/**
 * 导潮广州 - 组件样式表
 * 导航栏、页脚、卡片、按钮、AI面板、Toast、弹窗等组件样式
 * @author Kou (寇豆码)
 */

/* ===== 导航栏 ===== */
.gz-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(245, 241, 232, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.gz-navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

.gz-navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.gz-navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.gz-navbar__brand img {
  height: 36px;
  width: auto;
}

.gz-navbar__brand:hover {
  color: var(--color-primary-dark);
}

.gz-navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.gz-navbar__link {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.gz-navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

.gz-navbar__link:hover::after,
.gz-navbar__link.active::after {
  width: 100%;
}

.gz-navbar__link:hover,
.gz-navbar__link.active {
  color: var(--color-primary);
}

.gz-navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.gz-navbar__toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

.gz-navbar__toggle:hover {
  background: var(--color-bg-alt);
}

.gz-navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  position: relative;
  transition: all var(--transition-fast);
}

.gz-navbar__toggle span::before,
.gz-navbar__toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-fast);
}

.gz-navbar__toggle span::before {
  top: -7px;
}

.gz-navbar__toggle span::after {
  top: 7px;
}

.gz-navbar__toggle.open span {
  background: transparent;
}

.gz-navbar__toggle.open span::before {
  transform: rotate(45deg);
  top: 0;
}

.gz-navbar__toggle.open span::after {
  transform: rotate(-45deg);
  top: 0;
}

/* 移动端导航 */
.gz-navbar__mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
  animation: fadeInUp var(--transition-normal) ease;
}

.gz-navbar__mobile-menu.open {
  display: flex;
}

.gz-navbar__mobile-menu .gz-navbar__link {
  font-size: var(--fs-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

/* ===== 按钮组件 ===== */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.btn-accent {
  background: var(--gradient-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

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

.btn-ghost:hover {
  background: var(--color-bg-alt);
}

.btn-lg {
  padding: 14px 32px;
  font-size: var(--fs-md);
}

.btn-sm {
  padding: 6px 16px;
  font-size: var(--fs-sm);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ===== 卡片组件 ===== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-clickable {
  cursor: pointer;
}

.card-clickable:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-md);
}

.card__subtitle {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.card__body {
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
}

.card__footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 功能卡片（首页模块入口） */
.feature-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 28px;
}

.feature-card__icon--primary {
  background: rgba(26, 107, 142, 0.1);
  color: var(--color-primary);
}

.feature-card__icon--accent {
  background: rgba(194, 59, 34, 0.1);
  color: var(--color-accent);
}

.feature-card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.feature-card__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  line-height: var(--lh-relaxed);
}

/* ===== AI对话面板 ===== */
.ai-panel {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 600px;
}

.ai-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--gradient-primary);
  color: var(--color-white);
}

.ai-panel__title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-md);
  font-weight: 600;
}

.ai-panel__status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-xs);
  opacity: 0.9;
}

.ai-panel__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ADE80;
}

.ai-panel__status-dot.typing {
  background: #FBBF24;
  animation: pulse 1s ease-in-out infinite;
}

.ai-panel__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.ai-panel__input-area {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.ai-panel__input-wrapper {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-end;
}

.ai-panel__input {
  flex: 1;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  resize: none;
  max-height: 120px;
  min-height: 44px;
  line-height: var(--lh-normal);
  transition: border-color var(--transition-fast);
}

.ai-panel__input:focus {
  border-color: var(--color-primary-light);
}

.ai-panel__send-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.ai-panel__send-btn:hover {
  transform: scale(1.05);
}

.ai-panel__send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: scale(1);
}

/* 消息行布局（现代聊天风格） */
.msg-row {
  display: flex;
  gap: var(--space-sm);
  animation: fadeInUp var(--transition-fast) ease;
}

.msg-row--user {
  justify-content: flex-end;
}

.msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  background: var(--color-bg-alt);
}

.msg-avatar--ai {
  background: var(--gradient-primary);
}

.msg-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 80%;
}

.msg-row--user .msg-col {
  align-items: flex-end;
}

.msg-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

.msg-meta--user {
  flex-direction: row-reverse;
}

.msg-meta__label {
  font-weight: 500;
}

.msg-meta__time {
  opacity: 0.7;
}

/* 消息气泡 */
.msg-bubble {
  max-width: 100%;
  padding: var(--space-md) var(--space-lg);
  border-radius: 18px;
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  word-break: break-word;
}

.msg-bubble--user {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-bottom-right-radius: 6px;
}

.msg-bubble--ai {
  background: var(--color-white);
  color: var(--color-text);
  border-bottom-left-radius: 6px;
  border: 1px solid var(--color-border);
}

/* 打字机光标 */
.typing-cursor::after {
  content: '|';
  animation: blink 1s step-end infinite;
  color: var(--color-primary);
}

/* 加载动画 */
.ai-loading {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border-radius: 18px;
  border-bottom-left-radius: 6px;
  border: 1px solid var(--color-border);
  align-self: flex-start;
}

.ai-loading__dots {
  display: flex;
  gap: 4px;
}

.ai-loading__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary-light);
  animation: bounce 1.4s ease-in-out infinite;
}

.ai-loading__dot:nth-child(2) {
  animation-delay: 0.2s;
}

.ai-loading__dot:nth-child(3) {
  animation-delay: 0.4s;
}

/* ===== AI浮窗（全站悬浮入口） ===== */
.ai-float {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 900;
  transition: all var(--transition-normal);
}

.ai-float:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.ai-float__icon {
  font-size: 28px;
  color: var(--color-white);
}

.ai-float__badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* AI浮窗展开面板 */
.ai-float__panel {
  position: fixed;
  bottom: calc(var(--space-xl) + 72px);
  right: var(--space-xl);
  width: 400px;
  max-width: calc(100vw - 32px);
  height: 520px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 901;
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: fadeInUp var(--transition-normal) ease;
}

.ai-float__panel.open {
  display: flex;
}

/* ===== Toast提示 ===== */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + var(--space-md));
  right: var(--space-lg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--fs-sm);
  min-width: 280px;
  max-width: 400px;
  pointer-events: auto;
  animation: slideInRight var(--transition-normal) ease;
}

.toast.fade-out {
  animation: slideOutRight var(--transition-normal) ease forwards;
}

.toast--success {
  background: var(--color-white);
  border-left: 4px solid var(--color-success);
}

.toast--error {
  background: var(--color-white);
  border-left: 4px solid var(--color-error);
}

.toast--warning {
  background: var(--color-white);
  border-left: 4px solid var(--color-warning);
}

.toast--info {
  background: var(--color-white);
  border-left: 4px solid var(--color-primary);
}

.toast__icon {
  font-size: var(--fs-lg);
  flex-shrink: 0;
}

.toast__close {
  margin-left: auto;
  cursor: pointer;
  opacity: 0.6;
  font-size: var(--fs-md);
  line-height: 1;
}

.toast__close:hover {
  opacity: 1;
}

/* ===== 弹窗/模态框 ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(44, 62, 80, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal-overlay.open {
  display: flex;
  animation: fadeIn var(--transition-fast) ease;
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  animation: fadeInUp var(--transition-normal) ease;
}

.modal--lg {
  max-width: 800px;
}

.modal--sm {
  max-width: 400px;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.modal__title {
  font-size: var(--fs-lg);
  font-weight: 600;
}

.modal__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--fs-lg);
  color: var(--color-text-light);
  transition: all var(--transition-fast);
}

.modal__close:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.modal__body {
  padding: var(--space-lg);
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* ===== 表单组件 ===== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.form-label__required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  transition: border-color var(--transition-fast);
  background: var(--color-white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

.form-hint {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-text-light);
  margin-top: var(--space-xs);
}

/* ===== 标签/徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 500;
  line-height: 1.5;
}

.badge--primary {
  background: rgba(26, 107, 142, 0.1);
  color: var(--color-primary);
}

.badge--accent {
  background: rgba(194, 59, 34, 0.1);
  color: var(--color-accent);
}

.badge--success {
  background: rgba(39, 174, 96, 0.1);
  color: var(--color-success);
}

.badge--warning {
  background: rgba(243, 156, 18, 0.1);
  color: var(--color-warning);
}

.badge--error {
  background: rgba(231, 76, 60, 0.1);
  color: var(--color-error);
}

/* ===== 页脚 ===== */
.gz-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.gz-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.gz-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.gz-footer__brand {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.gz-footer__slogan {
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-md);
  opacity: 0.7;
}

.gz-footer__title {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.gz-footer__link {
  display: block;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.gz-footer__link:hover {
  color: var(--color-white);
}

.gz-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-xs);
  opacity: 0.6;
}

/* ===== 分割线 ===== */
.divider {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-lg) 0;
}

.divider--gradient {
  background: var(--gradient-primary);
  height: 2px;
}

/* ===== 空状态 ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
}

.empty-state__icon {
  font-size: 64px;
  margin-bottom: var(--space-lg);
  opacity: 0.3;
}

.empty-state__title {
  font-size: var(--fs-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.empty-state__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  max-width: 400px;
}

/* ===== 加载骨架屏 ===== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-alt) 25%,
    var(--color-bg) 50%,
    var(--color-bg-alt) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton--text {
  height: 16px;
  margin-bottom: var(--space-sm);
}

.skeleton--title {
  height: 24px;
  width: 60%;
  margin-bottom: var(--space-md);
}

.skeleton--card {
  height: 200px;
}

/* ===== 动画定义 ===== */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

@keyframes bounce {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

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

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

/* ===== 响应式适配 ===== */
@media (max-width: 1024px) {
  .gz-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .ai-float__panel {
    width: 360px;
  }
}

@media (max-width: 768px) {
  .gz-navbar__nav {
    display: none;
  }

  .gz-navbar__toggle {
    display: flex;
  }

  .gz-navbar__actions {
    gap: var(--space-sm);
  }

  .ai-panel {
    height: 500px;
    border-radius: var(--radius-md);
  }

  .ai-float {
    width: 52px;
    height: 52px;
    bottom: var(--space-md);
    right: var(--space-md);
  }

  .ai-float__panel {
    bottom: calc(var(--space-md) + 60px);
    right: var(--space-md);
    left: var(--space-md);
    width: auto;
    height: 460px;
  }

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

  .gz-footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .toast-container {
    right: var(--space-md);
    left: var(--space-md);
  }

  .toast {
    min-width: auto;
    max-width: none;
  }

  .modal {
    max-width: none;
    width: 100%;
    max-height: 90vh;
  }

  .msg-col {
    max-width: 90%;
  }
}