@import url("https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap");

:root {
  --bg: #f0f1f2;
  --surface: #ffffff;
  --text: #191b20;
  --muted: #636871;
  --line: #d9dbe0;
  --green: #0c9f6f;
  --green-dark: #0a845c;
  --blue: #2b77e5;
  --black: #060707;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Be Vietnam Pro", "Noto Sans", sans-serif;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}

.topbar-inner {
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 800;
}

.brand-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: #000;
  color: #fff;
  display: grid;
  place-items: center;
}

.top-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-blog-link {
  min-height: 42px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  border-radius: 12px;
  border: 1px solid #dbe1ea;
  background: #f8fafc;
  color: #1d4ed8;
  text-decoration: none;
  font-weight: 700;
}

.lang-control {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 12px;
  background: #f7f8fa;
  border: 1px solid #e5e7eb;
}

.lang-control label {
  color: #6b7280;
  font-size: 13px;
  font-weight: 600;
}

#language-select {
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 14px;
  color: #111827;
  cursor: pointer;
}

#language-select:focus {
  outline: none;
}

.container {
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: 34px 22px 38px;
}

.hero {
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: clamp(36px, 4.6vw, 68px);
  font-weight: 800;
  line-height: 1.05;
}

.hero h1 em {
  color: var(--green);
  font-style: normal;
}

.hero p {
  margin: 16px 0 0;
  color: #666b73;
  font-size: clamp(18px, 2vw, 34px);
}

.platform-tabs {
  margin: 28px auto 0;
  width: min(860px, 100%);
  background: #fff;
  border: 2px solid #e4e7ec;
  border-radius: 22px;
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.tab {
  border: 0;
  border-radius: 16px;
  min-height: 68px;
  background: transparent;
  color: #8b9097;
  font: inherit;
  font-size: clamp(22px, 1.3vw, 28px);
  font-weight: 700;
  cursor: pointer;
}

.tab.active {
  background: #000;
  color: #fff;
}

.tab:disabled {
  cursor: not-allowed;
  opacity: 0.75;
}

.downloader-card {
  margin-top: 18px;
  background: var(--surface);
  border: 2px solid #bdd7ff;
  border-radius: 24px;
  padding: 16px;
}

.card-tag {
  margin: 0;
  display: inline-flex;
  align-items: center;
  height: 56px;
  padding: 0 18px;
  border-radius: 18px;
  background: var(--black);
  color: #fff;
  letter-spacing: 1.5px;
  font-size: clamp(16px, 1.1vw, 22px);
  font-weight: 800;
}

.quick-form {
  margin-top: 2px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
}

.input-wrap {
  min-width: 0;
  display: flex;
  gap: 10px;
  align-items: center;
}

input {
  flex: 1;
  width: 100%;
  border: 0;
  border-radius: 16px;
  min-height: 72px;
  padding: 0 18px;
  font: inherit;
  font-size: clamp(18px, 1.25vw, 24px);
  color: var(--text);
  background: #f7f8fa;
}

input::placeholder {
  color: #a8adb4;
}

input:focus {
  outline: 3px solid rgba(43, 119, 229, 0.25);
}

.paste-btn {
  border: 0;
  border-radius: 14px;
  min-height: 56px;
  min-width: 130px;
  padding: 0 16px;
  background: #111827;
  color: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.paste-btn:hover {
  background: #0b1220;
}

.quick-submit {
  border: 0;
  border-radius: 16px;
  min-height: 72px;
  min-width: 260px;
  padding: 0 26px;
  background: var(--blue);
  color: #fff;
  font: inherit;
  font-size: clamp(18px, 1.35vw, 28px);
  font-weight: 700;
  cursor: pointer;
}

.quick-submit:hover {
  filter: brightness(0.96);
}

.mobile-save-btn {
  display: none;
  grid-column: 1 / -1;
  border: 0;
  border-radius: 14px;
  min-height: 56px;
  padding: 0 16px;
  background: #0f172a;
  color: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.mobile-save-btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.mobile-save-btn.mobile-visible {
  display: block;
}

.status {
  min-height: 32px;
  margin: 10px 4px 0;
  color: var(--muted);
  font-size: 18px;
  font-weight: 600;
}

.result-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.hidden {
  display: none;
}

.preview-card,
.action-card {
  background: #fff;
  border: 1px solid #e2e5ea;
  border-radius: 24px;
  padding: 14px;
}

.preview-media {
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  background:
    linear-gradient(135deg, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.62)),
    radial-gradient(circle at 30% 20%, #1f2937, #030712 70%);
}

.preview-overlay {
  position: absolute;
  inset: auto 0 0;
  padding: 14px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.82), transparent);
  color: #fff;
}

.preview-overlay p {
  margin: 0;
  font-size: clamp(20px, 1.3vw, 30px);
  font-weight: 800;
}

.preview-overlay small {
  display: block;
  margin-top: 4px;
  color: #e5e7eb;
  font-size: clamp(14px, 1vw, 18px);
}

.action-card {
  padding: 16px;
}

.action-card h2 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: clamp(24px, 1.4vw, 34px);
}

.action-card h2 span {
  color: #10b981;
}

.mode-btn {
  margin-top: 12px;
  width: 100%;
  min-height: 70px;
  border: 0;
  border-radius: 16px;
  font: inherit;
  font-size: clamp(18px, 1.2vw, 26px);
  font-weight: 700;
  cursor: pointer;
}

.mode-btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.mode-btn.nowm {
  background: var(--green);
  color: #fff;
}

.mode-btn.nowm:hover:not(:disabled) {
  background: var(--green-dark);
}

.mode-btn.hd {
  background: #000;
  color: #fff;
}

.mode-btn.mp3 {
  background: #fff;
  color: #111827;
  border: 3px solid #dfe3e8;
}

.author-card {
  margin-top: 14px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 24px;
  background: #f3f4f6;
}

.author-label {
  margin: 0;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 12px;
  font-weight: 700;
}

.author-name {
  margin: 4px 0 0;
  font-size: clamp(18px, 1.2vw, 24px);
  font-weight: 700;
}

.guide-section {
  margin-top: 22px;
}

.guide-card {
  background: #fff;
  border: 1px solid #e2e5ea;
  border-radius: 24px;
  padding: 18px;
}

.guide-card h2 {
  margin: 0;
  font-size: clamp(24px, 1.5vw, 34px);
}

.guide-intro {
  margin: 10px 0 0;
  color: #636871;
  font-size: clamp(16px, 1vw, 20px);
}

.guide-card h3 {
  margin: 18px 0 8px;
  font-size: clamp(18px, 1.15vw, 24px);
}

.guide-list {
  margin: 0;
  padding-left: 20px;
  color: #374151;
}

.guide-list li {
  margin: 6px 0;
  line-height: 1.45;
}

.steps {
  display: grid;
  gap: 10px;
}

.steps article {
  border: 1px solid #e8eaee;
  border-radius: 14px;
  padding: 12px;
  background: #fbfcfd;
}

.steps h4 {
  margin: 0;
  font-size: clamp(16px, 1.05vw, 20px);
}

.steps p {
  margin: 6px 0 0;
  color: #4b5563;
}

.faq-section,
.seo-links-section {
  margin-top: 18px;
}

.faq-card,
.seo-links-section {
  background: #fff;
  border: 1px solid #e2e5ea;
  border-radius: 24px;
  padding: 18px;
}

.faq-card h2,
.seo-links-section h2 {
  margin: 0;
  font-size: clamp(22px, 1.45vw, 32px);
}

.faq-item {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid #eceff3;
}

.faq-item:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.faq-item h3 {
  margin: 0;
  font-size: clamp(18px, 1.2vw, 24px);
}

.faq-item p {
  margin: 8px 0 0;
  color: #4b5563;
  line-height: 1.55;
}

.seo-links {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.seo-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid #d8dde6;
  color: #0f172a;
  text-decoration: none;
  font-weight: 600;
  background: #f8fafc;
}

.seo-links a:hover {
  border-color: #93c5fd;
  color: #1d4ed8;
}

.seo-note {
  margin: 12px 0 0;
  color: #6b7280;
  line-height: 1.5;
}

.blog-home-section {
  margin-top: 18px;
  background: #fff;
  border: 1px solid #e2e5ea;
  border-radius: 24px;
  padding: 18px;
}

.blog-home-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.blog-home-header h2 {
  margin: 0;
  font-size: clamp(24px, 1.5vw, 34px);
}

.blog-home-header a {
  color: #2563eb;
  font-weight: 700;
  text-decoration: none;
}

.blog-home-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.blog-home-card {
  border: 1px solid #e8eaef;
  border-radius: 16px;
  padding: 12px;
  background: #fbfcfe;
}

.blog-home-card h3 {
  margin: 6px 0 0;
  font-size: 20px;
  line-height: 1.35;
}

.blog-home-card h3 a {
  color: #111827;
  text-decoration: none;
}

.blog-home-card p {
  margin: 8px 0 0;
  color: #4b5563;
}

.blog-date {
  margin: 0;
  color: #9ca3af;
  font-size: 13px;
  font-weight: 600;
}

.blog-read {
  margin-top: 10px;
  display: inline-flex;
  color: #2563eb;
  text-decoration: none;
  font-weight: 700;
}

.blog-top-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.blog-top-links a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 700;
}

.blog-hero h1 {
  margin: 0;
  font-size: clamp(32px, 4vw, 54px);
}

.blog-hero p {
  margin: 10px 0 0;
  color: #6b7280;
  font-size: clamp(16px, 1.2vw, 22px);
}

.blog-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.blog-card {
  background: #fff;
  border: 1px solid #e2e5ea;
  border-radius: 18px;
  padding: 14px;
}

.blog-card h2 {
  margin: 8px 0 0;
  font-size: 22px;
  line-height: 1.35;
}

.blog-card h2 a {
  color: #111827;
  text-decoration: none;
}

.blog-card p {
  margin: 8px 0 0;
  color: #4b5563;
  line-height: 1.5;
}

.blog-detail-card {
  background: #fff;
  border: 1px solid #e2e5ea;
  border-radius: 20px;
  padding: 18px;
}

.blog-detail-card h1 {
  margin: 8px 0 0;
  font-size: clamp(28px, 3.4vw, 44px);
}

.blog-detail-card p {
  margin: 12px 0 0;
  line-height: 1.7;
  color: #374151;
}

.ad-section {
  margin: 16px 0;
}

.ad-placeholder {
  border: 1px dashed #cbd5e1;
  border-radius: 14px;
  min-height: 96px;
  display: grid;
  place-items: center;
  color: #64748b;
  background: #f8fafc;
  font-weight: 600;
}

.legal-nav-card {
  margin-top: 18px;
  border: 1px solid #e2e5ea;
  background: #fff;
  border-radius: 20px;
  padding: 18px;
}

.legal-nav-card h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 2.2vw, 34px);
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.legal-links a {
  text-decoration: none;
  border: 1px solid #d5d9e2;
  border-radius: 999px;
  padding: 10px 16px;
  color: #111827;
  background: #f8fafc;
  font-weight: 600;
}

.site-footer {
  margin-top: 24px;
  border-top: 1px solid #d8dde6;
  background: #fff;
}

.site-footer-inner {
  padding-top: 16px;
  padding-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-links a {
  text-decoration: none;
  border: 1px solid #d5d9e2;
  border-radius: 999px;
  padding: 8px 14px;
  color: #111827;
  background: #f8fafc;
  font-weight: 600;
}

.site-footer p {
  margin: 14px 0 0;
  color: #4b5563;
  line-height: 1.55;
}

.legal-card {
  background: #fff;
  border: 1px solid #e2e5ea;
  border-radius: 20px;
  padding: 18px;
}

.legal-card h1 {
  margin: 0;
  font-size: clamp(32px, 3.6vw, 50px);
}

.legal-updated {
  margin: 12px 0 0;
  color: #6b7280;
  font-weight: 600;
}

.legal-intro {
  margin: 12px 0 0;
  color: #374151;
  line-height: 1.65;
}

.legal-section {
  margin-top: 18px;
}

.legal-section h2 {
  margin: 0;
  font-size: clamp(22px, 2vw, 30px);
}

.legal-section ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: #374151;
  line-height: 1.65;
}

.legal-section li + li {
  margin-top: 8px;
}

.contact-card {
  margin-top: 18px;
  border: 1px solid #e2e5ea;
  border-radius: 16px;
  padding: 16px;
  background: #f9fafb;
}

.contact-card h2 {
  margin: 0;
}

.contact-email {
  font-size: 22px;
  font-weight: 700;
  text-decoration: none;
  color: #2563eb;
}

.blog-ad-card {
  display: grid;
  align-items: center;
  min-height: 150px;
}

.cookie-banner {
  position: fixed;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 60;
  background: #111827;
  color: #fff;
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: 0 8px 30px rgba(17, 24, 39, 0.35);
}

.cookie-banner p {
  margin: 0;
  line-height: 1.5;
}

.cookie-actions {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.cookie-actions a {
  color: #bfdbfe;
  font-weight: 600;
  text-decoration: none;
}

.cookie-actions button {
  border: 0;
  border-radius: 10px;
  min-height: 38px;
  padding: 0 16px;
  font: inherit;
  font-weight: 700;
  background: #10b981;
  color: #fff;
  cursor: pointer;
}

.lang-suggest {
  width: min(1280px, 100%);
  margin: 16px auto 0;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid #fed7aa;
  background: #fff7ed;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.lang-suggest.hidden {
  display: none;
}

.lang-suggest-text {
  font-weight: 600;
  color: #7c2d12;
}

.lang-suggest-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-suggest-actions button {
  border: 0;
  border-radius: 999px;
  padding: 8px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  background: #111827;
  color: #fff;
}

.lang-suggest-actions button.ghost {
  background: #fff;
  color: #374151;
  border: 1px solid #d1d5db;
}

.platform-tabs.single {
  grid-template-columns: 1fr;
}

.pdf-body {
  background: #f4f6fb;
}

.pdf-container {
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: 34px 22px 48px;
}

.pdf-hero {
  text-align: center;
}

.pdf-hero h1 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 60px);
  font-weight: 800;
}

.pdf-hero p {
  margin: 14px 0 0;
  color: #6b7280;
  font-size: clamp(16px, 1.8vw, 24px);
}

.pdf-search {
  margin: 20px auto 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  max-width: 720px;
}

.pdf-search input {
  min-height: 62px;
}

.pdf-search-btn {
  border: 0;
  border-radius: 14px;
  min-height: 62px;
  padding: 0 20px;
  background: #111827;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.pdf-chips {
  margin: 18px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.pdf-chip {
  border: 1px solid #e2e8f0;
  background: #fff;
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 700;
  cursor: pointer;
}

.pdf-layout {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 18px;
}

.pdf-sidebar {
  background: #fff;
  border: 1px solid #e2e5ea;
  border-radius: 18px;
  padding: 14px;
  position: sticky;
  top: 20px;
  align-self: start;
}

.pdf-sidebar-title {
  margin: 0 0 10px;
  color: #6b7280;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1.2px;
}

.pdf-cat-btn {
  width: 100%;
  border: 1px solid transparent;
  background: #f8fafc;
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.pdf-cat-btn + .pdf-cat-btn {
  margin-top: 8px;
}

.pdf-cat-btn.active {
  border-color: #1d4ed8;
  background: #eff6ff;
  color: #1d4ed8;
}

.pdf-tools {
  display: grid;
  gap: 18px;
}

.pdf-category {
  background: #fff;
  border: 1px solid #e2e5ea;
  border-radius: 20px;
  padding: 16px;
}

.pdf-category-header h2 {
  margin: 0;
  font-size: clamp(22px, 1.6vw, 30px);
}

.pdf-category-header p {
  margin: 8px 0 0;
  color: #6b7280;
}

.pdf-tool-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.pdf-tool-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid #e8eaef;
  border-radius: 16px;
  padding: 14px;
  background: #fbfcfe;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pdf-tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.pdf-tool-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  width: fit-content;
}

.pdf-tool-card h3 {
  margin: 0;
  font-size: 18px;
}

.pdf-tool-card p {
  margin: 0;
  color: #6b7280;
  line-height: 1.4;
}

.pdf-empty {
  padding: 18px;
  text-align: center;
  color: #6b7280;
  font-weight: 600;
  border: 1px dashed #cbd5e1;
  border-radius: 16px;
  background: #f8fafc;
}

.pdf-back-btn {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 1200px) {
  .result-grid {
    grid-template-columns: 1fr;
  }

  .preview-media {
    aspect-ratio: 16 / 9;
  }

  .blog-home-grid,
  .blog-grid {
    grid-template-columns: 1fr 1fr;
  }

  .pdf-tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .topbar-inner,
  .container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .top-right {
    width: 100%;
    justify-content: flex-end;
    align-items: flex-start;
  }

  .brand {
    font-size: 19px;
  }

  .brand-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
  }

  .hero h1 {
    font-size: clamp(28px, 9.4vw, 58px);
  }

  .hero p {
    font-size: clamp(16px, 4.8vw, 24px);
  }

  .tab {
    min-height: 52px;
    font-size: clamp(16px, 4vw, 22px);
  }

  .card-tag {
    height: 46px;
    font-size: clamp(16px, 4.3vw, 28px);
  }

  .quick-form {
    grid-template-columns: 1fr;
  }

  input,
  .paste-btn,
  .quick-submit,
  .mode-btn,
  .mobile-save-btn {
    min-height: 56px;
    font-size: clamp(16px, 4.8vw, 22px);
  }

  .quick-submit {
    min-width: 0;
  }

  .mobile-save-btn.mobile-visible {
    display: block;
  }

  .guide-card {
    border-radius: 18px;
    padding: 14px;
  }

  .legal-card,
  .legal-nav-card,
  .faq-card,
  .seo-links-section {
    border-radius: 18px;
    padding: 14px;
  }

  .blog-home-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .lang-suggest {
    flex-direction: column;
    align-items: flex-start;
  }

  .pdf-layout {
    grid-template-columns: 1fr;
  }

  .pdf-sidebar {
    position: static;
  }

  .pdf-tool-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .top-right {
    width: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
  }

  .header-blog-link {
    min-height: 40px;
    padding: 0 14px;
    border-radius: 10px;
  }

  .lang-control {
    width: auto;
  }

  .cookie-banner {
    left: 10px;
    right: 10px;
    bottom: 10px;
    border-radius: 12px;
  }

  .cookie-actions {
    justify-content: space-between;
  }

  .pdf-search {
    grid-template-columns: 1fr;
  }
}

/* Visual refresh 2026-03-29 */
:root {
  --bg: #edf2fb;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --text: #0f172a;
  --muted: #5f6b7b;
  --line: #dbe4f0;
  --accent: #2b77e5;
  --accent-dark: #1f5fc2;
  --accent-soft: #dce9ff;
  --hero-accent: #0c9f6f;
  --shadow-lg: 0 18px 40px rgba(14, 36, 76, 0.08);
  --shadow-sm: 0 8px 22px rgba(14, 36, 76, 0.06);
}

body[data-site="main"] {
  --accent: #2b77e5;
  --accent-dark: #1f5fc2;
  --accent-soft: #dce9ff;
  --hero-accent: #0c9f6f;
}

body[data-site="facebook"] {
  --accent: #1f6feb;
  --accent-dark: #184fb2;
  --accent-soft: #dbeafe;
  --hero-accent: #1f6feb;
}

body[data-site="instagram"] {
  --accent: #d9488b;
  --accent-dark: #b83274;
  --accent-soft: #ffe1ef;
  --hero-accent: #d9488b;
}

body[data-site="pdf"],
body.pdf-body {
  --accent: #5b5ce8;
  --accent-dark: #4345c8;
  --accent-soft: #e4e6ff;
  --hero-accent: #5b5ce8;
}

body {
  background:
    radial-gradient(1200px 420px at 50% -240px, rgba(66, 133, 244, 0.18), transparent 70%),
    linear-gradient(180deg, #f3f7ff 0%, #edf2fb 45%, #ecf1f9 100%);
  color: var(--text);
}

.topbar {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--text);
}

.header-blog-link {
  border: 1px solid #c9d7eb;
  background: #f5f9ff;
  color: var(--accent-dark);
  transition: 0.2s ease;
}

.header-blog-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.lang-control {
  background: #f7faff;
  border: 1px solid #d7e3f4;
}

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

.hero p {
  color: #5d6677;
}

.platform-tabs {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid #d7e3f4;
  box-shadow: var(--shadow-sm);
}

.tab {
  color: #8a93a3;
  transition: 0.2s ease;
}

.tab.active {
  background: #0b1220;
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(11, 18, 32, 0.22);
}

.downloader-card {
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid var(--accent-soft);
  box-shadow: var(--shadow-lg);
}

input {
  background: #f4f7fd;
  border: 1px solid #e0e9f7;
}

input:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
}

.paste-btn {
  background: #0f1b36;
}

.quick-submit {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 10px 22px color-mix(in srgb, var(--accent) 30%, transparent);
}

.status {
  color: var(--muted);
}

.preview-card,
.action-card,
.guide-card,
.faq-card,
.seo-links-section,
.blog-home-section,
.legal-nav-card,
.legal-card,
.blog-card,
.blog-detail-card,
.pdf-category,
.pdf-sidebar {
  box-shadow: var(--shadow-sm);
  border-color: #dbe4f0;
}

.mode-btn.nowm {
  background: linear-gradient(135deg, #0c9f6f, #0b875f);
}

.mode-btn.hd {
  background: #0f172a;
}

.mode-btn.mp3 {
  background: #f9fbff;
  border: 2px solid #d7e4f5;
}

.seo-links a,
.legal-links a,
.footer-links a {
  border-color: #cdd9ea;
  background: #f6f9ff;
}

.seo-links a:hover,
.legal-links a:hover,
.footer-links a:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.ad-placeholder {
  border: 1px dashed #c8d7eb;
  background: #f6f9ff;
}

.pdf-hero h1 {
  color: var(--text);
}

.pdf-search-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.pdf-chip,
.pdf-cat-btn {
  border: 1px solid #d7e3f4;
  background: #f7faff;
}

.pdf-cat-btn.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, #ffffff);
  color: var(--accent-dark);
}

.pdf-tool-badge {
  background: #14213f;
}

.pdf-back-btn {
  background: #0f1b36;
}