:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --line: #e5e7eb;
  --line-strong: #d9dde5;
  --text: #111827;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --vip: #ea580c;
}

* {
  box-sizing: border-box;
}

body.signal-page {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

.age-gate {
  background: rgba(17, 24, 39, 0.72);
}

.site-header,
.cat-bar {
  position: static;
  background: transparent;
  border: 0;
}

.signal-app {
  width: min(1400px, calc(100% - 32px));
  margin: 20px auto 0;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.signal-detail-layout {
  align-items: start;
}

.signal-panel,
.auth-modal-box,
.modal,
.chat-window,
.ad-float,
.ad-icons {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(17, 24, 39, 0.05);
}

.signal-panel,
.auth-modal-box,
.modal,
.ad-float,
.chat-window {
  border-radius: 20px;
}

.signal-rail {
  position: sticky;
  top: 20px;
  padding: 18px;
  display: grid;
  gap: 18px;
}

.signal-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.signal-logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}

.signal-logo strong,
.signal-top-copy h1,
.signal-feed-head h3,
.signal-detail-title {
  margin: 0;
}

.signal-logo small,
.signal-user-line,
.signal-link,
.signal-top-copy p,
.signal-menu-title,
.signal-detail-hot,
.v-meta,
.site-footer,
.signal-vip-box span {
  color: var(--muted);
}

.signal-user,
.signal-menu-group,
.signal-icons-block,
.signal-texts-block {
  display: grid;
  gap: 10px;
}

.signal-head {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.signal-head-left,
.signal-head-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.signal-head-link {
  text-decoration: none;
  color: var(--muted);
}

.signal-auth-links {
  display: flex;
  gap: 10px;
}

.signal-link {
  text-decoration: none;
}

.signal-vip,
.signal-mini-btn.is-on,
.detail-cta,
.btn-primary,
#chatSend,
.enter {
  background: var(--accent);
  color: #fff;
  border: 0;
}

.signal-vip,
.signal-mini-btn,
.detail-cta,
.btn-primary,
.btn-line,
.btn-text,
.signal-side-cat {
  border-radius: 12px;
}

.signal-vip,
.detail-cta,
.btn-primary,
.btn-line,
.signal-mini-btn,
.signal-side-cat {
  padding: 11px 14px;
}

.signal-menu-title {
  font-size: 12px;
  font-weight: 600;
}

.signal-side-cats {
  display: grid;
  gap: 8px;
}

.signal-side-cat {
  display: block;
  text-decoration: none;
  background: #f8fafc;
  border: 1px solid var(--line);
}

.signal-side-cat.on {
  background: var(--accent-soft);
  border-color: #bfdbfe;
  color: var(--accent);
  font-weight: 700;
}

.ad-icons.signal-icons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
}

.ad-icons.signal-icons a {
  width: auto;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  text-align: left;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.ad-icons.signal-icons img {
  width: 48px;
  height: 48px;
  margin: 0;
  border-radius: 12px;
  object-fit: cover;
  background: #f3f4f6;
}

.ad-icons.signal-icons span {
  white-space: normal;
  line-height: 1.35;
}

.signal-text-stack {
  display: grid;
  gap: 8px;
}

.signal-ad-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 18px;
}

.signal-ad-box {
  padding: 16px;
  display: grid;
  gap: 12px;
}

.signal-text-stack a {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fafafa;
  text-decoration: none;
}

.signal-main {
  display: grid;
  gap: 18px;
}

.signal-topbar {
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.signal-top-copy h1 {
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.08;
}

.signal-top-copy p {
  margin: 6px 0 0;
}

.signal-top-actions {
  display: flex;
  gap: 10px;
}

.signal-mini-btn,
.btn-line,
.btn-text {
  border: 1px solid var(--line-strong);
  background: #fff;
  text-decoration: none;
  color: var(--text);
}

.signal-banner {
  padding: 10px;
}

.signal-banner a {
  display: block;
}

.signal-banner img {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: 14px;
}

.signal-summary {
  padding: 16px 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.signal-summary-item {
  padding: 14px;
  border-radius: 14px;
  background: #fafafa;
  border: 1px solid var(--line);
}

.signal-summary-item span {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.signal-summary-item strong {
  display: block;
  margin-top: 8px;
  font-size: 22px;
}

.signal-feed-head {
  padding: 4px 2px;
}

.signal-account-wrap {
  display: grid;
  gap: 16px;
  max-width: 760px;
}

.signal-account-title h1 {
  margin: 0;
  font-size: clamp(28px, 3vw, 40px);
}

.signal-account-card {
  padding: 18px;
}

.signal-account-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.signal-account-row:last-child {
  border-bottom: 0;
}

.signal-input {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
}

.signal-wide-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
}

.signal-pay-form {
  display: grid;
  gap: 16px;
}

.signal-pay-state {
  text-align: center;
}

.signal-plan-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.signal-plan-item,
.signal-method-item {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fafafa;
  cursor: pointer;
}

.signal-plan-item input,
.signal-method-item input {
  position: absolute;
  opacity: 0;
}

.signal-plan-item:has(input:checked),
.signal-method-item:has(input:checked) {
  border-color: #93c5fd;
  background: var(--accent-soft);
}

.signal-plan-name {
  font-weight: 600;
}

.signal-plan-price,
.signal-pay-amount b {
  color: var(--accent);
  font-weight: 700;
}

.signal-method-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.signal-pay-amount {
  margin: 14px 0;
}

.signal-qr-box {
  text-align: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fafafa;
}

.signal-qr-box img {
  width: min(220px, 100%);
  margin: 0 auto;
  border-radius: 12px;
  background: #fff;
}

.signal-qr-acc {
  margin: 10px 0 6px;
  word-break: break-all;
}

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

.v-card {
  display: block;
  overflow: hidden;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.v-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(17, 24, 39, 0.08);
}

.v-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #e5e7eb center/cover no-repeat;
}

.v-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.03), rgba(0, 0, 0, 0.38));
}

.badge.hd {
  background: #fff;
  color: #111827;
}

.badge.vip {
  background: var(--vip);
  color: #fff;
}

.v-info {
  padding: 14px;
}

.v-title {
  min-height: 0;
  font-size: 15px;
  line-height: 1.45;
}

.signal-player-shell {
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) 320px;
  gap: 18px;
}

.signal-player-box,
.player-box {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.hls-player {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  background: #000;
}

.signal-player-info {
  display: grid;
  align-content: start;
  gap: 14px;
}

.signal-detail-title {
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.12;
}

.signal-vip-box {
  padding: 14px;
  border-radius: 14px;
  background: #fafafa;
  border: 1px solid var(--line);
}

.signal-vip-box strong {
  display: block;
  margin-bottom: 6px;
}

.signal-vip-box.is-vip {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.signal-detail-cta {
  font-weight: 700;
}

.site-footer.signal-footer {
  margin-top: 4px;
  padding: 0 0 32px;
  border-top: 0;
}

.chat-fab {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.22);
}

.chat-window {
  border-radius: 16px;
}

.chat-header {
  background: var(--accent);
}

.chat-body {
  background: #fff;
}

.chat-input {
  background: #fff;
}

.auth-modal {
  background: rgba(17, 24, 39, 0.55);
}

.modal-mask {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(17, 24, 39, 0.6);
  z-index: 1200;
}

.modal-mask.show {
  display: flex;
}

.auth-modal-box,
.modal {
  width: min(360px, calc(100vw - 24px));
  padding: 22px;
  text-align: center;
}

.btn-text {
  margin-top: 10px;
}

.ad-float {
  left: 12px;
  right: 12px;
  bottom: 10px;
  overflow: hidden;
}

.ad-float .ad-float-item img {
  max-height: 100px;
  object-fit: cover;
}

.mobile-menu-btn,
.mobile-menu-mask {
  display: none;
}

.mobile-menu-btn {
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  font-size: 20px;
}

.signal-age {
  width: min(380px, calc(100vw - 24px));
  padding: 24px;
  text-align: center;
}

@media (max-width: 1160px) {
  .signal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal-player-shell {
    grid-template-columns: 1fr;
  }

  .signal-ad-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .signal-app {
    width: min(100% - 16px, 100%);
    grid-template-columns: 1fr;
    margin-top: 72px;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .mobile-menu-mask.show {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1200;
    background: rgba(17, 24, 39, 0.45);
  }

  .signal-rail {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: min(82vw, 320px);
    z-index: 1250;
    border-radius: 0 18px 18px 0;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    overflow-y: auto;
  }

  .signal-rail.open {
    transform: translateX(0);
  }

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

  .signal-head {
    position: sticky;
    top: 8px;
    z-index: 1100;
  }

  .signal-summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .signal-topbar,
  .signal-banner,
  .signal-summary,
  .signal-player-shell,
  .signal-rail,
  .auth-modal-box,
  .modal {
    border-radius: 16px;
  }

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

  .signal-plan-grid {
    grid-template-columns: 1fr;
  }

  .signal-top-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .signal-head {
    padding: 12px 14px;
  }

  .signal-head-right {
    gap: 8px;
  }

  .signal-head-right .signal-head-link:last-child {
    display: none;
  }

  .signal-account-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .signal-mini-btn,
  .detail-cta,
  .btn-primary,
  .btn-line,
  .signal-vip {
    width: 100%;
  }
}