:root {
  --bg: #f7f7f8;
  --surface: #ffffff;
  --border: #e2e2e6;
  --text: #1a1a1e;
  --text-muted: #6b6b73;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16161a;
    --surface: #1f1f24;
    --border: #313138;
    --text: #f0f0f2;
    --text-muted: #9a9aa2;
    --shadow: 0 1px 3px rgba(0,0,0,0.4);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: 24px 32px 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.topbar h1 { font-size: 1.4rem; margin: 0; }
.topbar-actions { display: flex; gap: 10px; }

.btn {
  border: none;
  border-radius: var(--radius);
  padding: 9px 16px;
  font-size: 0.9rem;
  cursor: pointer;
  font-weight: 500;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-icon { background: transparent; border: none; font-size: 1.4rem; cursor: pointer; color: var(--text-muted); line-height: 1; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.stat-card .num { font-size: 1.6rem; font-weight: 700; }
.stat-card .label { font-size: 0.78rem; color: var(--text-muted); }

.filters {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filters input, .filters select {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
}
#search { flex: 1; min-width: 220px; }

.view-toggle { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.btn-toggle {
  border: none; background: var(--surface); color: var(--text-muted);
  padding: 8px 12px; font-size: 0.82rem; cursor: pointer;
}
.btn-toggle.active { background: var(--primary); color: white; }

.map-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
#map { height: 520px; width: 100%; }

tr.needs-followup {
  box-shadow: inset 4px 0 0 #d97706;
}
.followup-badge {
  display: inline-block;
  margin-left: 6px;
  font-size: 0.72rem;
  color: #d97706;
  font-weight: 700;
}

.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  box-shadow: var(--shadow);
}

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th { color: var(--text-muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: color-mix(in srgb, var(--primary) 6%, transparent); }
td.title-cell { white-space: normal; max-width: 260px; font-weight: 500; }
td.notes-hint { color: var(--text-muted); font-weight: 400; font-size: 0.78rem; }

.thumb {
  width: 40px; height: 40px; border-radius: 6px; object-fit: cover; background: var(--border);
}

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: white;
  white-space: nowrap;
}

.link-icon { color: var(--primary); text-decoration: none; font-size: 0.85rem; }

.empty { text-align: center; padding: 40px; color: var(--text-muted); }
.hidden { display: none !important; }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px; overflow-y: auto; z-index: 50;
}
.modal-content {
  background: var(--surface);
  border-radius: 14px;
  width: 100%; max-width: 640px;
  padding: 24px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.modal-header h2 { margin: 0; font-size: 1.1rem; }

.import-row { display: flex; gap: 8px; margin-bottom: 4px; }
.import-row input { flex: 1; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); }
.import-status { font-size: 0.78rem; color: var(--text-muted); min-height: 16px; margin: 4px 0 14px; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 14px;
}
.grid label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 0.78rem; color: var(--text-muted);
}
.grid label.span2 { grid-column: 1 / -1; }
.grid input, .grid select, .grid textarea {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.88rem;
  font-family: inherit;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
}
.spacer { flex: 1; }

.modal-small { max-width: 440px; }
.settings-label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 0.78rem; color: var(--text-muted);
  margin-bottom: 4px;
}
.settings-label input {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.88rem;
}

.inline-row { display: flex; gap: 8px; }
.inline-row input { flex: 1; }
.btn-small { padding: 8px 10px; font-size: 0.78rem; white-space: nowrap; }
.commute-result { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; display: block; }
.commute-result.warn { color: #d97706; font-weight: 600; }
.resolved-address { color: var(--text-muted); font-weight: 400; font-style: italic; }
.energy-badge { min-width: 20px; text-align: center; border: 1px solid rgba(0,0,0,0.15); }

.home-wrap { margin-bottom: 24px; }
.home-intro { color: var(--text-muted); font-size: 0.9rem; margin: 0 0 16px; }
.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.platform-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.platform-card .platform-icon { font-size: 1.6rem; }
.platform-card .platform-name { font-weight: 700; font-size: 1rem; }
.platform-card .platform-desc { color: var(--text-muted); font-size: 0.8rem; flex: 1; margin-bottom: 6px; }
.platform-card .platform-actions { display: flex; gap: 8px; }
.platform-card .platform-actions a,
.platform-card .platform-actions button { flex: 1; text-align: center; text-decoration: none; }

.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.12);
  padding: 32px;
  width: 100%;
  max-width: 380px;
}
.auth-title { font-size: 1.2rem; margin: 0 0 18px; text-align: center; }
.auth-tabs { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-bottom: 18px; }
.auth-tab { flex: 1; border: none; background: var(--surface); color: var(--text-muted); padding: 9px; font-size: 0.85rem; cursor: pointer; }
.auth-tab.active { background: var(--primary); color: white; }
.auth-submit { width: 100%; margin-top: 6px; }
#authForm .settings-label, #createProjectForm .settings-label { margin-bottom: 12px; }
#authForm input, #createProjectForm input {
  width: 100%; padding: 9px 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 0.9rem;
}

.invite-banner {
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border: 1px solid var(--primary);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.project-list { display: flex; flex-direction: column; gap: 8px; }
.project-item {
  display: flex; align-items: center; justify-content: space-between;
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
  background: var(--bg); cursor: pointer; font-size: 0.9rem;
}
.project-item:hover { border-color: var(--primary); }

.link-toggle {
  background: none; border: none; color: var(--primary); font-size: 0.82rem;
  cursor: pointer; padding: 8px 0; text-align: left; width: 100%;
}
#joinProjectForm { margin-top: 4px; }