:root {
  --primary: #14304D;
  --primary-dark: #0E2238;
  --yellow: #FEDC43;
  --yellow-dark: #f5c815;
  --muted: #43474E;
  --border: #e5e5e5;
  --bg: #f7f7f7;
  --text: #2b2e33;
  --danger: #c0392b;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  color: var(--text);
  background: #fff;
}

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

/* Top nav */
nav.topnav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--primary);
  padding: 0 1rem;
  height: 52px;
}

nav.topnav .brand-logo {
  height: 46px;
  width: auto;
  max-width: 160px;
  border-radius: 3px;
  background: #fff;
  padding: 2px 6px;
  object-fit: contain;
  display: block;
}

nav.topnav .brand-plus {
  background: var(--yellow);
  color: var(--text);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 1;
  border-radius: 3px;
  flex-shrink: 0;
}
nav.topnav .brand-plus:hover { background: var(--yellow-dark); text-decoration: none; }

nav.topnav a.navlink {
  color: #fff;
  font-weight: 500;
  padding: 0.4rem 0;
}
nav.topnav a.navlink:hover { text-decoration: underline; }
nav.topnav a.navlink.active { text-decoration: underline; text-decoration-thickness: 2px; }

nav.topnav .nav-spacer { margin-left: auto; }

nav.topnav .user-menu {
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
nav.topnav form.logout-form { margin: 0; }
nav.topnav button.link-btn {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font: inherit;
  padding: 0;
}
nav.topnav button.link-btn:hover { text-decoration: underline; }

main.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* Page header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}
.page-header h1 { font-size: 1.6rem; font-weight: 600; margin: 0; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; border-color: #ccc; }

.btn-primary {
  background: var(--yellow);
  border-color: var(--yellow);
  color: #3a2f00;
}
.btn-primary:hover { background: var(--yellow-dark); border-color: var(--yellow-dark); }

.btn-link {
  border: none;
  background: none;
  color: var(--primary);
  padding: 0;
  font-weight: 600;
}
.btn-link:hover { text-decoration: underline; }

/* Alert / nudge box */
.alert {
  background: #fff9e0;
  border: 1px solid #f5e4a3;
  border-radius: 4px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  color: #5c4a00;
}
.alert a { font-weight: 600; }
.alert.alert-error { background: #fdecea; border-color: #f3b7b0; color: var(--danger); }

/* Forms: label-left / input-right rows */
.form-section {
  margin-bottom: 1.5rem;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.25rem 1.5rem;
}
.form-row {
  display: grid;
  grid-template-columns: 190px minmax(0, 420px);
  align-items: center;
  gap: 0.5rem 1.25rem;
  padding: 0.75rem 0;
}
.form-row:not(:last-child) { border-bottom: 1px solid #ececec; }
.form-row > label {
  text-align: right;
  color: var(--muted);
  font-size: 0.9rem;
}
.form-row .field-help { grid-column: 2; font-size: 0.8rem; color: #888; margin-top: 0.35rem; }
.form-row .errorlist { grid-column: 2; color: var(--danger); font-size: 0.85rem; margin: 0.35rem 0 0; padding: 0; list-style: none; }
.form-row:has(textarea) { grid-template-columns: 190px minmax(0, 1fr); }

input[type=text], input[type=email], input[type=number], input[type=date],
input[type=password], select {
  width: 100%;
  padding: 0.5rem 0.7rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font: inherit;
  font-size: 0.95rem;
  background: #fff;
}
textarea {
  width: 100%;
  padding: 0.5rem 0.7rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font: inherit;
  font-size: 0.95rem;
  resize: vertical;
  min-height: 4.5em;
  background: #fff;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(20, 48, 77, 0.12);
}
input[type=checkbox] { width: auto; }

.form-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

/* Tables */
table.list-table {
  width: 100%;
  border-collapse: collapse;
}
table.list-table th {
  text-align: left;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 2px solid var(--border);
  padding: 0.5rem 0.6rem;
}
table.list-table td {
  padding: 0.7rem 0.6rem;
  border-bottom: 1px solid var(--border);
}
table.list-table tr:hover td { background: var(--bg); }

.empty-state {
  padding: 2rem 0;
  color: var(--muted);
  text-align: center;
}

/* Status badges */
.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  font-size: 0.78rem;
  font-weight: 600;
}
.badge-draft { background: #eee; color: #555; }
.badge-issued { background: #dbe7fc; color: var(--primary-dark); }
.badge-sent { background: #e7e0fa; color: #5b3ea8; }
.badge-paid { background: #d9f2d3; color: #1e6b0e; }
.badge-cancelled { background: #f1f1f1; color: #888; text-decoration: line-through; }
.badge-overdue { background: #fdecea; color: var(--danger); margin-left: 0.4rem; }

/* Invoice detail action bar */
.action-bar {
  display: flex;
  gap: 1.75rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.action-bar form { margin: 0; }
.action-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
}
.action-item:hover { text-decoration: none; opacity: 0.8; }
.action-item svg { width: 22px; height: 22px; stroke: var(--primary); fill: none; }
.action-item-danger, .action-item-danger svg { color: var(--danger); stroke: var(--danger); }

/* Invoice detail summary */
.invoice-parties {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.5rem;
}
.invoice-parties .party { font-size: 0.95rem; }
.invoice-parties .party strong { display: block; margin-bottom: 0.2rem; }
.invoice-meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 1rem; }

.totals-box {
  text-align: right;
  margin-top: 1rem;
}
.totals-box .grand { font-size: 1.3rem; font-weight: 700; }

/* Login card */
.login-wrap {
  max-width: 360px;
  margin: 4rem auto;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.login-wrap h1 { text-align: center; font-size: 1.4rem; margin-top: 0; }
.login-wrap .form-row { grid-template-columns: 1fr; }
.login-wrap .form-row > label { text-align: left; }
.login-wrap .btn-primary { width: 100%; text-align: center; }