:root {
  --bg: #f0f4f0; --panel: #ffffff; --text: #0f1710; --muted: #647466; --line: #e2e8e0;
  --green: #16a34a; --green-dark: #15803d; --green-soft: #dcfce7; --black: #052e16;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --radius: 16px; --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-sans); color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }
.hidden-field { display: none !important; }

.app-shell { max-width: 1400px; margin: 0 auto; padding: 24px; }
.topbar, .panel, .auth-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.topbar { padding: 20px 32px; display: flex; justify-content: space-between; align-items: center; background: linear-gradient(to right, #ffffff, #f8faf8); }
.brand-wrap { display: flex; gap: 24px; align-items: center; }
.brand-logo { height: 50px; object-fit: contain; }
.eyebrow, .section-kicker { text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.75rem; font-weight: 700; color: var(--green-dark); margin: 0 0 4px; }
h1, h2, h3, h4, p { margin-top: 0; }
h1 { margin-bottom: 4px; font-size: 1.5rem; font-weight: 800; color: var(--black); }
h2 { font-size: 1.25rem; }
.subtitle { color: var(--muted); font-size: 0.95rem; margin-bottom: 0; line-height: 1.5; }

.status-pill, .role-badge { display: inline-flex; align-items: center; background: var(--green-soft); color: var(--green-dark); padding: 8px 16px; border-radius: 99px; font-weight: 600; font-size: 0.875rem; }
.app-flow { margin-top: 24px; }
.auth-card { padding: 40px; max-width: 900px; margin: 0 auto; }
.auth-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.stack-form { display: grid; gap: 16px; margin-top: 16px; }
.workspace { display: grid; gap: 24px; }
.welcome-panel { padding: 24px 32px; display: flex; justify-content: space-between; align-items: center; }
.workspace-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }

.tabbar { display: flex; gap: 8px; }
.tab-btn { background: transparent; border: 1px solid transparent; color: var(--muted); padding: 12px 20px; border-radius: 8px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.tab-btn:hover { background: #e2e8e0; color: var(--text); }
.tab-btn.active { background: var(--black); color: #fff; }
.tab-panel { display: none; animation: fadeIn 0.3s ease; }
.tab-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

.grid-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; }
.admin-grid { grid-template-columns: 1.2fr 0.8fr; gap: 24px; }
.panel { padding: 32px; }
.panel-primary { border-top: 4px solid var(--green); }
.panel-wide { grid-column: 1 / -1; }
.panel-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; flex-wrap: wrap; gap: 16px; }
.panel-header.compact { margin-bottom: 20px; }
.clock-box { background: var(--black); color: #fff; padding: 10px 20px; border-radius: 8px; font-weight: 700; font-family: monospace; font-size: 1.2rem; }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 0.9rem; color: var(--text); }

/* MOBILE UPGRADE: Inputs set to 16px to prevent iOS auto-zoom, plus larger padding */
input, select, textarea { 
  border: 1px solid var(--line); 
  border-radius: 8px; 
  padding: 14px; 
  font-family: inherit;
  font-size: 16px; 
  background: #f8faf8; 
  color: var(--text); 
  transition: border-color 0.2s; 
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--green); background: #fff; box-shadow: 0 0 0 3px var(--green-soft); }
textarea { resize: vertical; min-height: 80px; }

/* MOBILE UPGRADE: Buttons have min-height 48px for thumb tapping */
.btn { 
  border: none; 
  border-radius: 8px; 
  padding: 14px 24px; 
  font-weight: 600; 
  cursor: pointer; 
  transition: all 0.2s; 
  font-size: 1rem; 
  min-height: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-block { width: 100%; }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--green-dark); }
.btn-dark { background: var(--black); color: #fff; }
.btn-secondary { background: var(--line); color: var(--text); }
.btn-accent { background: #0284c7; color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--line); color: var(--text); }

.summary-stack, .admin-metrics { display: grid; gap: 16px; }
.admin-metrics { grid-template-columns: repeat(4, 1fr); }
.metric-card { background: #f8faf8; border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.metric-card span { font-size: 0.8rem; text-transform: uppercase; color: var(--muted); font-weight: 700; display: block; margin-bottom: 8px; }
.metric-card strong { font-size: 1.5rem; color: var(--black); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; text-align: left; min-width: 600px; }
thead { background: #f8faf8; border-bottom: 1px solid var(--line); }
th, td { padding: 16px; font-size: 0.9rem; }
th { font-weight: 600; color: var(--muted); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em; }
td { border-bottom: 1px solid var(--line); color: var(--text); }
.empty-state, .empty-area { text-align: center; color: var(--muted); padding: 40px !important; font-style: italic; }

.service-tabs-card { margin: 24px 0; border: 1px solid var(--line); border-radius: 12px; padding: 24px; background: #f8faf8; }
.service-tabs { display: flex; gap: 8px; margin-bottom: 20px; background: #e2e8e0; padding: 4px; border-radius: 8px; }
.service-tab { flex: 1; border: none; background: transparent; padding: 12px 10px; font-weight: 600; color: var(--muted); border-radius: 6px; cursor: pointer; transition: all 0.2s; font-size: 0.95rem; }
.service-tab.active { background: #fff; color: var(--black); box-shadow: var(--shadow); }
.service-panel { display: none; }
.service-panel.active { display: block; animation: fadeIn 0.2s ease; }
.service-option-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.service-option { text-align: left; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 16px; font-weight: 700; color: var(--text); cursor: pointer; transition: all 0.2s; line-height: 1.3; }
.service-option span { display: block; font-weight: 400; font-size: 0.85rem; color: var(--muted); margin-top: 6px; }
.service-option:hover { border-color: var(--green); }
.service-option.selected { background: var(--green-soft); border-color: var(--green); color: var(--green-dark); box-shadow: 0 0 0 1px var(--green); }
.selected-service-banner { margin-top: 16px; padding: 14px 16px; background: #e0f2fe; color: #0369a1; border-radius: 8px; font-weight: 600; font-size: 0.95rem; }
.geo-row, .action-row, .toolbar-row { display: flex; gap: 16px; align-items: center; margin-top: 24px; flex-wrap: wrap; }
.geo-row p { margin: 0; font-size: 0.95rem; color: var(--muted); }

/* MOBILE RESPONSIVE TWEAKS */
@media (max-width: 1024px) { 
  .grid-layout, .admin-grid { grid-template-columns: 1fr; } 
  .admin-metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) { 
  .app-shell { padding: 12px; } 
  
  /* Stack Auth Screen nicely with a divider */
  .auth-grid { grid-template-columns: 1fr; gap: 32px; } 
  .auth-grid > div:first-child { border-bottom: 1px solid var(--line); padding-bottom: 32px; }
  .auth-card { padding: 24px 16px; }
  
  .panel { padding: 20px 16px; } 
  .topbar { flex-direction: column; align-items: flex-start; gap: 16px; padding: 20px 16px; }
  .brand-wrap { width: 100%; flex-direction: column; align-items: flex-start; gap: 12px; }
  .brand-logo { height: 40px; }

  /* Stack inputs vertically */
  .field-grid, .service-option-grid, .admin-metrics { grid-template-columns: 1fr; } 
  
  /* Make Tabs split the screen evenly */
  .tabbar { display: flex; width: 100%; }
  .tab-btn { flex: 1; padding: 14px 8px; font-size: 0.95rem; text-align: center; }

  /* Full width action buttons for thumbs */
  .action-row { flex-direction: column; width: 100%; gap: 12px; }
  .action-row .btn { width: 100%; }
  
  .geo-row { flex-direction: column; align-items: flex-start; width: 100%; gap: 12px; }
  .geo-row .btn { width: 100%; }
  
  /* Make service tabs scrollable if they get too tight */
  .service-tabs { overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
  .service-tab { padding: 14px 20px; }
}