@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── Design Tokens ─────────────────────────────────────── */
:root {
  --bg:        #0A0A0F;
  --bg-1:      #111118;
  --bg-2:      #18181F;
  --bg-3:      #1F1F28;
  --border:    rgba(255,255,255,0.08);
  --border-md: rgba(255,255,255,0.12);

  --text:      #F4F4F5;
  --text-2:    #A1A1AA;
  --text-3:    #52525B;

  --accent:    #6366F1;
  --accent-h:  #4F46E5;
  --green:     #22C55E;
  --red:       #EF4444;
  --yellow:    #F59E0B;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
}

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

html, body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ═══════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ═══════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}

.header-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.header-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.3px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.header-nav a {
  font-size: 0.875rem;
  color: var(--text-2);
  padding: 0.4rem 0.75rem;
  border-radius: var(--r-sm);
  font-weight: 500;
  transition: all 0.15s;
}

.header-nav a:hover { color: var(--text); background: var(--bg-2); }

.nav-tools-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 0.4rem 0.75rem;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text) !important;
  transition: all 0.15s;
}

.nav-tools-btn:hover { background: var(--bg-3); border-color: var(--border-md); }

.tools-btn-arrow { font-size: 0.7rem; color: var(--text-3); transition: transform 0.2s; }

.nav-tools-btn-active {
  border-color: var(--accent);
  background: rgba(99,102,241,0.08);
  color: var(--accent) !important;
}
.nav-tools-btn-google  { border-color: #4285F4 !important; background: rgba(66,133,244,0.08)  !important; color: #4285F4  !important; }
.nav-tools-btn-instagram { border-color: #E1306C !important; background: rgba(225,48,108,0.08) !important; color: #E1306C  !important; }
.nav-tools-btn-tiktok  { border-color: #00F2EA !important; background: rgba(0,242,234,0.08)   !important; color: #00F2EA  !important; }
.nav-tools-btn-youtube { border-color: #FF4040 !important; background: rgba(255,64,64,0.08)   !important; color: #FF4040  !important; }
.nav-tools-btn-pinterest { border-color: #E60023 !important; background: rgba(230,0,35,0.08)  !important; color: #E60023  !important; }
.nav-tools-btn-twitter { border-color: #1D9BF0 !important; background: rgba(29,155,240,0.08)  !important; color: #1D9BF0  !important; }
.nav-tools-btn-chplay  { border-color: #01875F !important; background: rgba(1,135,95,0.08)    !important; color: #01875F  !important; }
.nav-tools-btn-appstore { border-color: #0D96F6 !important; background: rgba(13,150,246,0.08) !important; color: #0D96F6  !important; }

.nav-sep { width: 1px; height: 20px; background: var(--border); margin: 0 0.25rem; }

.nav-link {
  font-size: 0.875rem;
  color: var(--text-2);
  padding: 0.4rem 0.65rem;
  border-radius: var(--r-sm);
  font-weight: 500;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 5px;
}
.nav-link:hover { color: var(--text); background: var(--bg-2); }
.nav-link-active { color: var(--text) !important; background: var(--bg-2) !important; }

.nav-download-btn {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--green);
  padding: 0.35rem 0.7rem;
  border-radius: var(--r-sm);
  border: 1px solid rgba(34,197,94,0.3);
  background: rgba(34,197,94,0.06);
  transition: all 0.15s;
  white-space: nowrap;
}
.nav-download-btn:hover { background: rgba(34,197,94,0.12); border-color: rgba(34,197,94,0.5); color: var(--green); }

.menu-item-active {
  background: var(--bg-2) !important;
  color: var(--text) !important;
}
.menu-item-active .icon { box-shadow: 0 0 0 1px var(--border-md); }

/* ═══════════════════════════════════════════════════════════
   MEGA MENU
   ═══════════════════════════════════════════════════════════ */
.mega-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 200;
}

.mega-menu {
  position: fixed;
  top: 56px;
  left: 50%;
  transform: translateX(-50%);
  width: min(96vw, 860px);
  background: var(--bg-1);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  padding: 1.25rem 1.5rem;
  z-index: 201;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  animation: menuSlide 0.15s ease-out;
}

@keyframes menuSlide {
  from { opacity: 0; transform: translateX(-50%) translateY(-6px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.mega-menu-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.25rem;
}

.menu-col .menu-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-3);
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.5rem 0.6rem;
  border-radius: var(--r-sm);
  font-size: 0.85rem;
  color: var(--text-2);
  font-weight: 500;
  transition: all 0.12s;
}

.menu-item:hover { background: var(--bg-2); color: var(--text); }

.menu-item .icon {
  width: 26px; height: 26px;
  border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; flex-shrink: 0;
}

.menu-item.google   .icon { background: rgba(66,133,244,0.12); color: #4285F4; }
.menu-item.instagram .icon { background: rgba(225,48,108,0.12); color: #E1306C; }
.menu-item.tiktok   .icon { background: rgba(0,242,234,0.12);  color: #00F2EA; }
.menu-item.youtube  .icon { background: rgba(255,0,0,0.12);    color: #FF4040; }
.menu-item.pinterest .icon { background: rgba(230,0,35,0.12);  color: #E60023; }
.menu-item.twitter  .icon { background: rgba(29,161,242,0.12); color: #1D9BF0; }
.menu-item.chplay   .icon { background: rgba(1,135,95,0.12);   color: #01875F; }
.menu-item.appstore .icon { background: rgba(13,150,246,0.12); color: #0D96F6; }
.menu-item.settings .icon { background: rgba(161,161,170,0.12); color: #A1A1AA; }

.mega-footer {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  gap: 0.5rem;
}

.mega-footer button {
  background: transparent;
  color: var(--text-3);
  border: 1px solid var(--border);
  padding: 0.35rem 1rem;
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  transition: all 0.15s;
}

.mega-footer button:hover { background: var(--bg-2); color: var(--text-2); }

/* ═══════════════════════════════════════════════════════════
   TOOL PAGES — SHARED LAYOUT
   ═══════════════════════════════════════════════════════════ */
.tool-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem;
  min-height: calc(100vh - 56px);
}

.tool-header {
  margin-bottom: 1.5rem;
}

.tool-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  letter-spacing: -0.3px;
}

.tool-header p {
  color: var(--text-2);
  margin-top: 0.3rem;
  font-size: 0.875rem;
}

/* ─── Tabs ──────────────────────────────────────────────── */
.tool-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.tool-tab {
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: -1px;
  text-decoration: none;
  display: inline-block;
}

.tool-tab:hover { color: var(--text); }

.tool-tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.tab-btn {
  padding: 0.45rem 1rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.tab-btn:hover { background: var(--bg-3); color: var(--text); }
.tab-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ─── Card / Form ───────────────────────────────────────── */
.card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.25rem;
}

.tool-form {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.tool-form label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 0.3rem;
}

.tool-form input,
.tool-form select,
.tool-form textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.55rem 0.75rem;
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
}

.tool-form input:focus,
.tool-form select:focus,
.tool-form textarea:focus { border-color: var(--accent); }

.tool-form input::placeholder,
.tool-form textarea::placeholder { color: var(--text-3); }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.875rem;
}

.form-group { display: flex; flex-direction: column; }

/* ─── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 1rem;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
}

.btn-primary, .btn-submit {
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1.25rem;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
}

.btn-primary:hover, .btn-submit:hover { background: var(--accent-h); }
.btn-primary:disabled, .btn-submit:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-secondary {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 0.5rem 1.25rem;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.15s;
  cursor: pointer;
}

.btn-secondary:hover { background: var(--bg-3); color: var(--text); }

.btn-danger {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.2);
  color: #f87171;
  padding: 0.35rem 0.75rem;
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.15s;
  cursor: pointer;
}

.btn-danger:hover { background: rgba(239,68,68,0.2); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.15s;
  cursor: pointer;
}

.btn-ghost:hover { background: var(--bg-2); color: var(--text); }

/* ─── Table ─────────────────────────────────────────────── */
.results-section {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}

.table-wrap { overflow-x: auto; }

.result-table, .data-table {
  width: 100%;
  border-collapse: collapse;
}

.result-table th, .data-table th {
  text-align: left;
  padding: 0.65rem 0.875rem;
  font-size: 0.75rem;
  color: var(--text-3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  white-space: nowrap;
}

.result-table td, .data-table td {
  padding: 0.65rem 0.875rem;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  vertical-align: middle;
}

.result-table tr:last-child td,
.data-table tr:last-child td { border-bottom: none; }

.result-table tr:hover td,
.data-table tr:hover td { background: var(--bg-2); }

/* ─── Status badges ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-green  { background: rgba(34,197,94,0.12);  color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.badge-red    { background: rgba(239,68,68,0.12);  color: #f87171; border: 1px solid rgba(239,68,68,0.2); }
.badge-yellow { background: rgba(245,158,11,0.12); color: #fbbf24; border: 1px solid rgba(245,158,11,0.2); }
.badge-blue   { background: rgba(99,102,241,0.12); color: #818cf8; border: 1px solid rgba(99,102,241,0.2); }
.badge-gray   { background: rgba(113,113,122,0.12);color: #a1a1aa; border: 1px solid rgba(113,113,122,0.2); }

/* ─── Flash messages ────────────────────────────────────── */
.flash {
  padding: 0.6rem 1rem;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.flash-ok  { background: rgba(34,197,94,0.1);  color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.flash-err { background: rgba(239,68,68,0.1);  color: #f87171; border: 1px solid rgba(239,68,68,0.2); }

/* ─── Pagination ────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
  padding: 1rem;
}

.pagination button {
  min-width: 32px; height: 32px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  transition: all 0.15s;
}

.pagination button:hover { background: var(--bg-3); color: var(--text); }
.pagination button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination button:disabled { opacity: 0.35; cursor: not-allowed; }

.page-btn {
  min-width: 30px; height: 30px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  transition: all 0.15s;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.page-btn:hover { background: var(--bg-3); color: var(--text); }
.page-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.page-info {
  font-size: 0.8rem;
  color: var(--text-3);
  padding: 0 0.25rem;
  min-width: 50px;
  text-align: center;
}

/* ─── Empty state ───────────────────────────────────────── */
.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-3);
  font-size: 0.875rem;
}

.empty-icon { font-size: 2rem; margin-bottom: 0.5rem; }

/* ─── Modal ─────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal {
  background: var(--bg-1);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-header h3 { font-size: 1rem; font-weight: 700; }

.modal-close {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  width: 28px; height: 28px;
  border-radius: var(--r-sm);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}

.modal-close:hover { background: var(--bg-3); color: var(--text); }

/* ═══════════════════════════════════════════════════════════
   HOMEPAGE
   ═══════════════════════════════════════════════════════════ */
.hero {
  min-height: 65vh;
  display: flex;
  align-items: center;
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  gap: 4rem;
}

.hero-left { flex: 1; }

.hero-left h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.8px;
  margin-bottom: 1.25rem;
}

.hero-left h1 span { color: var(--accent); }

.hero-left p {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.hero-actions { display: flex; gap: 0.75rem; }

.hero-right { flex: 1; display: flex; justify-content: center; }

.video-wrapper {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 16/9;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.video-wrapper iframe { width: 100%; height: 100%; border: none; }

.features {
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.features h2 {
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.5rem;
  letter-spacing: -0.4px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.feature-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.feature-card:hover { border-color: var(--border-md); }

.feature-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.4rem; }
.feature-card p  { color: var(--text-2); font-size: 0.875rem; line-height: 1.6; }

.socials {
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.socials h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.4rem; }
.socials > div > p { color: var(--text-2); margin-bottom: 2.5rem; font-size: 0.9rem; }

.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
}

.social-item {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: border-color 0.2s;
}

.social-item:hover { border-color: var(--border-md); }

.contact {
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.contact-left h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 1rem; }
.contact-left p  { color: var(--text-2); line-height: 1.75; font-size: 0.9rem; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.contact-form input,
.contact-form textarea {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.65rem 0.875rem;
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
}

.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--accent); }

.contact-form button {
  background: var(--accent);
  color: white;
  padding: 0.65rem;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: 0.875rem;
  transition: background 0.15s;
}

.contact-form button:hover { background: var(--accent-h); }

.cta {
  text-align: center;
  padding: 5rem 2rem;
  border-top: 1px solid var(--border);
}

.cta h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 1.25rem; }

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-3);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .hero { flex-direction: column; text-align: center; padding: 2.5rem 1rem; gap: 2rem; }
  .hero-left p { margin: 0 auto 1.5rem; }
  .hero-actions { justify-content: center; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .mega-menu { padding: 1rem; }
  .mega-menu-inner { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .tool-page { padding: 1.25rem 1rem; }
}