@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
  --primary: #123C7A;
  --primary-dark: #0C2A57;
  --accent: #2E6FF2;
  --bg: #F5F7FA;
  --card-bg: #FFFFFF;
  --text: #1A1A2E;
  --text-muted: #6B7280;
  --border: #E5E9F0;
  --success: #16A34A;
  --danger: #DC2626;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--primary-dark);
  color: #fff;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar .brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.3px;
}

.topbar .brand span { color: #7CA6FF; }

.topbar nav { display: flex; gap: 4px; }

.topbar nav a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
}

.topbar nav a:hover { background: rgba(255,255,255,0.1); color: #fff; }
.topbar nav a.active { background: rgba(255,255,255,0.18); color: #fff; }

.topbar .right { display: flex; align-items: center; gap: 16px; }

.topbar button {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
}

.topbar button:hover { background: rgba(255,255,255,0.1); }

.container {
  max-width: 960px;
  margin: 32px auto;
  padding: 0 20px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(18, 60, 122, 0.06);
}

.card h2 {
  margin-top: 0;
  font-size: 18px;
  color: var(--primary-dark);
}

/* Login page */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary) 60%, var(--accent));
}

.login-card {
  background: #fff;
  padding: 40px 36px;
  border-radius: 16px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}

.login-card h1 {
  font-size: 20px;
  margin: 0 0 4px;
  color: var(--primary-dark);
}

.login-card p.subtitle {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 24px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="file"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  margin-bottom: 16px;
  background: #fff;
}

input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

button.primary {
  width: 100%;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}

button.primary:hover { background: var(--primary-dark); }
button.primary:disabled { opacity: 0.6; cursor: not-allowed; }

button.secondary {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 10px 18px;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
}

.error-box {
  background: #FEF2F2;
  border: 1px solid #FCA5A5;
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.success-box {
  background: #F0FDF4;
  border: 1px solid #86EFAC;
  color: var(--success);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.badge.active { background: #DCFCE7; color: var(--success); }
.badge.inactive { background: #FEE2E2; color: var(--danger); }
.badge.registered { background: #DBEAFE; color: var(--primary); }
.badge.unregistered { background: #F3F4F6; color: var(--text-muted); }

.row-actions button {
  background: transparent;
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text);
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row > div { flex: 1; }

.hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: -8px;
  margin-bottom: 16px;
}

#previewTable { margin-top: 16px; max-height: 300px; overflow: auto; display: none; }

#employeeListWrapper, #holidayListWrapper { overflow-x: auto; }

.loading { text-align: center; color: var(--text-muted); padding: 20px; font-size: 13px; }

/* ---------------- Responsive (mobile) ---------------- */
@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
  }

  .topbar .right {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }

  .topbar nav { gap: 2px; }
  .topbar nav a { padding: 6px 10px; font-size: 13px; }

  .container {
    margin: 16px auto;
    padding: 0 12px;
  }

  .card {
    padding: 16px;
    margin-bottom: 16px;
  }

  .card h2 { font-size: 16px; }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  button.primary[style*="width:auto"],
  button.secondary {
    width: 100% !important;
  }

  .login-card {
    padding: 28px 24px;
    margin: 16px;
  }
}