/**
 * @file base.css
 * @description mc-ai 全局基础样式与表单组件
 */

@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@600;700;900&display=swap");
/**
 * @file tokens.css
 * @description mc-ai 设计令牌 - 中文编辑式（暖纸白 + 近黑 + 单一赤陶 accent）
 */

:root {
  /* 中性色：暖纸白底 + 近黑文字，去科技冷灰 */
  --color-bg: #fbfaf7;
  --color-surface: #ffffff;
  --color-surface-muted: #f3f1ec;
  --color-surface-hover: #ebe8e1;
  --color-border: rgba(28, 27, 25, 0.12);
  --color-border-strong: rgba(28, 27, 25, 0.24);
  --color-text: #1c1b19;
  --color-text-muted: #6b6862;

  /* 单一克制 accent：赤陶（matte，无渐变 glow） */
  --color-accent: #b23a2e;
  --color-accent-hover: #8f2e24;
  --color-accent-soft: rgba(178, 58, 46, 0.1);

  --color-success: #2f7a4d;
  --color-warning: #b5781f;
  --color-error: #b23a2e;

  /* 字体：思源宋体标题（编辑感）+ 思源黑体正文 */
  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 编辑式偏方角，圆角克制 */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-pill: 999px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 80px;

  /* 阴影极克制，偏暖色调 */
  --shadow-sm: 0 1px 2px rgba(28, 27, 25, 0.06);
  --shadow: 0 4px 16px rgba(28, 27, 25, 0.06);
  --shadow-hover: 0 10px 28px rgba(28, 27, 25, 0.1);

  --container: min(1180px, calc(100% - 3rem));
  --container-narrow: min(960px, calc(100% - 3rem));
  --header-height: 64px;

  /* App 外壳：可收起侧栏宽度 */
  --sidebar-w: 260px;
  --sidebar-w-collapsed: 64px;

  /* 克制柔和光感：暖白 → 极浅赤陶径向，仅用于侧栏 active / 面板头微光，避免 AI 味 */
  --gradient-soft: radial-gradient(
    120% 120% at 0% 0%,
    rgba(178, 58, 46, 0.07) 0%,
    rgba(178, 58, 46, 0) 55%
  );
  --gradient-active: linear-gradient(
    90deg,
    rgba(178, 58, 46, 0.12) 0%,
    rgba(178, 58, 46, 0.04) 100%
  );

  /* 勾选图标（用于 mask，配合 background 上色） */
  --icon-check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E");
}

/**
 * @file components.css
 * @description 编辑式页面组件（顶栏、Hero、工具区、页脚、Auth）
 */

.container {
  width: var(--container);
  margin-inline: auto;
}

.container-narrow {
  width: var(--container-narrow);
  margin-inline: auto;
}

/* --- 顶栏：实底细线，无玻璃 --- */
.xyq-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(1.5rem, calc((100% - 1180px) / 2 + 1.5rem));
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.xyq-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.55rem 0.35rem 0.4rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.xyq-logo:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(243, 241, 236, 0.9) 100%);
  border-color: rgba(28, 27, 25, 0.08);
  box-shadow: var(--shadow-sm);
}

.xyq-logo__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  background: linear-gradient(145deg, rgba(178, 58, 46, 0.16) 0%, rgba(178, 58, 46, 0.08) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.xyq-logo__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  color: var(--color-text);
  line-height: 1;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-user {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-right: 0.25rem;
}

.btn-text {
  padding: 0.4rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.2s;
}

.btn-text:hover {
  color: var(--color-accent);
}

/* --- 主按钮：实心近黑，方角，无渐变 --- */
.xyq-btn-start {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-text);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.xyq-btn-start:hover {
  color: #fff;
  background: #000;
  transform: translateY(-1px);
}

.xyq-btn-start:active {
  transform: translateY(0);
}

.xyq-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.xyq-link-arrow:hover {
  color: var(--color-accent-hover);
}

/* --- Hero：左对齐编辑式，纯色底，大宋体标题 --- */
.xyq-hero {
  padding: clamp(4rem, 12vh, 8rem) 0 clamp(3rem, 8vh, 6rem);
  border-bottom: 1px solid var(--color-border);
}

.xyq-hero__eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.xyq-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-text);
  max-width: 16ch;
  margin-bottom: 1.5rem;
}

.xyq-hero__sub {
  font-size: clamp(1rem, 1.6vw, 1.1875rem);
  color: var(--color-text-muted);
  max-width: 42ch;
  line-height: 1.7;
  margin-bottom: 2.25rem;
}

.xyq-hero__cta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* --- 工具区：编辑式不对称，细线分隔 --- */
.xyq-section {
  padding: var(--space-2xl) 0;
}

.xyq-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.xyq-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 700;
  color: var(--color-text);
}

.xyq-tool-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.xyq-tool-row {
  position: relative;
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem 0.5rem;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  transition: color 0.25s;
}

/* hover 背景用伪元素淡入，行内容用 transform 平移，避免 layout 抖动 */
.xyq-tool-row::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-surface-muted);
  opacity: 0;
  transition: opacity 0.25s;
  z-index: -1;
}

.xyq-tool-row:hover {
  color: var(--color-text);
}

.xyq-tool-row:hover::before {
  opacity: 1;
}

.xyq-tool-row__num {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

.xyq-tool-row__main {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.xyq-tool-row:hover .xyq-tool-row__main {
  transform: translateX(8px);
}

.xyq-tool-row__title {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.6vw, 1.875rem);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.xyq-tool-row__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  max-width: 52ch;
}

.xyq-chip {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  white-space: nowrap;
}

.xyq-tool-row__go {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  transition: transform 0.25s, color 0.25s;
}

.xyq-tool-row:hover .xyq-tool-row__go {
  transform: translateX(4px);
  color: var(--color-accent);
}

/* --- 页脚：小云雀式居中备案区 --- */
.xyq-footer {
  padding: 2.75rem 0 3rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.xyq-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.xyq-footer__legal {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.625rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.xyq-footer__company-name {
  color: var(--color-text);
  font-weight: 500;
}

.xyq-footer__company {
  font-size: 0.8125rem;
  color: var(--color-text);
  font-weight: 500;
}

.xyq-footer__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
}

.xyq-footer__meta a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.xyq-footer__meta a:hover {
  color: var(--color-accent);
}

.xyq-footer__text-btn {
  padding: 0;
  font: inherit;
  font-size: inherit;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.xyq-footer__text-btn:hover {
  color: var(--color-accent);
}

.xyq-footer__sep {
  color: var(--color-border-strong);
  user-select: none;
}

.xyq-footer__beian {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.xyq-footer__beian a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.xyq-footer__beian a:hover {
  color: var(--color-accent);
}

.xyq-gongan {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.xyq-gongan img {
  flex-shrink: 0;
}

.xyq-footer__copy {
  margin-top: 0.25rem;
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  opacity: 0.85;
}

/* --- 营业执照弹层 --- */
.xyq-license-dialog {
  padding: 0;
  border: none;
  background: transparent;
  max-width: min(720px, calc(100vw - 2rem));
}

.xyq-license-dialog::backdrop {
  background: rgba(28, 27, 25, 0.45);
}

.xyq-license-dialog__panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  overflow: hidden;
}

.xyq-license-dialog__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.xyq-license-dialog__head h2 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
}

.xyq-license-dialog__close {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
}

.xyq-license-dialog__close:hover {
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.xyq-license-card {
  padding: 1rem 1.25rem 1.5rem;
}

.xyq-license-card__image {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
}

/* --- Auth 页：纸白卡片，无渐变 --- */
.auth-page {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: var(--color-bg);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.auth-card h1 {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.auth-footer {
  margin-top: var(--space-lg);
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.auth-footer a {
  color: var(--color-accent);
  margin: 0 0.5rem;
}

.empty-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg);
}

.empty-page h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.empty-page p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

@media (prefers-reduced-motion: no-preference) {
  .xyq-reveal {
    opacity: 0;
    transform: translateY(20px);
    animation: xyqReveal 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  .xyq-reveal-delay-1 { animation-delay: 0.1s; }
  .xyq-reveal-delay-2 { animation-delay: 0.2s; }

  @keyframes xyqReveal {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (max-width: 768px) {
  .xyq-tool-row {
    grid-template-columns: 1fr auto;
  }

  .xyq-tool-row__num {
    display: none;
  }

  .nav-user {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .xyq-reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }
}


*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

main {
  overflow-x: hidden;
  width: 100%;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-hover);
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
  transition: background 0.2s, transform 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-text);
  color: #fff;
}

.btn-primary:hover {
  color: #fff;
  background: #000;
}

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

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

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-surface-muted);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color 0.2s, background 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  background: var(--color-surface);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-group input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow);
}

.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  animation: slideIn 0.2s ease;
}

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

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

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}