/* ========================================
   全局样式 Reset & 基础排版
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:wght@400;700&family=Inter:wght@300;400;500;600;700&display=swap');

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-ui);
  color: var(--color-text-primary);
  background: linear-gradient(180deg, #f8fcff 0%, var(--color-bg) 42%, var(--color-bg-secondary) 100%);
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
}

body.gantt-page {
  overflow-x: hidden;
  overflow-y: auto;
  height: auto;
  min-height: 100vh;
}

body.tools-page {
  overflow-x: hidden;
  overflow-y: auto;
  height: auto;
  min-height: 100vh;
}

.route-feedback-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  background: linear-gradient(180deg, #fafdff 0%, var(--color-bg) 52%, var(--color-bg-secondary) 100%);
}

.route-feedback-card {
  width: min(560px, 100%);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  padding: 32px 28px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.route-feedback-card.is-error {
  border-color: rgba(185, 92, 88, 0.24);
}

.route-feedback-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  padding: 6px 12px;
  background: var(--color-primary-ultra-light);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.route-feedback-card h1 {
  margin: 16px 0 12px;
  color: var(--color-text-primary);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.08;
  font-family: var(--font-display);
  font-weight: 400;
}

.route-feedback-card p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.route-feedback-dots {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
}

.route-feedback-dots span {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  animation: typing-dot 1.1s infinite;
}

.route-feedback-dots span:nth-child(2) {
  animation-delay: 0.15s;
}

.route-feedback-dots span:nth-child(3) {
  animation-delay: 0.3s;
}

.route-feedback-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 22px;
  border-radius: 3px;
  padding: 12px 18px;
  background: var(--color-text-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
  font-size: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* 滚动条 — 始终可见 */
* {
  scrollbar-width: thin;
  scrollbar-color: #9fb5c8 #e8f0f6;
}
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #e8f0f6;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb {
  background: #9fb5c8;
  border-radius: var(--radius-full);
  border: 1px solid #e8f0f6;
}
::-webkit-scrollbar-thumb:hover {
  background: #7d99b0;
}

/* 选中文本 */
::selection {
  background: var(--color-primary-light);
  color: var(--color-text-primary);
}

/* 工具提示 */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 8px;
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 1000;
}
[data-tooltip]:hover::after {
  opacity: 1;
}

/* 动画关键帧 */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes typing-dot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-4px); }
}