/*
 * CloudBoard Visuals - 通用视觉特效
 * 只使用 cb- 前缀与 data-cb-* 钩子，避免污染主站组件样式。
 */

:root,
:root[data-cb-theme="dark"] {
  color-scheme: dark;
  --cb-bg: #050914;
  --cb-bg-elevated: #0a1224;
  --cb-surface: rgba(11, 23, 43, 0.7);
  --cb-surface-strong: rgba(13, 27, 51, 0.9);
  --cb-surface-soft: rgba(24, 42, 68, 0.5);
  --cb-border: rgba(128, 214, 255, 0.16);
  --cb-border-strong: rgba(83, 226, 255, 0.36);
  --cb-text: #edf9ff;
  --cb-text-muted: #83a5bb;
  --cb-primary: #32d9ff;
  --cb-primary-rgb: 50, 217, 255;
  --cb-secondary: #7b61ff;
  --cb-secondary-rgb: 123, 97, 255;
  --cb-accent: #19f7b2;
  --cb-accent-rgb: 25, 247, 178;
  --cb-success: #24e8a3;
  --cb-warning: #ffc857;
  --cb-danger: #ff5c7a;
  --cb-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --cb-glow: 0 0 30px rgba(var(--cb-primary-rgb), 0.16);
  --cb-radius-sm: 10px;
  --cb-radius: 18px;
  --cb-radius-lg: 26px;
  --cb-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-cb-theme="light"] {
  color-scheme: light;
  --cb-bg: #eef6fb;
  --cb-bg-elevated: #f8fcff;
  --cb-surface: rgba(255, 255, 255, 0.7);
  --cb-surface-strong: rgba(255, 255, 255, 0.92);
  --cb-surface-soft: rgba(222, 239, 248, 0.62);
  --cb-border: rgba(21, 103, 140, 0.15);
  --cb-border-strong: rgba(0, 154, 199, 0.28);
  --cb-text: #102b3b;
  --cb-text-muted: #56788b;
  --cb-primary: #009bc5;
  --cb-primary-rgb: 0, 155, 197;
  --cb-secondary: #6549df;
  --cb-secondary-rgb: 101, 73, 223;
  --cb-accent: #00a978;
  --cb-accent-rgb: 0, 169, 120;
  --cb-success: #00a978;
  --cb-warning: #d98b00;
  --cb-danger: #df365b;
  --cb-shadow: 0 24px 60px rgba(34, 82, 105, 0.15);
  --cb-glow: 0 0 28px rgba(var(--cb-primary-rgb), 0.13);
}

/* 主题切换时暂时开启过渡，由 JS 在结束后移除，避免常驻 transition 的性能损耗。 */
.cb-theme-transition,
.cb-theme-transition *,
.cb-theme-transition *::before,
.cb-theme-transition *::after {
  transition-property: color, background-color, border-color, box-shadow, fill, stroke !important;
  transition-duration: 360ms !important;
  transition-timing-function: ease !important;
}

[data-cb-visual-root] {
  min-height: 100%;
  color: var(--cb-text);
  background: var(--cb-bg);
}

/* ---------- 星空粒子与流动背景 ---------- */

[data-cb-particles] {
  position: relative;
  isolation: isolate;
}

.cb-particle-canvas {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 700ms ease;
}

.cb-particle-canvas[data-ready="true"] {
  opacity: 1;
}

[data-cb-particles="fixed"] > .cb-particle-canvas {
  position: fixed;
}

[data-cb-flow] {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

[data-cb-flow]::before,
[data-cb-flow]::after {
  position: absolute;
  z-index: 0;
  width: min(72vw, 980px);
  aspect-ratio: 1;
  content: "";
  border-radius: 50%;
  pointer-events: none;
  filter: blur(78px);
  opacity: 0.13;
  will-change: transform;
}

[data-cb-flow]::before {
  top: -42%;
  left: -19%;
  background: radial-gradient(circle, rgba(var(--cb-primary-rgb), 0.86), transparent 67%);
  animation: cb-flow-a 20s ease-in-out infinite alternate;
}

[data-cb-flow]::after {
  right: -24%;
  bottom: -48%;
  background: radial-gradient(circle, rgba(var(--cb-secondary-rgb), 0.8), transparent 66%);
  animation: cb-flow-b 24s ease-in-out infinite alternate;
}

[data-cb-flow] > * {
  position: relative;
  z-index: 1;
}

@keyframes cb-flow-a {
  from { transform: translate3d(-4%, -5%, 0) scale(0.94); }
  to { transform: translate3d(36%, 24%, 0) scale(1.17); }
}

@keyframes cb-flow-b {
  from { transform: translate3d(8%, 8%, 0) scale(1.08); }
  to { transform: translate3d(-32%, -25%, 0) scale(0.9); }
}

/* 轻量网格：适合作为大屏背景装饰，不拦截任何交互。 */
.cb-tech-grid {
  position: absolute !important;
  inset: 0;
  z-index: 0 !important;
  overflow: hidden;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(var(--cb-primary-rgb), 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--cb-primary-rgb), 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black 8%, transparent 88%);
}

/* ---------- 玻璃拟态面板 ---------- */

[data-cb-glass],
.cb-glass {
  position: relative;
  border: 1px solid var(--cb-border);
  border-radius: var(--cb-radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.045), transparent 44%),
    var(--cb-surface);
  box-shadow: var(--cb-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(18px) saturate(128%);
  -webkit-backdrop-filter: blur(18px) saturate(128%);
}

[data-cb-glass]::before,
.cb-glass::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(var(--cb-primary-rgb), 0.06), transparent 30%, rgba(var(--cb-secondary-rgb), 0.045));
}

/* ---------- 卡片 3D 倾斜 + 跟随光晕 ---------- */

[data-cb-tilt] {
  --cb-tilt-x: 0deg;
  --cb-tilt-y: 0deg;
  --cb-glow-x: 50%;
  --cb-glow-y: 50%;
  transform: perspective(var(--cb-tilt-perspective, 900px)) rotateX(var(--cb-tilt-x)) rotateY(var(--cb-tilt-y)) translateZ(0);
  transform-style: preserve-3d;
  transition: transform 520ms var(--cb-ease-out), border-color 280ms ease, box-shadow 280ms ease;
}

[data-cb-tilt][data-cb-tilting="true"] {
  z-index: 2;
  border-color: var(--cb-border-strong);
  box-shadow: var(--cb-shadow), var(--cb-glow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: border-color 180ms ease, box-shadow 180ms ease;
  will-change: transform;
}

[data-cb-tilt]::after {
  position: absolute;
  inset: -1px;
  z-index: 4;
  content: "";
  border: 1px solid transparent;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    320px circle at var(--cb-glow-x) var(--cb-glow-y),
    rgba(var(--cb-primary-rgb), 0.2),
    rgba(var(--cb-primary-rgb), 0.055) 31%,
    transparent 66%
  );
  mix-blend-mode: screen;
  transition: opacity 260ms ease;
}

[data-cb-tilt][data-cb-tilting="true"]::after {
  opacity: 1;
}

[data-cb-tilt] > * {
  transform: translateZ(var(--cb-tilt-depth, 18px));
}

/* ---------- 进度环与数字入场 ---------- */

[data-cb-ring] {
  --cb-ring-value: 0%;
  --cb-ring-size: 116px;
  --cb-ring-width: 9px;
  --cb-ring-color: var(--cb-primary);
  position: relative;
  display: inline-grid;
  width: var(--cb-ring-size);
  aspect-ratio: 1;
  flex: 0 0 auto;
  place-items: center;
  isolation: isolate;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(var(--cb-primary-rgb), 0.12), transparent 61%),
    conic-gradient(var(--cb-ring-color) var(--cb-ring-value), rgba(var(--cb-primary-rgb), 0.09) 0);
  box-shadow: 0 0 30px rgba(var(--cb-primary-rgb), 0.08);
}

[data-cb-ring]::before {
  position: absolute;
  inset: var(--cb-ring-width);
  z-index: -1;
  content: "";
  border: 1px solid var(--cb-border);
  border-radius: inherit;
  background: var(--cb-bg-elevated);
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.2);
}

[data-cb-ring]::after {
  position: absolute;
  inset: calc(var(--cb-ring-width) * -0.35);
  z-index: -2;
  content: "";
  border-radius: inherit;
  opacity: var(--cb-ring-opacity, 0);
  background: radial-gradient(circle, rgba(var(--cb-primary-rgb), 0.16), transparent 70%);
  filter: blur(10px);
}

.cb-ring__value {
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.15rem, 2.2vw, 1.72rem);
  font-weight: 750;
  letter-spacing: -0.04em;
  color: var(--cb-text);
  text-shadow: 0 0 18px rgba(var(--cb-primary-rgb), 0.38);
}

.cb-ring__label {
  margin-top: 0.12rem;
  font-size: 0.66rem;
  letter-spacing: 0.11em;
  color: var(--cb-text-muted);
  text-transform: uppercase;
}

[data-cb-count] {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

[data-cb-count]:not([data-cb-animated="true"]),
[data-cb-ring]:not([data-cb-animated="true"]) {
  opacity: 0.4;
}

[data-cb-count][data-cb-animated="true"],
[data-cb-ring][data-cb-animated="true"] {
  opacity: 1;
  transition: opacity 500ms ease;
}

/* ---------- 状态灯 ---------- */

[data-cb-status] {
  --cb-status-color: var(--cb-text-muted);
  position: relative;
  display: inline-flex;
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--cb-status-color);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cb-status-color) 13%, transparent), 0 0 13px var(--cb-status-color);
}

[data-cb-status]::after {
  position: absolute;
  inset: -5px;
  content: "";
  border: 1px solid var(--cb-status-color);
  border-radius: inherit;
  animation: cb-status-pulse 2.2s ease-out infinite;
}

[data-cb-status="online"],
[data-cb-status="success"] { --cb-status-color: var(--cb-success); }
[data-cb-status="warning"] { --cb-status-color: var(--cb-warning); }
[data-cb-status="offline"],
[data-cb-status="danger"] { --cb-status-color: var(--cb-danger); }
[data-cb-status="idle"] { --cb-status-color: var(--cb-text-muted); }

[data-cb-status="offline"]::after,
[data-cb-status="idle"]::after {
  animation: none;
  opacity: 0.35;
}

@keyframes cb-status-pulse {
  0% { transform: scale(0.68); opacity: 0.9; }
  75%, 100% { transform: scale(1.7); opacity: 0; }
}

/* ---------- 顶部滚动公告 ---------- */

[data-cb-ticker] {
  position: relative;
  display: flex;
  min-width: 0;
  overflow: hidden;
  color: var(--cb-text-muted);
  mask-image: linear-gradient(90deg, transparent, black 4%, black 96%, transparent);
}

.cb-ticker__track {
  display: flex;
  width: max-content;
  flex: none;
  animation: cb-ticker-scroll var(--cb-ticker-duration, 28s) linear infinite;
  will-change: transform;
}

.cb-ticker__group {
  display: flex;
  min-width: max-content;
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4.5rem);
  padding-inline: clamp(0.75rem, 2.5vw, 2.25rem);
}

[data-cb-ticker]:hover .cb-ticker__track,
[data-cb-ticker][data-paused="true"] .cb-ticker__track {
  animation-play-state: paused;
}

.cb-ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 0.58rem;
  white-space: nowrap;
}

.cb-ticker__item strong {
  color: var(--cb-text);
  font-weight: 650;
}

@keyframes cb-ticker-scroll {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

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

.cb-toast-host {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 10000;
  display: grid;
  width: min(380px, calc(100vw - 2rem));
  gap: 0.7rem;
  pointer-events: none;
}

.cb-toast {
  --cb-toast-color: var(--cb-primary);
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.8rem;
  align-items: center;
  padding: 0.9rem 1rem;
  overflow: hidden;
  color: var(--cb-text);
  border: 1px solid color-mix(in srgb, var(--cb-toast-color) 32%, var(--cb-border));
  border-radius: 13px;
  background: var(--cb-surface-strong);
  box-shadow: var(--cb-shadow), 0 0 28px color-mix(in srgb, var(--cb-toast-color) 12%, transparent);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
  pointer-events: auto;
  transform: translate3d(24px, 0, 0) scale(0.97);
  opacity: 0;
  transition: transform 420ms var(--cb-ease-out), opacity 260ms ease;
}

.cb-toast[data-state="visible"] {
  transform: translate3d(0, 0, 0) scale(1);
  opacity: 1;
}

.cb-toast[data-state="leaving"] {
  transform: translate3d(12px, 0, 0) scale(0.98);
  opacity: 0;
}

.cb-toast[data-type="success"] { --cb-toast-color: var(--cb-success); }
.cb-toast[data-type="warning"] { --cb-toast-color: var(--cb-warning); }
.cb-toast[data-type="error"] { --cb-toast-color: var(--cb-danger); }

.cb-toast__icon {
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  place-items: center;
  color: var(--cb-toast-color);
  border-radius: 50%;
  background: color-mix(in srgb, var(--cb-toast-color) 13%, transparent);
  font-weight: 800;
}

.cb-toast__body {
  min-width: 0;
}

.cb-toast__title {
  margin: 0;
  font-size: 0.84rem;
  font-weight: 700;
}

.cb-toast__message {
  margin: 0.15rem 0 0;
  color: var(--cb-text-muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.cb-toast__close {
  display: grid;
  width: 1.65rem;
  height: 1.65rem;
  padding: 0;
  place-items: center;
  color: var(--cb-text-muted);
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.cb-toast__close:hover {
  color: var(--cb-text);
  background: var(--cb-surface-soft);
}

.cb-toast__timer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--cb-toast-color);
  transform-origin: left;
  animation: cb-toast-timer var(--cb-toast-duration, 3200ms) linear forwards;
}

@keyframes cb-toast-timer {
  to { transform: scaleX(0); }
}

/* ---------- 小工具通用外观 ---------- */

[data-cb-clock] {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.055em;
}

[data-cb-greeting] {
  text-wrap: balance;
}

[data-cb-theme-toggle],
[data-cb-refresh],
[data-cb-fullscreen] {
  -webkit-tap-highlight-color: transparent;
}

[data-cb-online-rate] {
  --cb-online-rate: 0%;
  --cb-online-color: var(--cb-success);
  position: relative;
}

.cb-online-gauge {
  position: relative;
  display: grid;
  width: var(--cb-gauge-size, 118px);
  aspect-ratio: 1;
  flex: none;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--cb-online-color) var(--cb-online-rate), rgba(var(--cb-primary-rgb), 0.08) 0);
  box-shadow: 0 0 24px color-mix(in srgb, var(--cb-online-color) 12%, transparent);
}

.cb-online-gauge::before {
  position: absolute;
  inset: 9px;
  content: "";
  border: 1px solid var(--cb-border);
  border-radius: 50%;
  background: var(--cb-bg-elevated);
}

.cb-online-gauge__content {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  line-height: 1;
}

.cb-online-gauge__value {
  color: var(--cb-text);
  font-size: 1.42rem;
  font-weight: 760;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.045em;
}

.cb-online-gauge__label {
  margin-top: 0.42rem;
  color: var(--cb-text-muted);
  font-size: 0.62rem;
  letter-spacing: 0.11em;
}

[data-cb-panel][hidden] {
  display: none !important;
}

/* 键盘用户可见焦点；不强制覆盖主站的 hover 设计。 */
[data-cb-theme-toggle]:focus-visible,
[data-cb-refresh]:focus-visible,
[data-cb-fullscreen]:focus-visible,
[data-cb-panel-open]:focus-visible,
.cb-toast__close:focus-visible {
  outline: 2px solid var(--cb-primary);
  outline-offset: 3px;
}

@media (max-width: 720px) {
  [data-cb-ring] {
    --cb-ring-size: 96px;
    --cb-ring-width: 8px;
  }

  [data-cb-tilt] > * {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-cb-flow]::before,
  [data-cb-flow]::after,
  [data-cb-status]::after,
  .cb-ticker__track,
  .cb-toast__timer {
    animation: none !important;
  }

  [data-cb-tilt],
  .cb-particle-canvas,
  .cb-toast {
    transition-duration: 1ms !important;
  }

  .cb-ticker__track {
    transform: none !important;
  }
}

@supports not (backdrop-filter: blur(1px)) {
  [data-cb-glass],
  .cb-glass,
  .cb-toast {
    background: var(--cb-surface-strong);
  }
}

@supports not (color: color-mix(in srgb, white, black)) {
  [data-cb-status] {
    box-shadow: 0 0 13px var(--cb-status-color);
  }

  .cb-toast {
    border-color: var(--cb-border-strong);
  }
}