:root {
  --gs-bg: #f3fbfa;
  --gs-bg-alt: #edf8f7;
  --gs-panel: #ffffff;
  --gs-panel-border: rgba(14, 165, 165, 0.18);
  --gs-primary: #0ea5a5;
  --gs-primary-strong: #0d8f8f;
  --gs-accent-text: #0b3b3b;
  --gs-text: #123333;
  --gs-text-soft: #325757;
  --gs-muted: #5c7c7c;
  --gs-success: #1d8f7a;
  --gs-error: #b65959;
  --gs-warning: #c58f4f;
  --gs-shadow-soft: 0 10px 24px rgba(20, 63, 63, 0.08);
  --gs-shadow-strong: 0 18px 36px rgba(12, 52, 52, 0.14);
  --gs-radius-lg: 16px;
  --gs-radius-md: 12px;
  --gs-radius-sm: 10px;
  --gs-transition: 200ms ease;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: linear-gradient(180deg, var(--gs-bg) 0%, var(--gs-bg-alt) 100%);
  color: var(--gs-text);
  font-family: Inter,Segoe UI,Arial,sans-serif;
}

body.gs-reduced-motion *,
body.gs-reduced-motion *::before,
body.gs-reduced-motion *::after {
  animation: none !important;
  transition-duration: 1ms !important;
  scroll-behavior: auto !important;
}

.gs-shell {
  max-width: 100%;
  margin: 0;
  padding: 20px 40px 30px;
  display: grid;
  gap: 14px;
}

.gs-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.gs-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--gs-accent-text);
}

.gs-brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid var(--gs-panel-border);
  background: linear-gradient(135deg, #d8f3f3, #f1fbfb);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: var(--gs-primary-strong);
}

.gs-brand-label {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.gs-nav {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}

.gs-nav-link {
  text-decoration: none;
  border: 1px solid var(--gs-panel-border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--gs-text);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
  transition: background-color var(--gs-transition), transform var(--gs-transition), color var(--gs-transition);
}

.gs-nav-link:hover,
.gs-nav-link:focus-visible {
  background: #e8f8f7;
  transform: translateY(-1px);
}

.gs-nav-link[aria-current="page"] {
  background: var(--gs-primary);
  color: #ffffff;
  border-color: var(--gs-primary);
}

.gs-panel {
  background: var(--gs-panel);
  border: 1px solid var(--gs-panel-border);
  border-radius: var(--gs-radius-lg);
  box-shadow: var(--gs-shadow-soft);
  padding: 16px;
}

.gs-panel h1,
.gs-panel h2,
.gs-panel h3 {
  margin-top: 0;
  color: var(--gs-accent-text);
}

.gs-subtitle {
  margin: 0;
  color: var(--gs-text-soft);
  line-height: 1.55;
}

.gs-controls-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.gs-field {
  display: grid;
  gap: 6px;
}

.gs-field-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--gs-muted);
  font-weight: 700;
}

.gs-input,
.gs-select,
.gs-textarea {
  width: 100%;
  border: 1px solid var(--gs-panel-border);
  border-radius: var(--gs-radius-sm);
  background: #ffffff;
  color: var(--gs-text);
  padding: 10px 11px;
  font-size: 0.95rem;
}

.gs-textarea {
  min-height: 96px;
  resize: vertical;
}

.gs-input:focus,
.gs-select:focus,
.gs-textarea:focus {
  outline: 2px solid rgba(14, 165, 165, 0.22);
  border-color: var(--gs-primary);
}

.gs-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.gs-btn {
  border: 1px solid var(--gs-panel-border);
  border-radius: var(--gs-radius-sm);
  background: #ffffff;
  color: var(--gs-text);
  padding: 10px 14px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform var(--gs-transition), background-color var(--gs-transition), border-color var(--gs-transition);
}

.gs-btn:hover,
.gs-btn:focus-visible {
  transform: translateY(-1px);
}

.gs-btn-primary {
  background: var(--gs-primary);
  color: #ffffff;
  border-color: var(--gs-primary);
}

.gs-btn-primary:hover,
.gs-btn-primary:focus-visible {
  background: var(--gs-primary-strong);
}

.gs-btn-soft {
  background: #e6f7f7;
  color: var(--gs-accent-text);
}

.gs-btn-danger {
  background: #fff3f3;
  border-color: rgba(182, 89, 89, 0.35);
  color: #8d3f3f;
}

.gs-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.gs-chip {
  border: 1px solid var(--gs-panel-border);
  border-radius: 999px;
  background: #f5fcfc;
  color: var(--gs-text-soft);
  padding: 5px 10px;
  font-size: 0.78rem;
  font-weight: 700;
}

.gs-badge {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.gs-badge-rookie {
  background: #eaf8f7;
  color: #166865;
}

.gs-badge-field {
  background: #e8f5fc;
  color: #15557b;
}

.gs-badge-director {
  background: #f4edf9;
  color: #55387f;
}

.gs-grid {
  display: grid;
  gap: 12px;
}

.gs-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gs-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.gs-card {
  border: 1px solid var(--gs-panel-border);
  border-radius: var(--gs-radius-md);
  background: #ffffff;
  padding: 14px;
  box-shadow: 0 6px 18px rgba(11, 59, 59, 0.05);
}

.gs-card-title {
  margin: 0 0 8px;
  color: var(--gs-accent-text);
  font-size: 1.07rem;
}

.gs-card-sub {
  margin: 0;
  color: var(--gs-text-soft);
  line-height: 1.5;
}

.gs-list {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--gs-text-soft);
  line-height: 1.45;
}

.gs-toast {
  border: 1px solid var(--gs-panel-border);
  border-radius: var(--gs-radius-md);
  background: #ffffff;
  padding: 12px;
  transition: transform var(--gs-transition), opacity var(--gs-transition), box-shadow var(--gs-transition);
}

.gs-toast h3 {
  margin: 0 0 6px;
  font-size: 0.8rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.gs-toast p {
  margin: 0;
  line-height: 1.45;
}

.gs-toast-success {
  border-color: rgba(29, 143, 122, 0.35);
  box-shadow: 0 0 0 3px rgba(29, 143, 122, 0.18);
  animation: gs-pulse-ok 220ms ease;
}

.gs-toast-error {
  border-color: rgba(182, 89, 89, 0.4);
  box-shadow: 0 0 0 3px rgba(182, 89, 89, 0.18);
  animation: gs-pulse-error 220ms ease;
}

.gs-inline-metric {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.gs-inline-metric b {
  color: var(--gs-accent-text);
}

.gs-progress {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: #e2f2f2;
  overflow: hidden;
}

.gs-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #26b0b0, #0ea5a5);
  transition: width var(--gs-transition);
}

.gs-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(12, 41, 41, 0.36);
  display: none;
  place-items: center;
  z-index: 60;
  padding: 12px;
}

.gs-modal-backdrop[data-open="true"] {
  display: grid;
}

.gs-modal {
  width: min(760px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: #ffffff;
  border: 1px solid var(--gs-panel-border);
  border-radius: var(--gs-radius-lg);
  box-shadow: var(--gs-shadow-strong);
  padding: 16px;
}

.gs-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.gs-kbd-hint {
  color: var(--gs-muted);
  font-size: 0.8rem;
}

.gs-table {
  width: 100%;
  border-collapse: collapse;
}

.gs-table th,
.gs-table td {
  border-bottom: 1px solid rgba(14, 165, 165, 0.12);
  padding: 9px 8px;
  text-align: left;
  vertical-align: top;
}

.gs-table th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gs-muted);
}

.gs-empty {
  border: 1px dashed rgba(14, 165, 165, 0.28);
  border-radius: var(--gs-radius-md);
  padding: 14px;
  color: var(--gs-muted);
  background: rgba(255, 255, 255, 0.6);
}

@keyframes gs-pulse-ok {
  0% { transform: scale(0.996); opacity: 0.95; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes gs-pulse-error {
  0% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  50% { transform: translateX(2px); }
  75% { transform: translateX(-1px); }
  100% { transform: translateX(0); }
}

@media (max-width: 1024px) {
  .gs-controls-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .gs-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .gs-shell {
    padding: 14px 12px 20px;
  }
  .gs-grid-2,
  .gs-grid-3 {
    grid-template-columns: 1fr;
  }
  .gs-nav {
    width: 100%;
  }
  .gs-nav-link {
    flex: 1 1 auto;
    text-align: center;
  }
}