/* 烧心杯 UI · 控件：标签页 / 分段 / 表单 / 徽章 / 直播标记 / 金环头像 / 倒计时 / Toast / 弹窗 / 骨架屏 / 空状态 */

/* ---------- 标签页 ---------- */
.sx-tabs { position: relative; display: flex; gap: 4px; border-bottom: 1px solid var(--sx-line); overflow-x: auto; scrollbar-width: none; }
.sx-tabs::-webkit-scrollbar { display: none; }
.sx-tabs__item { position: relative; flex: none; min-height: 44px; padding: 0 16px; border: 0; background: none; color: var(--sx-text-3); font: inherit; font-weight: 600; font-size: 15px; white-space: nowrap; cursor: pointer; border-radius: var(--sx-r-sm) var(--sx-r-sm) 0 0; transition: color var(--sx-t) var(--sx-ease), transform var(--sx-t-fast) var(--sx-ease), filter var(--sx-t-fast); }
.sx-tabs__item:hover { color: var(--sx-text-2); }
.sx-tabs__item:active { transform: scale(.96); filter: brightness(1.2); }
.sx-tabs__item.is-active { color: var(--sx-text); }
.sx-tabs__item:disabled, .sx-tabs__item[aria-disabled="true"] { opacity: .4; cursor: not-allowed; transform: none; }
.sx-tabs__item .sx-live { position: absolute; top: 9px; right: 5px; width: 6px; height: 6px; }
.sx-tabs__bar { position: absolute; left: 0; bottom: 0; height: 3px; width: 0; border-radius: 3px 3px 0 0; background: var(--sx-grad-gold); box-shadow: var(--sx-glow-gold); pointer-events: none; transition: transform var(--sx-t-slow) var(--sx-ease), width var(--sx-t-slow) var(--sx-ease); }

/* ---------- 分段控件 ---------- */
.sx-seg { position: relative; display: inline-flex; padding: 4px; border-radius: 999px; background: var(--sx-bg-2); border: 1px solid var(--sx-line); max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.sx-seg__item { position: relative; z-index: 1; flex: none; min-height: 40px; padding: 0 18px; border: 0; border-radius: 999px; background: none; color: var(--sx-text-2); font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; transition: color var(--sx-t) var(--sx-ease), transform var(--sx-t-fast) var(--sx-ease); }
.sx-seg__item:hover { color: var(--sx-text); }
.sx-seg__item:active { transform: scale(.96); }
.sx-seg__item.is-active { color: var(--sx-on-gold); }
.sx-seg__item:disabled { opacity: .4; cursor: not-allowed; }
.sx-seg__thumb { position: absolute; top: 4px; bottom: 4px; left: 0; width: 0; border-radius: 999px; background: var(--sx-grad-gold); box-shadow: 0 2px 10px color-mix(in srgb, var(--sx-bg) 50%, transparent); pointer-events: none; transition: transform var(--sx-t-slow) var(--sx-ease-back), width var(--sx-t-slow) var(--sx-ease); }
.is-init .sx-tabs__bar, .is-init .sx-seg__thumb { transition: none; }

/* ---------- 表单 ---------- */
.sx-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.sx-field__label { font-size: 13px; font-weight: 600; color: var(--sx-text-2); }
.sx-field__hint { font-size: 12px; color: var(--sx-text-3); }
.sx-field__error { font-size: 12px; color: var(--sx-red); }
.sx-input, .sx-select select { width: 100%; min-height: 44px; padding: 0 14px; border: 1px solid var(--sx-line); border-radius: var(--sx-r); background: var(--sx-bg-2); color: var(--sx-text); font: inherit; font-size: 15px; outline: none; transition: border-color var(--sx-t) var(--sx-ease), box-shadow var(--sx-t) var(--sx-ease), background var(--sx-t); }
textarea.sx-input { padding: 10px 14px; min-height: 96px; resize: vertical; }
.sx-input::placeholder { color: var(--sx-text-3); }
.sx-input:hover, .sx-select select:hover { border-color: var(--sx-line-strong); }
.sx-root .sx-input:focus, .sx-root .sx-select select:focus { border-color: var(--sx-gold-2); box-shadow: var(--sx-glow-gold); background: var(--sx-surface); }
.sx-input:disabled, .sx-select select:disabled { opacity: .45; cursor: not-allowed; }
.sx-field.is-error .sx-input, .sx-field.is-error .sx-select select { border-color: var(--sx-red); }
.sx-field.is-error .sx-field__label { color: var(--sx-red); }
.sx-select { position: relative; display: block; }
.sx-select select { appearance: none; -webkit-appearance: none; padding-right: 42px; cursor: pointer; }
.sx-select select option { background: var(--sx-surface); color: var(--sx-text); }
/* 下拉箭头用 SVG 做遮罩，颜色仍走令牌 */
.sx-select::after { content: ''; position: absolute; right: 14px; top: 50%; width: 14px; height: 14px; margin-top: -7px; background: var(--sx-gold-2); pointer-events: none; transition: transform var(--sx-t) var(--sx-ease);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M2.5 5l4.5 4.5L11.5 5' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M2.5 5l4.5 4.5L11.5 5' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat; }
.sx-select:focus-within::after { transform: rotate(180deg); }

.sx-switch { position: relative; display: inline-flex; align-items: center; gap: 10px; min-height: 40px; cursor: pointer; user-select: none; color: var(--sx-text-2); font-size: 14px; }
.sx-switch input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.sx-switch__track { position: relative; flex: none; width: 46px; height: 26px; border-radius: 999px; background: var(--sx-surface-3); border: 1px solid var(--sx-line-strong); transition: background var(--sx-t) var(--sx-ease), border-color var(--sx-t), box-shadow var(--sx-t); }
.sx-switch__track::after { content: ''; position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; border-radius: 999px; background: var(--sx-text-2); box-shadow: 0 2px 6px color-mix(in srgb, var(--sx-bg) 60%, transparent); transition: transform var(--sx-t-slow) var(--sx-ease-back), width var(--sx-t) var(--sx-ease), background var(--sx-t); }
.sx-switch:hover .sx-switch__track { border-color: var(--sx-gold-3); }
.sx-switch:active .sx-switch__track::after { width: 26px; }
.sx-switch input:checked + .sx-switch__track { background: var(--sx-grad-gold); border-color: var(--sx-gold-2); }
.sx-switch input:checked + .sx-switch__track::after { transform: translateX(20px); background: var(--sx-on-gold); }
.sx-switch:active input:checked + .sx-switch__track::after { transform: translateX(14px); }
.sx-switch input:checked ~ .sx-switch__label { color: var(--sx-text); }
.sx-switch input:focus-visible + .sx-switch__track { box-shadow: var(--sx-focus); }
.sx-switch input:disabled ~ * { opacity: .45; }
.sx-switch:has(input:disabled) { cursor: not-allowed; }

/* ---------- 徽章 / 直播标记 ---------- */
.sx-badge { display: inline-flex; align-items: center; gap: 5px; height: 22px; padding: 0 9px; border: 1px solid transparent; border-radius: 999px; font-size: 12px; font-weight: 700; line-height: 1; white-space: nowrap; vertical-align: middle; color: var(--sx-text-2); background: var(--sx-surface-3); }
.sx-badge--q { color: var(--sx-cyan); background: color-mix(in srgb, var(--sx-cyan) 12%, transparent); border-color: color-mix(in srgb, var(--sx-cyan) 45%, transparent); }
.sx-badge--live { color: var(--sx-text); background: var(--sx-red); }
.sx-badge--live::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: sx-dot-pulse 1.4s ease-out infinite; }
.sx-badge--pending { color: var(--sx-text-2); background: var(--sx-surface-2); border-color: var(--sx-line); }
.sx-badge--tie { color: var(--sx-gold-2); background: color-mix(in srgb, var(--sx-gold-4) 45%, transparent); border-color: var(--sx-gold-4); }
.sx-badge--out { color: var(--sx-text-3); background: transparent; border-color: var(--sx-text-3); }
.sx-badge--gold { color: var(--sx-on-gold); background: var(--sx-grad-gold); box-shadow: inset 0 1px 0 var(--sx-gold-1), inset 0 -1px 0 var(--sx-gold-4); }
.sx-live { position: relative; display: inline-block; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--sx-red); vertical-align: middle; }
.sx-live::after { content: ''; position: absolute; inset: 0; border-radius: 50%; background: inherit; animation: sx-ping 1.6s var(--sx-ease) infinite; }
@keyframes sx-ping { from { transform: scale(1); opacity: .75; } to { transform: scale(3); opacity: 0; } }
@keyframes sx-dot-pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 80%, transparent); } 100% { box-shadow: 0 0 0 6px transparent; } }

/* ---------- 金环头像 ---------- */
.sx-avatar { --av: 64px; position: relative; display: inline-block; flex: none; width: var(--av); height: var(--av); vertical-align: middle; }
.sx-avatar--sm { --av: 40px; }
.sx-avatar--md { --av: 64px; }
.sx-avatar--lg { --av: 96px; }
.sx-avatar--xl { --av: 128px; }
.sx-avatar__img, .sx-avatar__fallback { position: absolute; inset: 10%; border-radius: 50%; overflow: hidden; }
.sx-avatar__img { background: var(--sx-surface-3); }
.sx-avatar__img img { display: block; width: 100%; height: 100%; object-fit: cover; transition: filter var(--sx-t) var(--sx-ease); }
.sx-avatar__fallback { display: none; place-items: center; background: var(--sx-grad-gold); color: var(--sx-on-gold); font-weight: 800; font-size: calc(var(--av) * .34); line-height: 1; }
.sx-avatar.is-error .sx-avatar__img { display: none; }
.sx-avatar.is-error .sx-avatar__fallback { display: grid; }
.sx-avatar__ring { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; filter: drop-shadow(0 2px 3px color-mix(in srgb, var(--sx-bg) 70%, transparent)); }
.sx-avatar.is-offline .sx-avatar__img img { filter: saturate(.35) brightness(.85); }
.sx-avatar.is-live::before { content: ''; position: absolute; inset: -5%; border-radius: 50%; box-shadow: 0 0 0 2px var(--sx-cyan), 0 0 calc(var(--av) * .18) color-mix(in srgb, var(--sx-cyan) 70%, transparent); animation: sx-breathe 2.2s ease-in-out infinite; }
.sx-avatar__tag { position: absolute; right: -6%; bottom: 0; z-index: 2; display: none; align-items: center; gap: 3px; padding: 2px 6px; border-radius: 999px; border: 2px solid var(--sx-bg); background: var(--sx-red); color: var(--sx-text); font-size: 10px; font-weight: 700; line-height: 1.2; white-space: nowrap; }
.sx-avatar.is-live .sx-avatar__tag { display: inline-flex; }
.sx-avatar--lg .sx-avatar__tag, .sx-avatar--xl .sx-avatar__tag { font-size: 12px; padding: 2px 8px; }
/* 40px 太小放不下文字，退化成红点 */
.sx-avatar--sm .sx-avatar__tag { width: 12px; height: 12px; padding: 0; font-size: 0; right: 0; }
@keyframes sx-breathe { 0%, 100% { opacity: .45; transform: scale(.98); } 50% { opacity: 1; transform: scale(1.03); } }

/* ---------- 倒计时 ---------- */
.sx-countdown { --cd: 34px; display: inline-flex; align-items: flex-start; gap: 8px; font-size: var(--cd); }
.sx-countdown--sm { --cd: 22px; }
.sx-countdown__unit { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.sx-countdown__digits { display: flex; gap: 3px; }
.sx-countdown__sep { height: 1.3em; display: flex; align-items: center; color: var(--sx-gold-3); font-family: var(--sx-font-num); font-size: .7em; }
.sx-countdown__label { font-size: 12px; color: var(--sx-text-3); letter-spacing: .2em; padding-left: .2em; }
.sx-countdown--sm .sx-countdown__label { font-size: 11px; }
.sx-flip { position: relative; width: .78em; height: 1.3em; border: 1px solid var(--sx-line); border-radius: var(--sx-r-sm); background: linear-gradient(180deg, var(--sx-surface-3) 0 50%, var(--sx-surface-2) 50% 100%); overflow: hidden; perspective: 160px; font-family: var(--sx-font-num); color: var(--sx-gold-1); }
.sx-flip::after { content: ''; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--sx-bg); opacity: .7; z-index: 2; }
.sx-flip__n { position: absolute; inset: 0; display: grid; place-items: center; line-height: 1; backface-visibility: hidden; }
.sx-flip__n.is-in { animation: sx-flip-in var(--sx-t-slow) var(--sx-ease) both; }
.sx-flip__n.is-out { animation: sx-flip-out var(--sx-t-slow) var(--sx-ease) both; }
.sx-countdown.is-ended .sx-flip { color: var(--sx-text-3); }
@keyframes sx-flip-in { from { transform: translateY(-60%) rotateX(80deg); opacity: 0; } }
@keyframes sx-flip-out { to { transform: translateY(60%) rotateX(-80deg); opacity: 0; } }
@media (max-width: 400px) { .sx-countdown { --cd: 28px; gap: 6px; } }

/* ---------- Toast ---------- */
.sx-toast-stack { position: fixed; top: 16px; left: 50%; z-index: 1100; display: flex; flex-direction: column; align-items: center; gap: 8px; width: max-content; max-width: calc(100vw - 32px); transform: translateX(-50%); pointer-events: none; }
.sx-toast { box-sizing: border-box; display: flex; align-items: center; gap: 10px; max-width: 100%; min-height: 44px; padding: 10px 16px; border: 1px solid var(--sx-line-strong); border-radius: var(--sx-r); background: var(--sx-surface-2); box-shadow: var(--sx-shadow); color: var(--sx-text); font-family: var(--sx-font); font-size: 14px; line-height: 1.4; pointer-events: auto; cursor: pointer; animation: sx-toast-in var(--sx-t-slow) var(--sx-ease-back) both; transition: opacity var(--sx-t) var(--sx-ease), transform var(--sx-t) var(--sx-ease), margin var(--sx-t) var(--sx-ease); }
.sx-toast svg { flex: none; }
.sx-toast--ok { border-color: color-mix(in srgb, var(--sx-cyan) 50%, transparent); }
.sx-toast--ok svg { color: var(--sx-cyan); }
.sx-toast--error { border-color: color-mix(in srgb, var(--sx-red) 60%, transparent); }
.sx-toast--error svg { color: var(--sx-red); }
.sx-toast--info svg { color: var(--sx-gold-2); }
.sx-toast.is-leaving { opacity: 0; transform: translateY(-10px) scale(.96); }
@keyframes sx-toast-in { from { opacity: 0; transform: translateY(-24px) scale(.96); } }

/* ---------- 确认弹窗 ---------- */
.sx-modal { --cut: var(--sx-cut); position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 20px; background: color-mix(in srgb, var(--sx-bg) 72%, transparent); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); opacity: 0; transition: opacity var(--sx-t) var(--sx-ease); font-family: var(--sx-font); }
.sx-modal.is-open { opacity: 1; }
/* 外层金色渐变 + 内层面板，两层 clip-path 叠出带切角的 1px 金边 */
.sx-modal__panel { width: min(420px, 100%); padding: 1px; background: linear-gradient(160deg, var(--sx-gold-1), var(--sx-gold-3) 40%, var(--sx-gold-4) 70%, var(--sx-gold-2)); clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut)); filter: drop-shadow(var(--sx-shadow)); transform: scale(.9) translateY(8px); transition: transform var(--sx-t-slow) var(--sx-ease-back); }
.sx-modal.is-open .sx-modal__panel { transform: none; }
.sx-modal__body { position: relative; padding: 26px 24px 20px; background: linear-gradient(180deg, var(--sx-surface-2), var(--sx-surface)); clip-path: polygon(calc(var(--cut) - .5px) 0, 100% 0, 100% calc(100% - var(--cut) + .5px), calc(100% - var(--cut) + .5px) 100%, 0 100%, 0 calc(var(--cut) - .5px)); }
.sx-modal__body::before { content: ''; position: absolute; top: 6px; left: 6px; width: 28px; height: 28px; background: repeating-linear-gradient(135deg, var(--sx-gold-2) 0 1px, transparent 1px 5px); opacity: .15; clip-path: polygon(0 0, 100% 0, 0 100%); }
.sx-modal__title { margin: 0 0 8px; display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 800; background: var(--sx-grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sx-modal__title svg { color: var(--sx-red); flex: none; }
.sx-modal__msg { margin: 0; color: var(--sx-text-2); font-size: 14px; line-height: 1.7; white-space: pre-line; }
.sx-modal__actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.sx-modal__actions .sx-btn { min-width: 96px; min-height: 40px; }
.sx-modal--danger .sx-modal__panel { background: linear-gradient(160deg, var(--sx-red), var(--sx-gold-4) 55%, var(--sx-gold-3)); }
.sx-modal--danger .sx-modal__ok { background: var(--sx-red); color: var(--sx-text); border-color: var(--sx-red); }

/* ---------- 骨架屏 / 空状态 ---------- */
.sx-skeleton { position: relative; display: block; overflow: hidden; height: 14px; border-radius: var(--sx-r-sm); background: var(--sx-surface-2); }
.sx-skeleton::after { content: ''; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--sx-gold-2) 12%, transparent), transparent); animation: sx-shimmer 1.5s ease-in-out infinite; }
.sx-skeleton--title { height: 22px; width: 50%; }
.sx-skeleton--text { height: 12px; }
.sx-skeleton--circle { border-radius: 50%; width: 64px; height: 64px; }
.sx-skeleton--block { height: 120px; border-radius: var(--sx-r); }
@keyframes sx-shimmer { to { transform: translateX(100%); } }
.sx-empty { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 36px 16px; text-align: center; }
.sx-empty__art { width: 120px; height: 96px; color: var(--sx-gold-3); margin-bottom: 8px; }
.sx-empty__title { margin: 0; font-size: 15px; font-weight: 700; color: var(--sx-text-2); }
.sx-empty__desc { margin: 0; font-size: 13px; color: var(--sx-text-3); max-width: 28em; }
.sx-empty__action { margin-top: 10px; }

/* 循环动画在减少动效时直接关掉，否则 1ms 循环会变成闪烁 */
@media (prefers-reduced-motion: reduce) {
  .sx-live::after, .sx-badge--live::before, .sx-avatar.is-live::before, .sx-skeleton::after { animation: none !important; }
  .sx-avatar.is-live::before { opacity: .8; }
}