:root {
  color: #1c2921;
  background: #f3f7f4;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  font-synthesis: none;
  line-height: 1.5;
  --green: #4d8662;
  --green-dark: #306d48;
  --green-light: #e0efe5;
  --line: #dfe9e2;
  --muted: #78877d;
  --white: #ffffff;
  --orange: #d88b39;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.is-hidden { display: none !important; }
.muted { color: var(--muted); }
.eyebrow { color: var(--muted); font-size: 12px; letter-spacing: .04em; margin: 0 0 4px; }
h1, h2, p { margin-top: 0; }
h1 { font-size: 30px; line-height: 1.2; margin-bottom: 8px; }
h2 { font-size: 18px; line-height: 1.3; margin: 0; }

.brand-mark {
  align-items: center;
  background: var(--green);
  border-radius: 8px;
  color: #fff;
  display: flex;
  font-size: 24px;
  font-weight: 700;
  height: 52px;
  justify-content: center;
  width: 52px;
}
.brand-mark.small { font-size: 17px; height: 34px; width: 34px; }
.auth-shell { align-items: center; display: flex; justify-content: center; min-height: 100vh; padding: 24px; }
.auth-panel { background: var(--white); border: 1px solid var(--line); border-radius: 8px; max-width: 420px; padding: 40px; width: 100%; }
.auth-panel h1 { margin-top: 18px; }
.stack-form { display: grid; gap: 9px; margin-top: 28px; }
label { color: #435248; font-size: 13px; font-weight: 600; }
input, textarea, select { background: #fff; border: 1px solid #cfdcd3; border-radius: 6px; color: #1c2921; outline: none; padding: 10px 12px; }
input, textarea { width: 100%; }
input:focus, textarea:focus, select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(77, 134, 98, .12); }
textarea { min-height: 130px; resize: vertical; }
.primary-button { background: var(--green); border: 1px solid var(--green); border-radius: 6px; color: #fff; font-weight: 600; padding: 10px 16px; }
.primary-button:hover { background: var(--green-dark); border-color: var(--green-dark); }
.primary-button:disabled { cursor: wait; opacity: .6; }
.ghost-button { background: #fff; border: 1px solid var(--line); border-radius: 6px; color: #526158; padding: 8px 12px; }
.ghost-button:hover { border-color: var(--green); color: var(--green-dark); }
.form-error, .global-error { color: #c94e4e; min-height: 20px; }
.form-error { font-size: 13px; margin: 4px 0 0; }

.topbar { align-items: center; background: #fff; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; min-height: 70px; padding: 0 28px; }
.topbar-brand, .topbar-actions { align-items: center; display: flex; gap: 12px; }
.app-switcher { align-items: center; color: var(--muted); display: flex; font-size: 12px; gap: 8px; }
.app-switcher select { min-width: 150px; padding: 8px 10px; }
.topbar-brand strong { display: block; font-size: 16px; }
.topbar-brand .eyebrow { margin: 0; }
.status-pill { background: var(--green-light); border-radius: 20px; color: var(--green-dark); font-size: 12px; padding: 5px 10px; }
.workspace { display: flex; min-height: calc(100vh - 70px); }
.sidebar { background: #edf5ef; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; padding: 24px 14px; width: 220px; }
.nav-item { background: transparent; border: 0; border-radius: 6px; color: #55645b; padding: 11px 14px; text-align: left; }
.nav-item:hover { background: rgba(255, 255, 255, .72); }
.nav-item.is-active { background: var(--green-light); color: var(--green-dark); font-weight: 600; }
.sidebar-note { border-top: 1px solid var(--line); color: var(--muted); display: grid; font-size: 12px; gap: 3px; margin-top: auto; padding: 18px 14px 4px; }
.sidebar-note strong { color: #526158; font-size: 13px; font-weight: 600; }
.content { max-width: 1320px; padding: 38px 42px 64px; width: 100%; }
.page-heading { align-items: flex-end; display: flex; justify-content: space-between; margin-bottom: 28px; }
.page-heading p { margin-bottom: 0; max-width: 680px; }
.heading-meta { color: var(--muted); font-size: 13px; }
.stat-grid { display: grid; gap: 14px; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 18px; }
.stat-card, .panel { background: var(--white); border: 1px solid var(--line); border-radius: 8px; }
.stat-card { min-height: 142px; padding: 20px; }
.stat-card > span { color: var(--muted); display: block; font-size: 13px; }
.stat-card strong { display: block; font-size: 34px; line-height: 1.2; margin: 10px 0 7px; }
.stat-card small { color: var(--muted); font-size: 12px; }
.accent-card strong { color: var(--orange); }
.panel-grid { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel { padding: 22px; }
.panel-heading { align-items: flex-start; display: flex; justify-content: space-between; margin-bottom: 22px; }
.distribution-list { display: grid; gap: 12px; min-height: 62px; }
.distribution-item { display: grid; gap: 5px; }
.distribution-label { align-items: center; display: flex; font-size: 13px; justify-content: space-between; }
.distribution-label strong { font-weight: 600; }
.bar-track { background: #edf3ef; border-radius: 4px; height: 7px; overflow: hidden; }
.bar-value { appearance: none; border: 0; display: block; height: 7px; min-width: 2px; width: 100%; }
.bar-value::-webkit-progress-bar { background: #edf3ef; border-radius: 4px; }
.bar-value::-webkit-progress-value { background: var(--green); border-radius: 4px; }
.bar-value::-moz-progress-bar { background: var(--green); border-radius: 4px; }
.empty-state { color: var(--muted); font-size: 13px; padding: 6px 0; }
.feature-panel { margin-top: 14px; }
.feature-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.feature-grid > div { background: #f7faf8; border: 1px solid #e7efe9; border-radius: 6px; display: flex; justify-content: space-between; padding: 14px 16px; }
.feature-grid span { color: var(--muted); }
.feature-grid strong { color: var(--green-dark); font-size: 20px; }
.release-panel { max-width: 760px; }
.release-form { display: grid; gap: 20px; }
.two-columns { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
.field { display: grid; gap: 7px; }
.field small { color: var(--muted); font-size: 12px; }
.form-actions { align-items: center; display: flex; justify-content: flex-end; gap: 14px; }
.form-message { color: var(--green-dark); font-size: 13px; margin-right: auto; }
.release-files-list { background: #f7faf8; border: 1px solid #e7efe9; border-radius: 6px; display: grid; gap: 0; max-height: 210px; overflow: auto; padding: 4px 12px; }
.release-file-item { align-items: center; border-top: 1px solid var(--line); display: flex; font-size: 13px; justify-content: space-between; gap: 14px; padding: 8px 0; }
.release-file-item:first-child { border-top: 0; }
.release-file-item span { overflow-wrap: anywhere; }
.release-file-item small { color: var(--muted); flex: 0 0 auto; }
.release-tip { margin-top: 14px; max-width: 760px; }
.release-tip p:last-child { margin-bottom: 0; }
.feedback-toolbar { align-items: center; display: flex; gap: 9px; }
.feedback-toolbar select { min-width: 130px; }
.feedback-panel { max-width: 980px; }
.feedback-list { display: grid; gap: 0; }
.feedback-item { border-top: 1px solid var(--line); padding: 20px 0; }
.feedback-item:first-child { border-top: 0; padding-top: 0; }
.feedback-item:last-child { padding-bottom: 0; }
.feedback-meta, .feedback-footer { align-items: center; color: var(--muted); display: flex; flex-wrap: wrap; font-size: 12px; gap: 8px 16px; }
.feedback-category { background: var(--green-light); border-radius: 4px; color: var(--green-dark); font-weight: 600; padding: 3px 8px; }
.feedback-content { line-height: 1.7; margin: 12px 0; overflow-wrap: anywhere; white-space: pre-wrap; }
.feedback-footer { justify-content: space-between; }
.feedback-footer label { align-items: center; display: flex; gap: 8px; }
.feedback-status { min-width: 110px; padding: 7px 9px; }
.application-grid { align-items: start; }
.application-list { display: grid; gap: 12px; }
.application-item { border: 1px solid var(--line); border-radius: 6px; padding: 14px; }
.application-item.is-disabled { opacity: .6; }
.application-item-head { align-items: flex-start; display: flex; gap: 12px; justify-content: space-between; }
.application-item h3 { font-size: 17px; margin: 0; }
.application-item p { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.application-item small { color: var(--muted); display: block; margin-top: 10px; }
.application-item-actions { align-items: center; display: flex; gap: 10px; margin-top: 14px; }
.application-item-actions label { align-items: center; display: flex; font-size: 13px; gap: 7px; }
.integration-panel { margin-top: 18px; max-width: 980px; }
.config-preview { background: #f7faf8; border: 1px solid var(--line); border-radius: 6px; color: #1c2921; font: 13px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; margin: 14px 0 0; overflow: auto; padding: 14px; white-space: pre-wrap; }
.global-error { margin: 20px 0 0; }

@media (max-width: 900px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .content { padding: 28px 24px 48px; }
}
@media (max-width: 680px) {
  .topbar { align-items: flex-start; flex-direction: column; gap: 14px; padding: 16px 18px; }
  .topbar-actions { align-self: stretch; justify-content: flex-end; }
  .app-switcher { margin-right: auto; }
  .workspace { display: block; min-height: auto; }
  .sidebar { border-bottom: 1px solid var(--line); border-right: 0; flex-direction: row; padding: 10px 14px; width: 100%; }
  .nav-item { flex: 1; text-align: center; }
  .sidebar-note { display: none; }
  .content { padding: 26px 16px 40px; }
  .page-heading { align-items: flex-start; display: block; }
  .feedback-toolbar { margin-top: 14px; }
  .heading-meta { display: block; margin-top: 12px; }
  .panel-grid, .two-columns, .feature-grid { grid-template-columns: 1fr; }
  .stat-card { min-height: 126px; padding: 16px; }
  .stat-card strong { font-size: 28px; }
  .auth-panel { padding: 30px 24px; }
}