:root {
  --nana-red: #E1332B;
  --nana-black: #1C1C1E;
  --nana-white: #FFFFFF;
  --nana-gray: #F4F4F5;
  --nana-green: #22A45D;
  --nana-orange: #F59E0B;
  --nana-border: #E4E4E7;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--nana-gray);
  color: var(--nana-black);
}

/* --- Login --- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 16px;
}
.login-card {
  background: var(--nana-white);
  width: 100%;
  max-width: 380px;
  padding: 32px 24px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
}
.login-card h1 { text-align: center; margin: 0 0 4px; font-size: 26px; }
.login-card h1 span { color: var(--nana-red); }
.subtitle { text-align: center; color: #71717a; margin: 0 0 24px; font-size: 14px; }
.login-card label { display: block; font-size: 13px; margin: 12px 0 4px; font-weight: 600; }
.login-card input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--nana-border);
  border-radius: 8px; font-size: 15px;
}
.login-card button {
  width: 100%; margin-top: 20px; padding: 12px; border: none;
  background: var(--nana-red); color: var(--nana-white); font-weight: 700;
  border-radius: 8px; font-size: 15px; cursor: pointer;
}
.login-card button:hover { background: #c62a23; }
.alert { padding: 10px 12px; border-radius: 8px; font-size: 14px; margin-bottom: 8px; }
.alert-error { background: #FEE2E2; color: #991B1B; }

/* --- Topbar --- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--nana-black); color: var(--nana-white);
  padding: 14px 20px; flex-wrap: wrap; gap: 10px;
}
.logo { font-weight: 800; font-size: 18px; }
.logo span { color: var(--nana-red); }
.user-box { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.btn-logout {
  color: var(--nana-white); background: var(--nana-red); text-decoration: none;
  padding: 6px 12px; border-radius: 6px; font-size: 13px;
}

/* --- Dashboard --- */
.dashboard { padding: 20px; max-width: 1100px; margin: 0 auto; }
.dashboard h1 { font-size: 20px; margin-bottom: 16px; }
.cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px; margin-bottom: 28px;
}
.card {
  background: var(--nana-white); border: 1px solid var(--nana-border);
  border-radius: 10px; padding: 14px; display: flex; flex-direction: column; gap: 6px;
}
.card-label { font-size: 12px; color: #71717a; }
.card-value { font-size: 22px; font-weight: 700; }
.card-warning .card-value { color: var(--nana-orange); }
.card-danger .card-value { color: var(--nana-red); }
.card-success .card-value { color: var(--nana-green); }

.quick-actions h2 { font-size: 16px; margin-bottom: 10px; }
.actions-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px;
}
.action-btn {
  padding: 12px; border-radius: 8px; border: 1px solid var(--nana-border);
  background: var(--nana-white); font-weight: 600; font-size: 13px; cursor: not-allowed;
  opacity: .55;
}
.note { font-size: 12px; color: #71717a; margin-top: 10px; }

/* --- Nav --- */
.mainnav {
  display: flex; gap: 4px; background: var(--nana-white);
  border-bottom: 1px solid var(--nana-border); padding: 0 20px; overflow-x: auto;
}
.mainnav a {
  padding: 12px 14px; text-decoration: none; color: var(--nana-black);
  font-size: 14px; font-weight: 600; white-space: nowrap; border-bottom: 3px solid transparent;
}
.mainnav a.active { color: var(--nana-red); border-bottom-color: var(--nana-red); }

/* --- List pages (clients / phones) --- */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px; margin-bottom: 16px;
}
.btn-primary {
  background: var(--nana-red); color: var(--nana-white); text-decoration: none;
  padding: 10px 16px; border-radius: 8px; font-weight: 700; font-size: 14px; border: none; cursor: pointer;
}
.search-box {
  padding: 9px 12px; border: 1px solid var(--nana-border); border-radius: 8px;
  font-size: 14px; width: 100%; max-width: 280px;
}
.table-wrap { background: var(--nana-white); border-radius: 10px; overflow-x: auto; border: 1px solid var(--nana-border); }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--nana-border); white-space: nowrap; }
table.data th { background: var(--nana-gray); font-size: 12px; text-transform: uppercase; color: #52525b; }
table.data a { color: var(--nana-red); text-decoration: none; font-weight: 600; }
table.data a.btn-primary { color: var(--nana-white); }
table.data a.btn-secondary { color: var(--nana-black); }
.badge { display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.badge-green { background: #DCFCE7; color: #166534; }
.badge-orange { background: #FEF3C7; color: #92400E; }
.badge-red { background: #FEE2E2; color: #991B1B; }
.badge-gray { background: #F1F1F3; color: #52525b; }
.empty-state { padding: 30px; text-align: center; color: #71717a; }

/* --- Form pages --- */
.form-card {
  background: var(--nana-white); border: 1px solid var(--nana-border); border-radius: 10px;
  padding: 20px; max-width: 640px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.form-grid label { font-size: 13px; font-weight: 600; margin-bottom: 4px; display: block; }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--nana-border); border-radius: 8px; font-size: 14px;
}
.form-grid .required::after { content: " *"; color: var(--nana-red); }
.form-actions { margin-top: 18px; display: flex; gap: 10px; }
.btn-secondary {
  background: var(--nana-gray); color: var(--nana-black); text-decoration: none;
  padding: 10px 16px; border-radius: 8px; font-weight: 600; font-size: 14px;
}