/* 第七层 - 全局样式（白色办公主题） */

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

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f7f8fa;
  --bg-tertiary: #eef0f3;
  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --text-dim: #999;
  --accent-blue: #2563eb;
  --accent-green: #16a34a;
  --accent-orange: #ea580c;
  --accent-red: #dc2626;
  --accent-yellow: #ca8a04;
  --accent-purple: #7c3aed;
  --border-color: #e0e0e0;
  --border-hover: #cbd5e1;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --top-bar-h: 40px;
  --sidebar-w: 200px;
  --inventory-w: 260px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  font-size: 14px;
  line-height: 1.6;
}

/* ===== 登录屏幕 ===== */
.login-screen {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: var(--bg-secondary);
}

.login-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2.5rem 2rem 1.5rem;
  width: 380px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.login-logo-icon {
  font-size: 2rem;
  color: var(--accent-blue);
}

.login-logo-text h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.login-logo-text p {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.login-field {
  margin-bottom: 1rem;
}

.login-field label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  font-weight: 500;
}

.login-field input {
  width: 100%;
  padding: 0.55rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s;
}

.login-field input:focus {
  border-color: var(--accent-blue);
}

.login-captcha .captcha-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.login-captcha .captcha-row input {
  flex: 1;
}

.captcha-img {
  padding: 0.55rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  user-select: none;
  text-decoration: line-through;
  text-decoration-color: var(--border-color);
}

.login-btn {
  width: 100%;
  padding: 0.65rem;
  background: var(--accent-blue);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
  font-family: var(--font-sans);
  margin-top: 0.5rem;
}

.login-btn:hover {
  background: #1d4ed8;
}

.login-hint {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 1rem;
}

.login-footer {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.7rem;
  color: var(--text-dim);
}

/* ===== 游戏主界面 ===== */
.game-container {
  display: none;
  height: 100vh;
  grid-template-columns: var(--sidebar-w) 1fr var(--inventory-w);
  grid-template-rows: var(--top-bar-h) 1fr;
  grid-template-areas:
    "topbar topbar topbar"
    "sidebar main inventory";
}

.game-container.active {
  display: grid;
}

/* 顶部栏 */
.top-bar {
  grid-area: topbar;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-logo {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-blue);
}

.top-bar-sep {
  color: var(--border-color);
  font-size: 0.8rem;
}

.top-bar-breadcrumb {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.top-bar-user {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.top-bar-time {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* 左侧模块栏 */
.module-sidebar {
  grid-area: sidebar;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  padding: 0.5rem 0;
}

.module-section-title {
  padding: 0.5rem 1rem 0.25rem;
  font-size: 0.68rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.module-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 1rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  transition: all 0.15s;
  text-align: left;
  position: relative;
}

.module-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.module-item.active {
  background: rgba(37, 99, 235, 0.06);
  color: var(--accent-blue);
  font-weight: 500;
}

.module-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 3px;
  background: var(--accent-blue);
  border-radius: 0 2px 2px 0;
}

.module-item.locked {
  color: var(--text-dim);
  cursor: default;
  opacity: 0.6;
}

.module-icon {
  font-size: 0.9rem;
  flex-shrink: 0;
}

.module-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.module-badge {
  background: var(--accent-red);
  color: #fff;
  font-size: 0.65rem;
  padding: 0.1rem 0.4rem;
  border-radius: 8px;
  min-width: 16px;
  text-align: center;
}

/* 主内容区 */
.main-content {
  grid-area: main;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
}

.view-container {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.view {
  display: none;
  height: 100%;
  overflow: auto;
  animation: viewFadeIn 0.25s ease;
}

.view.active {
  display: flex;
  flex-direction: column;
}

@keyframes viewFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===== 取证夹侧边栏 ===== */
.inventory-panel {
  grid-area: inventory;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.inventory-header {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.inventory-header h3 {
  color: var(--text-primary);
  font-size: 0.78rem;
  font-weight: 600;
}

.evidence-count {
  font-size: 0.72rem;
  color: var(--text-dim);
  background: var(--bg-tertiary);
  padding: 0.1rem 0.5rem;
  border-radius: 10px;
}

.inventory-progress {
  height: 3px;
  background: var(--bg-tertiary);
  flex-shrink: 0;
}

.inventory-progress-bar {
  height: 100%;
  background: var(--accent-blue);
  transition: width 0.5s ease;
  border-radius: 0 2px 2px 0;
}

.inventory-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
}

.inventory-list .empty {
  text-align: center;
  color: var(--text-dim);
  padding: 2rem 1rem;
  font-size: 0.78rem;
}

.evidence-item {
  display: flex;
  align-items: center;
  padding: 0.45rem 0.5rem;
  margin-bottom: 0.3rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.evidence-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-tertiary);
}

.evidence-item.new {
  animation: evidencePop 0.4s ease;
}

@keyframes evidencePop {
  0% { transform: scale(0.9); opacity: 0; }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); opacity: 1; }
}

.evidence-icon {
  font-size: 0.82rem;
  margin-right: 0.4rem;
  flex-shrink: 0;
}

.evidence-info {
  flex: 1;
  min-width: 0;
}

.evidence-name {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.evidence-id {
  font-size: 0.65rem;
  color: var(--text-dim);
}

/* 证据获得通知 */
.evidence-toast {
  position: fixed;
  bottom: 16px;
  right: calc(var(--inventory-w) + 16px);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-green);
  border-radius: 6px;
  padding: 0.6rem 0.85rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  z-index: 999;
  animation: toastSlideIn 0.3s ease;
  max-width: 280px;
}

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

.evidence-toast.fade-out {
  opacity: 0;
  transition: opacity 0.4s;
}

.evidence-toast-title {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: 0.1rem;
}

.evidence-toast-name {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ===== 模态框 ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  max-width: 520px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.modal-content h3 {
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
}

.modal-content input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  outline: none;
  transition: border-color 0.15s;
}

.modal-content input:focus {
  border-color: var(--accent-blue);
}

.modal-content button {
  padding: 0.5rem 1.25rem;
  background: var(--accent-blue);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  margin-right: 0.5rem;
  transition: background 0.15s;
}

.modal-content button:hover {
  background: #1d4ed8;
}

.modal-content button.secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.modal-content button.secondary:hover {
  background: var(--border-color);
}

/* ===== 通知 ===== */
.notification {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-blue);
  color: var(--text-secondary);
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  font-size: 0.82rem;
  z-index: 9999;
  animation: toastSlideIn 0.3s ease;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.notification.fade-out {
  opacity: 0;
  transition: opacity 0.5s;
}

/* ===== 通用动画 ===== */
@keyframes slideIn {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}

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

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #d0d0d0;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #bbb;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root {
    --sidebar-w: 160px;
    --inventory-w: 220px;
  }
}

@media (max-width: 768px) {
  .game-container {
    grid-template-columns: 1fr;
    grid-template-rows: var(--top-bar-h) 1fr;
    grid-template-areas:
      "topbar"
      "main";
  }
  .module-sidebar,
  .inventory-panel {
    display: none;
  }
}