/* DouyinHelper — aligned with WyPlayer glass / token system */

:root {
  --primary-color: #ffffff;
  --on-primary-color: #0a0a0f;
  --accent: #fe2c55;
  --accent-soft: rgba(254, 44, 85, 0.18);
  --accent2: #25f4ee;

  --bg-base: #0a0a0f;
  --bg-elevated: #14141a;
  --bg-hover: #1e1e26;

  --surface-color: rgba(255, 255, 255, 0.08);
  --surface-container-color: rgba(255, 255, 255, 0.05);
  --surface-container-high-color: rgba(255, 255, 255, 0.12);

  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.75);
  --text-tertiary: rgba(255, 255, 255, 0.45);

  --outline-color: rgba(255, 255, 255, 0.08);
  --outline-hover: rgba(255, 255, 255, 0.16);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.3);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --font-primary: "Noto Sans SC", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;

  --transition-fast: 150ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-base: 250ms cubic-bezier(0.25, 0.1, 0.25, 1);

  --glass-blur: 32px;
  --danger: #ff6b7a;
  --ok: #3dd68c;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-primary);
  color: var(--text-primary);
  background: var(--bg-base);
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
}

body {
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(254, 44, 85, 0.16), transparent 55%),
    radial-gradient(700px 420px at 92% 8%, rgba(37, 244, 238, 0.1), transparent 50%),
    radial-gradient(600px 400px at 50% 100%, rgba(255, 255, 255, 0.04), transparent 55%),
    var(--bg-base);
  background-attachment: fixed;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

a {
  color: var(--accent2);
}

code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.86em;
  padding: 0.1em 0.35em;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}

.app {
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) 80px;
}

.hidden {
  display: none !important;
}

/* ---------- Buttons (WyPlayer-like) ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 18px;
  font-weight: 600;
  font-size: var(--text-sm);
  line-height: 1.2;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary,
.btn--primary {
  background: var(--primary-color);
  color: var(--on-primary-color);
  box-shadow: 0 0 24px rgba(255, 255, 255, 0.22);
}

.btn-primary:hover,
.btn--primary:hover {
  transform: scale(1.03);
  box-shadow: 0 0 32px rgba(255, 255, 255, 0.32);
}

.btn-glass,
.btn--glass,
.btn:not(.btn-primary):not(.btn--primary):not(.btn-danger):not(.btn--danger):not(.btn-ghost) {
  background: var(--surface-container-high-color);
  color: var(--text-primary);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--outline-color);
}

.btn-glass:hover,
.btn--glass:hover,
.btn:not(.btn-primary):not(.btn--primary):not(.btn-danger):not(.btn--danger):not(.btn-ghost):hover {
  background: var(--bg-hover);
  border-color: var(--outline-hover);
}

.btn-ghost {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--surface-container-color);
  color: var(--text-primary);
}

.btn-danger,
.btn--danger {
  background: rgba(254, 44, 85, 0.2);
  color: #ffb3c0;
  border: 1px solid rgba(254, 44, 85, 0.35);
}

.btn-danger:hover,
.btn--danger:hover {
  background: rgba(254, 44, 85, 0.32);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ---------- Inputs ---------- */

.input,
.textarea,
.select {
  width: 100%;
  padding: 12px 16px;
  color: var(--text-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--outline-color);
  border-radius: var(--radius-lg);
  outline: none;
  transition: all var(--transition-fast);
  color-scheme: dark;
}

.input:hover,
.textarea:hover,
.select:hover {
  border-color: var(--outline-hover);
  background: var(--bg-hover);
}

.input:focus,
.textarea:focus,
.select:focus {
  border-color: rgba(255, 255, 255, 0.45);
  background: var(--bg-hover);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.select option,
.select optgroup {
  background-color: #14141a;
  color: #ffffff;
}

.textarea {
  min-height: 100px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: var(--text-xs);
  line-height: 1.5;
}

.field {
  text-align: left;
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.hint {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  line-height: 1.55;
}

.error {
  color: var(--danger);
  font-size: var(--text-sm);
  margin-top: 10px;
  min-height: 1.2em;
}

/* ---------- Gate ---------- */

.gate {
  max-width: 420px;
  margin: 14vh auto 0;
  padding: 36px 32px;
  text-align: center;
  background: var(--surface-color);
  border: 1px solid var(--outline-color);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-lg);
  animation: rise-in 0.45s var(--transition-base) both;
}

.gate .brand-mark {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 20px;
  background: linear-gradient(145deg, #fe2c55 0%, #ff6b8a 45%, #25f4ee 120%);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  box-shadow: 0 12px 40px rgba(254, 44, 85, 0.35);
}

.gate h1 {
  margin: 0 0 8px;
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.gate > p {
  margin: 0 0 24px;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* ---------- Topbar & tabs ---------- */

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  animation: rise-in 0.4s ease both;
}

.topbar h1 {
  margin: 0;
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-row .brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(145deg, #fe2c55, #25f4ee);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(254, 44, 85, 0.28);
}

.tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
  padding: 6px;
  background: var(--surface-container-color);
  border: 1px solid var(--outline-color);
  border-radius: var(--radius-full);
  backdrop-filter: blur(20px);
  width: fit-content;
  max-width: 100%;
}

.tab {
  border-radius: var(--radius-full);
  padding: 9px 16px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.tab:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
}

.tab.active {
  color: var(--on-primary-color);
  background: var(--primary-color);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.18);
}

/* ---------- Panels / cards ---------- */

.panel {
  padding: var(--space-lg);
  background: var(--surface-color);
  border: 1px solid var(--outline-color);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-md);
  animation: rise-in 0.35s ease both;
}

.panel-title {
  margin: 0 0 6px;
  font-size: var(--text-lg);
  font-weight: 700;
}

/* ---------- Profile ---------- */

.profile {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-elevated);
  border: 2px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

.profile h2 {
  margin: 0 0 6px;
  font-size: var(--text-xl);
  font-weight: 700;
}

.meta {
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  word-break: break-all;
  line-height: 1.45;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 10px;
  margin-top: var(--space-lg);
}

.stat {
  background: var(--surface-container-color);
  border: 1px solid var(--outline-color);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.stat:hover {
  border-color: var(--outline-hover);
  transform: translateY(-1px);
}

.stat b {
  display: block;
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.stat span {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
}

/* ---------- Toolbar ---------- */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
  padding: 12px;
  background: var(--surface-container-color);
  border: 1px solid var(--outline-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.toolbar .spacer {
  flex: 1;
  min-width: 8px;
}

.toolbar .btn {
  padding: 8px 14px;
  font-size: 0.8rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  border: 1px solid var(--outline-color);
  border-radius: var(--radius-full);
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.2);
}

.chip input[type="checkbox"] {
  accent-color: var(--accent);
}

.chip .input,
.chip .select {
  width: auto;
  min-width: 0;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--text-primary);
  background: var(--bg-elevated);
  color-scheme: dark;
}

.chip .select option {
  background-color: #14141a;
  color: #ffffff;
}

.note {
  margin: 0 0 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: rgba(37, 244, 238, 0.06);
  border: 1px solid rgba(37, 244, 238, 0.12);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  line-height: 1.55;
}

/* ---------- Lists ---------- */

.list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: min(62vh, 720px);
  overflow: auto;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.row {
  display: grid;
  grid-template-columns: 28px 52px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: var(--surface-container-color);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.row:hover {
  border-color: var(--outline-hover);
  background: var(--surface-container-high-color);
}

.row.selected {
  border-color: rgba(254, 44, 85, 0.45);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px rgba(254, 44, 85, 0.15);
}

.row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

.row img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  background: var(--bg-elevated);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.row .title {
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.35;
}

.row .sub {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: 3px;
}

.badge {
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--outline-color);
  color: var(--text-tertiary);
  background: rgba(0, 0, 0, 0.2);
}

.badge.mutual {
  color: var(--accent2);
  border-color: rgba(37, 244, 238, 0.35);
  background: rgba(37, 244, 238, 0.08);
}

.row-link {
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.row-link:hover {
  color: var(--accent2);
  border-bottom-color: rgba(37, 244, 238, 0.45);
}

a.badge-link {
  color: var(--accent2);
  border-color: rgba(37, 244, 238, 0.35);
  background: rgba(37, 244, 238, 0.08);
  text-decoration: none;
  white-space: nowrap;
}

a.badge-link:hover {
  background: rgba(37, 244, 238, 0.16);
  border-color: rgba(37, 244, 238, 0.5);
}

.video-row {
  grid-template-columns: 28px 72px 1fr auto;
}

.video-row img {
  width: 72px;
  height: 96px;
  border-radius: 12px;
}

.empty {
  text-align: center;
  color: var(--text-tertiary);
  padding: 48px 16px;
  font-size: var(--text-sm);
}

/* ---------- Account split ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.split > div {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--surface-container-color);
  border: 1px solid var(--outline-color);
}

.split h3 {
  margin: 0 0 8px;
  font-size: var(--text-base);
  font-weight: 700;
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(16px);
  background: rgba(20, 20, 28, 0.92);
  border: 1px solid var(--outline-color);
  backdrop-filter: blur(20px);
  padding: 12px 18px;
  border-radius: var(--radius-full);
  opacity: 0;
  pointer-events: none;
  transition: 0.25s ease;
  z-index: 50;
  max-width: min(90vw, 420px);
  text-align: center;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#followingSelCount,
#favSelCount,
#colSelCount {
  color: var(--accent2);
  border-color: rgba(37, 244, 238, 0.28);
  background: rgba(37, 244, 238, 0.08);
  font-weight: 600;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 800px) {
  .app {
    padding: var(--space-md) var(--space-sm) 72px;
  }

  .gate {
    margin-top: 8vh;
    padding: 28px 20px;
  }

  .panel {
    padding: var(--space-md);
  }

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

  .profile {
    grid-template-columns: 72px 1fr;
  }

  .avatar {
    width: 72px;
    height: 72px;
  }

  .tabs {
    width: 100%;
  }

  .tab {
    flex: 1;
    text-align: center;
    padding: 9px 10px;
    font-size: 0.8rem;
  }

  .topbar {
    flex-direction: column;
  }

  .toolbar {
    padding: 10px;
  }
}