/* =========================================================
   停车场车牌智能识别计费系统 · 业务扩展样式
   在 02-智能体生成前端代码/css/style.css 的设计变量之上扩展，
   不覆盖原有识别面板样式，只新增导航、监控、表单、图表等模块。
   ========================================================= */

/* ---------- 顶部导航 ---------- */
.appnav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: linear-gradient(180deg, rgba(6, 13, 23, 0.96), rgba(6, 13, 23, 0.78));
  border-bottom: 1px solid var(--line);
}

.appnav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 10px 26px;
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.appnav-inner::-webkit-scrollbar { display: none; }

.appnav-item {
  flex: 0 0 auto;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.appnav-item:hover {
  color: var(--text);
  background: var(--surface-soft);
}

.appnav-item.is-active {
  color: #041018;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 8px 22px rgba(var(--cyan-rgb), 0.22);
}

.appnav-user {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 12px;
  color: var(--text-soft);
  font-size: 13px;
  white-space: nowrap;
}

.appnav-user-name::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

.appnav-logout {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.appnav-logout:hover {
  color: var(--red);
  border-color: rgba(var(--red-rgb), 0.45);
}

/* ---------- 快捷指标条 ---------- */
.quickbar {
  max-width: var(--content-max);
  margin: 18px auto 0;
  padding: 0 26px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.quick-item {
  position: relative;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.quick-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cyan);
  opacity: 0.85;
}

.quick-item.accent-green::before { background: var(--green); }
.quick-item.accent-amber::before { background: var(--amber); }
.quick-item.accent-blue::before { background: var(--blue); }

.quick-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.quick-item strong {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--text);
  line-height: 1.1;
}

.quick-sub {
  font-size: 11px;
  color: var(--muted-deep);
}

/* ---------- 视图切换 ---------- */
.view {
  animation: viewIn 260ms var(--ease);
}

.view[hidden] { display: none; }

@keyframes viewIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 监控 ---------- */
.monitor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.85fr);
  gap: 18px;
  padding: 6px 22px 22px;
}

.monitor-stage {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 0%, rgba(var(--cyan-rgb), 0.08), transparent 60%), #050a12;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.monitor-stage video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.monitor-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  color: var(--muted);
}

.monitor-placeholder p {
  margin: 0;
  font-size: 16px;
  color: var(--text-soft);
}

.monitor-placeholder span {
  font-size: 12.5px;
  color: var(--muted-deep);
  max-width: 320px;
}

.monitor-placeholder .camera-core {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  border: 1px solid rgba(var(--cyan-rgb), 0.35);
  color: var(--cyan);
  background: rgba(var(--cyan-rgb), 0.08);
}

.monitor-live,
.monitor-clock {
  position: absolute;
  top: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  background: rgba(3, 8, 14, 0.72);
  border: 1px solid var(--line);
}

.monitor-live {
  left: 12px;
  color: var(--red);
  border-color: rgba(var(--red-rgb), 0.5);
}

.monitor-live::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
  animation: livePulse 1.4s infinite;
}

@keyframes livePulse {
  50% { opacity: 0.25; }
}

.monitor-clock {
  right: 12px;
  color: var(--text-soft);
}

.monitor-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.monitor-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.file-pick {
  position: relative;
  overflow: hidden;
}

.file-pick input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.monitor-card {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface-soft);
}

.mini-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted-deep);
  text-transform: uppercase;
}

.monitor-plate {
  margin: 8px 0 4px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan-bright);
  letter-spacing: 0.04em;
}

.monitor-meta {
  margin: 0 0 12px;
  font-size: 12.5px;
  color: var(--muted);
}

.monitor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.monitor-log-list {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 210px;
  overflow-y: auto;
}

.log-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(9, 20, 34, 0.6);
  font-size: 12.5px;
}

.log-item img {
  width: 54px;
  height: 36px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #000;
}

.log-item strong {
  font-family: var(--font-mono);
  color: var(--text);
  font-size: 13px;
}

.log-item span {
  color: var(--muted);
  font-size: 11.5px;
}

/* ---------- 表格与表单 ---------- */
.text-input {
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(6, 14, 24, 0.9);
  color: var(--text);
  font-size: 13.5px;
  font-family: inherit;
  transition: var(--transition);
  min-width: 0;
}

.text-input:focus {
  outline: none;
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px rgba(var(--cyan-rgb), 0.12);
}

select.text-input { cursor: pointer; }

.pager {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--muted);
}

.settings-form-panel { max-width: 900px; margin: 0 auto; }

.settings-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 8px 24px 24px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 12.5px;
  color: var(--muted);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 14px;
}

.form-hint { font-size: 12px; color: var(--muted-deep); }

.divider {
  margin: 4px 24px 20px;
  border: none;
  border-top: 1px dashed var(--line);
}

/* ---------- 模型评估 ---------- */
.model-stats { padding: 4px 22px 8px; }

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 8px 22px 18px;
}

.chart-card {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface-soft);
}

.chart-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}

.chart-head h3 {
  margin: 0;
  font-size: 14px;
  color: var(--text);
}

.chart-head span {
  font-size: 11.5px;
  color: var(--muted-deep);
  font-family: var(--font-mono);
}

.chart-card canvas {
  width: 100%;
  height: 220px;
  display: block;
}

.model-note {
  margin: 0;
  padding: 6px 24px 22px;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 登录层 ---------- */
.login-layer {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at 50% 20%, rgba(var(--cyan-rgb), 0.12), transparent 55%), rgba(2, 6, 12, 0.92);
  backdrop-filter: blur(6px);
}

.login-layer[hidden] { display: none; }

.login-card {
  width: min(420px, 100%);
  padding: 30px 28px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  background: var(--surface-strong);
  box-shadow: var(--shadow-panel);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-badge {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  border: 1px solid rgba(var(--cyan-rgb), 0.32);
  background: rgba(var(--cyan-rgb), 0.08);
}

.login-card h2 {
  margin: 0;
  font-size: 20px;
  color: var(--text);
  line-height: 1.4;
}

.login-sub {
  margin: 0 0 4px;
  font-size: 12.5px;
  color: var(--muted);
}

.login-submit {
  justify-content: center;
  margin-top: 6px;
}

.login-error {
  margin: 0;
  min-height: 16px;
  font-size: 12.5px;
  color: var(--red);
}

.login-tip {
  margin: 0;
  font-size: 11.5px;
  color: var(--muted-deep);
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .monitor-grid { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: 1fr; }
  .quickbar { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .appnav-inner { padding: 10px 14px; }
  .appnav-user { display: none; }
  .quickbar { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0 14px; }
  .settings-form { grid-template-columns: 1fr; padding: 8px 16px 18px; }
  .monitor-grid { padding: 6px 14px 16px; }
  .chart-grid { padding: 8px 14px 14px; }
  .model-stats { padding: 4px 14px 8px; }
}