/* Shared premium tool page refresh */
:root {
  --tool-blue: #2563eb;
  --tool-purple: #7c3aed;
  --tool-cyan: #06b6d4;
  --tool-ink: #0f172a;
  --tool-muted: #64748b;
  --tool-line: #e2e8f0;
  --tool-card: rgba(255, 255, 255, 0.9);
  --tool-shadow: rgba(15, 23, 42, 0.12);
}

body.ec-tool-page {
  background:
    radial-gradient(circle at 8% 18%, rgba(6, 182, 212, 0.16), transparent 24rem),
    radial-gradient(circle at 92% 12%, rgba(124, 58, 237, 0.17), transparent 28rem),
    linear-gradient(135deg, #f8fbff 0%, #f7f3ff 50%, #effdff 100%) !important;
  color: var(--tool-ink) !important;
  font-family: 'Inter', 'Noto Sans KR', 'DM Sans', system-ui, sans-serif !important;
}

body.ec-tool-page::before {
  display: none !important;
}

.ec-tool-page header {
  position: sticky !important;
  top: 0;
  z-index: 1000 !important;
  display: grid !important;
  grid-template-columns: auto minmax(0, 1fr) !important;
  align-items: center !important;
  gap: 1.5rem !important;
  padding: 0.9rem clamp(1rem, 4vw, 3rem) !important;
  border-bottom: 1px solid rgba(226, 232, 240, 0.88) !important;
  background: rgba(255, 255, 255, 0.88) !important;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.05) !important;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.ec-tool-page .brand-link {
  color: var(--tool-ink) !important;
  gap: 0.65rem !important;
  min-width: max-content;
}

.ec-tool-page .logo-text {
  font-family: 'Inter', 'Noto Sans KR', sans-serif !important;
  font-size: 1.15rem !important;
  font-weight: 900 !important;
  letter-spacing: 0 !important;
}

.ec-tool-page .logo-text span {
  color: inherit !important;
}

.ec-tool-page .top-nav {
  justify-content: flex-end !important;
  gap: clamp(0.75rem, 1.5vw, 1.35rem) !important;
}

.ec-tool-page .top-nav a,
.ec-tool-page .tools-toggle {
  color: var(--tool-ink) !important;
  font-size: 0.88rem !important;
  font-weight: 800 !important;
}

.ec-tool-search {
  display: grid !important;
  grid-template-columns: auto minmax(5.8rem, 1fr);
  align-items: center;
  gap: 0.45rem;
  min-width: 12rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--tool-line);
  border-radius: 999px;
  background: rgba(248, 250, 252, 0.92);
  color: var(--tool-muted) !important;
}

.ec-tool-search input {
  min-width: 0;
  border: 0 !important;
  background: transparent !important;
  color: var(--tool-ink) !important;
  padding: 0 !important;
  font-size: 0.82rem !important;
  outline: none;
}

.ec-tool-page .ec-try-pro {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  padding: 0 1rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--tool-blue), var(--tool-purple));
  color: #fff !important;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.22);
}

.ec-tool-page .tools-toggle::after,
.ec-tool-page .language-toggle::after {
  content: '\f078' !important;
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.62rem;
  margin-left: 0.35rem;
}

.ec-tool-page .tools-dropdown {
  z-index: 5000 !important;
  background: rgba(255, 255, 255, 0.98) !important;
  border: 1px solid var(--tool-line) !important;
  border-radius: 12px !important;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.16) !important;
}

.ec-tool-page .tools-group-title {
  color: var(--tool-ink) !important;
  border-bottom-color: var(--tool-line) !important;
}

.ec-tool-page .tools-dropdown a,
.ec-tool-page .tools-soon {
  color: #334155 !important;
  border-radius: 8px !important;
}

.ec-tool-page .tools-dropdown a:hover {
  color: var(--tool-blue) !important;
  background: rgba(37, 99, 235, 0.08) !important;
}

.ec-tool-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.15rem 0 0;
}

.ec-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.35rem 0 1.2rem;
  color: var(--tool-muted);
  font-size: 0.84rem;
  font-weight: 750;
}

.ec-breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.ec-breadcrumb a:hover {
  color: var(--tool-blue);
}

.ec-tool-page main {
  width: min(1180px, calc(100% - 2rem)) !important;
  max-width: none !important;
  margin: 0 auto !important;
  padding: 1rem 0 3rem !important;
}

.ec-tool-page .hero {
  display: grid !important;
  justify-items: center !important;
  gap: 0.8rem !important;
  text-align: center !important;
  margin: 0 0 2.2rem !important;
}

.ec-tool-flow-icon {
  display: inline-grid;
  grid-template-columns: auto auto auto;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.4rem;
}

.ec-file-badge {
  width: 3.05rem;
  height: 3.05rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--tool-blue);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.12);
}

.ec-file-badge.ec-output {
  background: rgba(124, 58, 237, 0.11);
  color: var(--tool-purple);
}

.ec-tool-flow-icon > i {
  color: var(--tool-blue);
}

.ec-tool-page .hero h1,
.ec-tool-page h1 {
  max-width: 860px !important;
  margin: 0 !important;
  color: var(--tool-ink) !important;
  font-family: 'Inter', 'Noto Sans KR', system-ui, sans-serif !important;
  font-size: clamp(2.45rem, 5vw, 4.1rem) !important;
  line-height: 1.05 !important;
  letter-spacing: 0 !important;
}

.ec-tool-page .hero h1 span,
.ec-title-accent {
  background: linear-gradient(135deg, var(--tool-blue), var(--tool-purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ec-tool-page .hero p {
  max-width: 640px !important;
  color: #475569 !important;
  font-size: 1.04rem !important;
  line-height: 1.65 !important;
  letter-spacing: 0 !important;
}

.ec-tool-chips {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.55rem;
}

.ec-tool-chips span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2rem;
  padding: 0.35rem 0.72rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: #334155;
  font-size: 0.78rem;
  font-weight: 850;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.ec-tool-chips i {
  color: var(--tool-blue);
}

.ec-tool-page .tool-card,
.ec-tool-page .converter-card,
.ec-tool-page .upload-card {
  width: min(840px, 100%) !important;
  margin: 0 auto 2rem !important;
  padding: clamp(1.25rem, 3vw, 2.1rem) !important;
  border: 1px solid rgba(226, 232, 240, 0.9) !important;
  border-radius: 22px !important;
  background: var(--tool-card) !important;
  box-shadow: 0 28px 70px var(--tool-shadow) !important;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.ec-tool-page .drop-zone {
  display: grid !important;
  justify-items: center !important;
  gap: 0.78rem !important;
  min-height: 260px !important;
  padding: clamp(1.6rem, 5vw, 3rem) !important;
  border: 2px dashed #cbd5e1 !important;
  border-radius: 18px !important;
  background: rgba(248, 250, 252, 0.72) !important;
  color: var(--tool-ink) !important;
  text-align: center !important;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease !important;
}

.ec-tool-page .drop-zone:hover,
.ec-tool-page .drop-zone.dragover,
.ec-tool-page .drop-zone.dragging {
  border-color: var(--tool-blue) !important;
  background: rgba(37, 99, 235, 0.06) !important;
  transform: translateY(-2px);
}

.ec-tool-page .drop-zone i,
.ec-tool-page .drop-icon {
  color: #fff !important;
}

.ec-drop-cloud {
  width: 4.4rem;
  height: 4.4rem;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--tool-blue), var(--tool-purple));
  color: #fff;
  font-size: 1.75rem;
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.24);
}

.ec-tool-page .drop-zone strong,
.ec-tool-page .drop-zone h2,
.ec-tool-page .drop-title {
  color: var(--tool-ink) !important;
  font-size: 1.1rem !important;
  font-weight: 900 !important;
  letter-spacing: 0 !important;
}

.ec-tool-page .drop-zone p,
.ec-tool-page .drop-zone span,
.ec-tool-page .drop-subtitle {
  color: var(--tool-muted) !important;
  font-size: 0.92rem !important;
  line-height: 1.5 !important;
}

.ec-file-note {
  color: var(--tool-muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.ec-tool-page input[type='file'] {
  display: none !important;
}

.ec-tool-page .primary-btn,
.ec-tool-page button[id*='convert'],
.ec-tool-page #convertBtn,
.ec-tool-page .convert-btn {
  min-height: 3.35rem !important;
  border: 0 !important;
  border-radius: 12px !important;
  background: linear-gradient(135deg, var(--tool-blue), var(--tool-purple)) !important;
  color: #fff !important;
  box-shadow: 0 18px 34px rgba(37, 99, 235, 0.22) !important;
  font: inherit !important;
  font-weight: 900 !important;
  letter-spacing: 0 !important;
}

.ec-tool-page .primary-btn:disabled,
.ec-tool-page #convertBtn:disabled {
  opacity: 0.55 !important;
  cursor: not-allowed !important;
  box-shadow: none !important;
}

.ec-tool-page select,
.ec-tool-page input:not([type='file']),
.ec-tool-page textarea {
  border: 1px solid var(--tool-line) !important;
  border-radius: 12px !important;
  background: rgba(255, 255, 255, 0.86) !important;
  color: var(--tool-ink) !important;
}

.ec-tool-page label {
  color: #334155 !important;
  font-weight: 850 !important;
}

.ec-tool-page .status,
.ec-tool-page #status {
  color: var(--tool-muted) !important;
}

.ec-feature-strip {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 0 auto 3.5rem;
}

.ec-feature-strip article {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.15rem 0.75rem;
  align-items: center;
}

.ec-feature-strip i {
  grid-row: span 2;
  width: 2.35rem;
  height: 2.35rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: var(--tool-cyan);
  background: rgba(6, 182, 212, 0.1);
}

.ec-feature-strip strong {
  font-size: 0.9rem;
  color: var(--tool-ink);
}

.ec-feature-strip span {
  color: var(--tool-muted);
  font-size: 0.84rem;
}

.ec-info-grid {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1.35rem;
  margin: 0 auto 2.5rem;
}

.ec-info-panel {
  padding: clamp(1.25rem, 3vw, 1.8rem);
  border: 1px solid var(--tool-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.75);
}

.ec-info-panel h2 {
  margin-bottom: 1rem;
  color: var(--tool-ink);
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  letter-spacing: 0;
}

.ec-step-list,
.ec-check-list {
  display: grid;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.ec-step-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.8rem;
}

.ec-step-list b {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--tool-blue);
}

.ec-step-list strong,
.ec-check-list strong {
  display: block;
  color: var(--tool-ink);
  font-size: 0.92rem;
}

.ec-step-list span,
.ec-check-list span {
  color: var(--tool-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.ec-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: var(--tool-muted);
}

.ec-check-list i {
  color: var(--tool-blue);
  margin-top: 0.15rem;
}

.ec-mini-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.6rem;
  color: var(--tool-blue);
}

.ec-related {
  width: min(980px, 100%);
  margin: 0 auto 3rem;
  text-align: center;
}

.ec-related h2 {
  margin-bottom: 1rem;
  color: var(--tool-ink);
  font-size: 1.3rem;
}

.ec-related-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.ec-related-grid a {
  display: grid;
  justify-items: center;
  gap: 0.45rem;
  min-height: 132px;
  padding: 1rem;
  border: 1px solid var(--tool-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--tool-ink);
  text-decoration: none;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.05);
}

.ec-related-grid i {
  width: 2.7rem;
  height: 2.7rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.09);
  color: var(--tool-blue);
}

.ec-related-grid strong {
  font-size: 0.9rem;
}

.ec-related-grid span {
  color: var(--tool-muted);
  font-size: 0.78rem;
}

.ec-security-band {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) repeat(3, minmax(0, 0.75fr));
  gap: 1rem;
  align-items: center;
  margin: 0 auto;
  padding: 1.35rem;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.9), rgba(236, 254, 255, 0.9));
  border: 1px solid rgba(186, 230, 253, 0.75);
}

.ec-security-band h2 {
  margin-bottom: 0.35rem;
  color: var(--tool-blue);
  font-size: 1.08rem;
}

.ec-security-band p,
.ec-security-band span {
  color: var(--tool-muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.ec-security-item {
  display: grid;
  gap: 0.3rem;
}

.ec-security-item i {
  color: var(--tool-blue);
}

.ec-tool-page .site-footer {
  background: rgba(255, 255, 255, 0.72) !important;
  border-top-color: var(--tool-line) !important;
  color: var(--tool-muted) !important;
}

.ec-tool-page .language-dropdown {
  z-index: 5000 !important;
}

@media (max-width: 980px) {
  .ec-tool-page header {
    grid-template-columns: 1fr !important;
  }

  .ec-tool-page .top-nav {
    justify-content: flex-start !important;
  }

  .ec-feature-strip,
  .ec-info-grid,
  .ec-related-grid,
  .ec-security-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .ec-tool-page .tools-dropdown.mega-tools,
  .ec-tool-page .tools-dropdown {
    left: 0 !important;
    right: auto !important;
    width: min(92vw, 560px) !important;
    grid-template-columns: 1fr !important;
  }

  .ec-feature-strip,
  .ec-info-grid,
  .ec-related-grid,
  .ec-security-band {
    grid-template-columns: 1fr;
  }

  .ec-tool-page .drop-zone {
    min-height: 220px !important;
  }
}