:root {
  --primary: #0f6d66;
  --primary-dark: #0a4f4a;
  --accent: #c7942f;
  --bg: #f4f6f5;
  --card: #ffffff;
  --border: #dfe4e2;
  --text: #1e2a28;
  --muted: #6b7876;
  --danger: #b3413a;
  --success-bg: #e7f4ee;
  --success-text: #1e6b47;
  --error-bg: #fbeceb;
  --error-text: #a6362d;
  --radius: 10px;
}

* { 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);
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

/* Topbar */
.topbar {
  background: var(--primary-dark);
  color: white;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-row {
  max-width: 900px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  margin-right: auto;
}
.brand:hover { text-decoration: none; opacity: 0.9; }

.search-form { flex: 1; min-width: 160px; max-width: 320px; }
.search-form input {
  width: 100%;
  padding: 7px 12px;
  border-radius: 20px;
  border: none;
  font-size: 0.9rem;
}

.plan-tabs {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px 10px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
}
.plan-tabs a {
  color: rgba(255,255,255,0.85);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.85rem;
  white-space: nowrap;
  background: rgba(255,255,255,0.08);
}
.plan-tabs a:hover { background: rgba(255,255,255,0.16); text-decoration: none; }
.plan-tabs a.active { background: var(--accent); color: #2a1f00; font-weight: 600; }

/* Buttons / links-as-buttons */
button, .button {
  background: var(--primary);
  color: white;
  border: none;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
}
button:hover { background: var(--primary-dark); }

.link-btn {
  background: none;
  color: var(--primary);
  padding: 0;
  font-size: 0.85rem;
  text-decoration: underline;
}
.link-btn:hover { background: none; color: var(--primary-dark); }
.link-btn.danger { color: var(--danger); }
.link-btn.small { font-size: 0.8rem; }
.inline-form { display: inline; }

/* Flash messages */
.flashes { margin-bottom: 16px; }
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 8px; font-size: 0.9rem; }
.flash-success { background: var(--success-bg); color: var(--success-text); }
.flash-error { background: var(--error-bg); color: var(--error-text); }

/* Login */
.login-wrap { display: flex; justify-content: center; padding-top: 10vh; }
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 340px;
  text-align: center;
}
.login-card h1 { font-size: 1.3rem; margin-bottom: 4px; }
.login-card form { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; }
.login-card input { padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 1rem; }

/* Plan grid (home) */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}
.plan-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  color: var(--text);
  display: block;
}
.plan-card:hover { border-color: var(--primary); text-decoration: none; }
.plan-card h2 { margin: 0 0 8px; font-size: 1.1rem; }
.plan-card-count { margin: 0 0 6px; font-size: 0.85rem; color: var(--muted); }
.plan-card-phone { margin: 0; font-size: 0.85rem; }
.plan-card-add form { display: flex; gap: 6px; margin-top: 8px; }
.plan-card-add input { flex: 1; min-width: 0; padding: 8px; border: 1px solid var(--border); border-radius: 6px; }

.recent h2 { font-size: 1.05rem; }
.entry-list { list-style: none; padding: 0; margin: 0; }
.entry-list li { border-bottom: 1px solid var(--border); }
.entry-list a {
  display: flex;
  gap: 10px;
  padding: 10px 4px;
  color: var(--text);
  align-items: baseline;
  flex-wrap: wrap;
}
.entry-list a:hover { text-decoration: none; background: rgba(15,109,102,0.05); }
.entry-plan {
  background: var(--primary);
  color: white;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 10px;
}
.entry-title { flex: 1; }
.entry-date { color: var(--muted); font-size: 0.85rem; }

/* Plan detail */
.plan-heading { margin-bottom: 16px; }
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.panel-head { display: flex; justify-content: space-between; align-items: center; }
.panel h2 { margin: 0 0 12px; font-size: 1.05rem; }
.panel-head h2 { margin: 0; }

.guide-content { font-size: 0.95rem; }
.guide-text { white-space: pre-wrap; }
.hidden { display: none; }

textarea, input[type=text], input[type=date], input[type=search] {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 100%;
}
textarea { width: 100%; resize: vertical; margin-bottom: 10px; }
.form-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.form-row input { flex: 1; min-width: 160px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}
.form-grid label { display: flex; flex-direction: column; font-size: 0.82rem; color: var(--muted); gap: 4px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid button { grid-column: 1 / -1; justify-self: start; }

.add-details { margin-bottom: 16px; }
.add-details summary { cursor: pointer; color: var(--primary); font-weight: 600; font-size: 0.9rem; padding: 4px 0; }

.phone-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.phone-table td { padding: 8px 6px; border-bottom: 1px solid var(--border); font-size: 0.9rem; vertical-align: top; }
.phone-label { font-weight: 600; white-space: nowrap; }
.phone-number { white-space: nowrap; }
.phone-actions { text-align: right; }

.log-list { list-style: none; padding: 0; margin: 0; }
.log-entry {
  border-left: 3px solid var(--primary);
  padding: 10px 14px;
  margin-bottom: 12px;
  background: rgba(15,109,102,0.03);
  border-radius: 0 6px 6px 0;
}
.log-entry-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 4px; }
.log-entry p { margin: 4px 0; font-size: 0.93rem; }
.log-date { color: var(--muted); font-size: 0.82rem; }
.resolution { color: var(--text); }
.entry-plan-badge {
  background: var(--primary);
  color: white;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 10px;
}

.muted { color: var(--muted); }
.small { font-size: 0.82rem; }

.footer { text-align: center; color: var(--muted); font-size: 0.8rem; padding: 24px 0; }

@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
  .topbar-row { gap: 10px; }
  .search-form { order: 3; max-width: none; flex-basis: 100%; }

  .phone-table, .phone-table tbody, .phone-table tr, .phone-table td {
    display: block;
    width: 100%;
  }
  .phone-table tr { padding: 10px 0; border-bottom: 1px solid var(--border); }
  .phone-table td { border-bottom: none; padding: 2px 0; }
  .phone-actions { text-align: left; }
}