/* ==========================================================================
   TubeCheck multi-tool UI
   ========================================================================== */

/* --------------------------------------------------------------- nav menu */
.tools-menu {
  position: relative;
}

.tools-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 520;
  transition: color 0.18s ease, background 0.18s ease;
}

.tools-toggle:hover,
.tools-toggle[aria-expanded="true"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
}

.tools-toggle svg {
  transition: transform 0.18s ease;
}

.tools-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.tools-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  z-index: 60;
  display: grid;
  gap: 2px;
  width: 304px;
  padding: 8px;
  border: 1px solid var(--border-strong);
  border-radius: 15px;
  background: #111118;
  box-shadow: var(--shadow);
  transform: translateX(-50%);
  animation: dropIn 0.16s ease both;
}

@keyframes dropIn {
  from {
    opacity: 0;
    transform: translate(-50%, -6px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.tools-dropdown a {
  display: block;
  padding: 9px 11px;
  border-radius: 9px;
  transition: background 0.15s ease;
}

.tools-dropdown a:hover {
  background: rgba(255, 255, 255, 0.055);
}

.tools-dropdown a strong {
  display: block;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.tools-dropdown a small {
  display: block;
  margin-top: 1px;
  color: var(--muted-2);
  font-size: 11.5px;
}

.tools-dropdown a.is-active {
  background: rgba(255, 46, 99, 0.08);
}

.tools-dropdown a.is-active strong {
  color: var(--accent);
}

.nav-links a.is-active {
  color: var(--text);
}

/* ----------------------------------------------------------- tool panels */
.tool-panel {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(180deg, #14141c 0%, #0e0e14 100%);
  box-shadow: var(--shadow);
  animation: rise 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.tool-panel-body {
  padding: 24px;
}

.tool-head {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 22px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(120deg, rgba(255, 46, 99, 0.08), transparent 55%);
}

.tool-head img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  object-fit: cover;
}

.tool-head .tool-head-text {
  min-width: 0;
  flex: 1;
}

.tool-title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.tool-sub {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12.5px;
  word-break: break-word;
}

.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
  gap: 11px;
}

.tool-stat {
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.02);
}

.tool-stat span {
  display: block;
  color: var(--muted-2);
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-stat strong {
  display: block;
  margin-top: 5px;
  font-size: 16px;
  font-weight: 680;
  word-break: break-word;
}

.tool-stat strong.mono {
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, monospace;
  font-size: 13px;
}

.tool-section-label {
  margin: 24px 0 10px;
  color: var(--muted-2);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tool-desc {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.tool-desc.is-clamped {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.tool-empty {
  margin: 0;
  padding: 18px;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  color: var(--muted-2);
  font-size: 13px;
  text-align: center;
}

/* -------------------------------------------------------------- channel id */
.id-value-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.id-value {
  flex: 1 1 auto;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid rgba(255, 46, 99, 0.24);
  border-radius: 12px;
  background: rgba(255, 46, 99, 0.06);
  color: var(--text);
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, monospace;
  font-size: clamp(15px, 2.6vw, 21px);
  letter-spacing: 0.04em;
  word-break: break-all;
}

/* -------------------------------------------------------------- buttons */
.btn-solid {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: linear-gradient(135deg, #ff2e63, #ff5a3c);
  color: #fff;
  font-size: 13px;
  font-weight: 680;
  box-shadow: 0 8px 24px rgba(255, 46, 99, 0.24);
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-solid:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(255, 46, 99, 0.34);
}

.btn-small {
  height: 34px;
  padding: 0 12px;
  font-size: 12px;
}

.btn-ghost.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* -------------------------------------------------------------- calculator */
.calc-section {
  display: grid;
  gap: 16px;
  padding-top: 10px;
}

.calc-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #14141c 0%, #0e0e14 100%);
  box-shadow: var(--shadow);
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-field--wide {
  grid-column: 1 / -1;
}

.calc-field label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
}

.calc-field output {
  color: var(--text);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.calc-field input[type="range"] {
  width: 100%;
  height: 6px;
  accent-color: var(--accent);
  cursor: pointer;
}

.calc-field input[type="number"],
.calc-field select {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.calc-field input[type="number"]:focus,
.calc-field select:focus {
  border-color: rgba(255, 46, 99, 0.55);
  box-shadow: 0 0 0 3px rgba(255, 46, 99, 0.09);
}

.calc-results {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.calc-result {
  padding: 12px 13px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.02);
}

.calc-result span {
  display: block;
  color: var(--muted-2);
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.calc-result strong {
  display: block;
  margin-top: 5px;
  font-size: 17px;
  font-weight: 720;
  font-variant-numeric: tabular-nums;
}

.calc-result--big {
  background: rgba(52, 211, 153, 0.07);
  border-color: rgba(52, 211, 153, 0.24);
}

.calc-result--big strong {
  color: var(--green);
  font-size: 21px;
}

.calc-card .disclaimer {
  margin: 16px 0 0;
  color: var(--muted-2);
  font-size: 11.5px;
  line-height: 1.6;
}

.calc-card--channel .calc-help {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.search--compact {
  width: min(560px, 100%);
  margin-top: 16px;
}

.search--compact input {
  height: 46px;
}

.search--compact button {
  height: 46px;
}

.calc-channel-note {
  margin-top: 16px;
}

/* -------------------------------------------------------------- thumbnails */
.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}

.thumb-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--surface);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.thumb-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.thumb-card.is-missing {
  display: none;
}

.thumb-frame {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  background:
    repeating-linear-gradient(45deg, #0b0b10 0 10px, #0e0e14 10px 20px);
  overflow: hidden;
}

.thumb-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-body {
  padding: 10px 12px 11px;
}

.thumb-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 650;
}

.thumb-size {
  color: var(--muted-2);
  font-size: 10.5px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.thumb-actions {
  display: flex;
  gap: 8px;
  margin-top: 9px;
}

.thumb-actions a {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 31px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
  transition: background 0.15s ease, color 0.15s ease;
}

.thumb-actions a:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.thumb-actions a.is-accent {
  border-color: rgba(255, 46, 99, 0.3);
  background: rgba(255, 46, 99, 0.09);
  color: #ff8098;
}

.thumb-actions a.is-accent:hover {
  background: rgba(255, 46, 99, 0.16);
  color: #ffa0b2;
}

/* ------------------------------------------------------------------ images */
.image-block + .image-block {
  margin-top: 26px;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 13px;
}

.image-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.image-frame {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  background:
    repeating-linear-gradient(45deg, #0b0b10 0 10px, #0e0e14 10px 20px);
  overflow: hidden;
}

.image-frame--banner {
  aspect-ratio: 16 / 5.4;
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 11px;
}

.image-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.image-download {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 27px;
  padding: 0 9px;
  border: 1px solid rgba(255, 46, 99, 0.3);
  border-radius: 7px;
  background: rgba(255, 46, 99, 0.09);
  color: #ff8098;
  font-size: 11px;
  font-weight: 650;
}

.image-download:hover {
  background: rgba(255, 46, 99, 0.16);
  color: #ffa0b2;
}

/* -------------------------------------------------------------- data viewer */
.data-head-thumb {
  width: 148px;
  border-radius: 10px;
  overflow: hidden;
  flex: none;
  border: 1px solid var(--border);
  background: #000;
}

.data-head-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 11px;
}

.data-item {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.02);
}

.data-item--wide {
  grid-column: 1 / -1;
}

.data-label {
  display: block;
  color: var(--muted-2);
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.data-value {
  display: block;
  margin-top: 5px;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
  word-break: break-word;
}

.data-value a {
  color: #ff8098;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.data-value.mono {
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, monospace;
  font-size: 12.5px;
}

.bool-yes {
  color: var(--green);
}

.bool-no {
  color: var(--red);
}

.thumb-strip {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}

.thumb-strip a {
  display: block;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #000;
}

.thumb-strip img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ------------------------------------------------------------------- tags */
.tag-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.tag-count {
  color: var(--muted);
  font-size: 12.5px;
}

.tag-actions {
  display: flex;
  gap: 8px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  font-size: 12.5px;
  font-weight: 550;
}

.tag-item .tag-index {
  display: inline-grid;
  place-items: center;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border-radius: 999px;
  background: rgba(255, 46, 99, 0.14);
  color: #ff8098;
  font-size: 9.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------- shadowban */
.notice-panel {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px;
  border-color: rgba(251, 191, 36, 0.28) !important;
  background: rgba(251, 191, 36, 0.055) !important;
}

.notice-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(251, 191, 36, 0.12);
  color: var(--amber);
}

.notice-panel h3 {
  margin: 0 0 5px;
  font-size: 17px;
  font-weight: 720;
  letter-spacing: -0.02em;
}

.notice-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.guide-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.guide-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.guide-card p,
.guide-card li {
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.7;
}

.guide-card p {
  margin: 0;
}

.guide-card ul {
  margin: 0;
  padding-left: 18px;
}

.guide-card li + li {
  margin-top: 4px;
}

/* --------------------------------------------------------------- footer */
.footer-row--tools {
  align-items: flex-start;
}

.footer-fine {
  margin-top: 5px !important;
}

.footer-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px 22px;
  max-width: 460px;
}

.footer-tools a {
  font-size: 11.5px;
  text-decoration: none !important;
  transition: color 0.15s ease;
}

.footer-tools a:hover {
  color: var(--text);
}

/* -------------------------------------------------------------- responsive */
@media (max-width: 920px) {
  .nav-links {
    display: flex !important;
    gap: 4px;
  }

  .nav-links > a {
    display: none;
  }

  .tools-dropdown {
    position: fixed;
    top: 68px;
    left: 16px;
    right: 16px;
    width: auto;
    max-height: calc(100vh - 88px);
    overflow-y: auto;
    transform: none;
    animation: dropInMobile 0.16s ease both;
  }

  @keyframes dropInMobile {
    from {
      opacity: 0;
      transform: translateY(-6px);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }

  .calc-results {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .guide-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-cta {
    display: none;
  }

  .tools-dropdown {
    top: 60px;
    left: 12px;
    right: 12px;
  }

  .calc-grid {
    grid-template-columns: 1fr;
  }

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

  .calc-card {
    padding: 18px;
  }

  .tool-panel-body {
    padding: 18px;
  }

  .tool-head {
    padding: 18px;
  }

  .tool-head img {
    width: 44px;
    height: 44px;
  }

  .data-head-thumb {
    width: 100%;
  }

  .thumb-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .footer-tools {
    grid-template-columns: 1fr;
  }

  .id-value-row .btn-solid {
    width: 100%;
  }
}