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .gradient-text { animation: none; }
  .tool-card, .btn, .btn-card, .tbtn, .toast, .tool-search-input, .tool-search-clear, .recent-tool-btn {
    transition: none !important;
  }
}