:root {
  --crimson: #DC143C;
  --black: #0B0B0B;
  --white: #FFFFFF;

  --bg: #F7F7F8;
  --card: #FFFFFF;
  --border: #E5E7EB;

  --text: #111827;
  --muted: #6B7280;

  --success: #16A34A;
  --warning: #F59E0B;
  --info: #2563EB;

  --radius: 12px;
  --shadow: 0 6px 18px rgba(0, 0, 0, 0.06);

  /* compatibility aliases */
  --primary: var(--crimson);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Roboto, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

/* links */
a:not(.btn),
.link-primary,
.text-primary {
  color: var(--crimson) !important;
}

a:not(.btn):hover,
a:not(.btn):focus {
  color: #b01030 !important;
}

/* topbar */
.topbar,
.top-navbar {
  background: var(--black) !important;
  color: var(--white);
  min-height: 56px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar .brand,
.topbar .navbar-brand,
.top-navbar .navbar-brand {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--white) !important;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.topbar img.logo {
  height: 32px;
  width: auto;
}

.topbar .btn-outline-light,
.top-navbar .btn-outline-light {
  border-color: rgba(255, 255, 255, 0.65);
  color: var(--white);
}

.topbar .btn-outline-light:hover,
.topbar .btn-outline-light:focus,
.top-navbar .btn-outline-light:hover,
.top-navbar .btn-outline-light:focus {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.85);
}

/* sidebar */
.sidebar {
  background: var(--black);
  color: var(--white);
  width: 260px;
  min-height: 100vh;
  padding: 14px 10px;
}

.sidebar a,
.sidebar .nav-link {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--white);
  opacity: 0.9;
  text-decoration: none;
}

.sidebar a:hover,
.sidebar .nav-link:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
}

.sidebar a.active,
.sidebar .nav-link.active {
  opacity: 1;
  font-weight: 700;
  position: relative;
  background: rgba(220, 20, 60, 0.12);
  color: var(--white);
}

.sidebar a.active::before,
.sidebar .nav-link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 4px;
  border-radius: 4px;
  background: var(--crimson);
}

.brand-text {
  color: var(--white);
  font-weight: 700;
}

.sidebar .btn-outline-secondary {
  border-color: rgba(255, 255, 255, 0.65);
  color: var(--white);
}

.sidebar .btn-outline-secondary:hover,
.sidebar .btn-outline-secondary:focus {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.85);
  color: var(--white);
}

/* content */
.main {
  padding: 18px;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  margin: 4px 0 14px;
}

/* cards */
.card,
.modal-content,
.invoice-sheet,
.invoice-info-card,
.invoice-section-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card {
  padding: 16px;
}

/* buttons */
.btn {
  border-radius: 10px;
  padding: 0.6rem 1rem;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--crimson) !important;
  border-color: var(--crimson) !important;
  color: var(--white) !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  filter: brightness(0.95);
  color: var(--white) !important;
}

.btn-secondary,
.btn-outline-secondary {
  background: var(--white);
  color: var(--black);
  border-color: var(--black);
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

.btn-outline-primary {
  color: var(--crimson);
  border-color: var(--crimson);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
  background: var(--crimson) !important;
  border-color: var(--crimson) !important;
  color: var(--white) !important;
}

.btn-ghost {
  background: transparent;
  color: var(--black);
  border-color: var(--border);
}

/* forms */
.input,
.form-control,
.form-select,
select,
textarea,
input {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  width: 100%;
  color: var(--text);
}

.input:focus,
.form-control:focus,
.form-select:focus,
select:focus,
textarea:focus,
input:focus {
  outline: none;
  border-color: var(--crimson);
  box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.15) !important;
}

button:focus,
button:focus-visible,
a:focus,
a:focus-visible {
  outline: 2px solid var(--crimson);
  outline-offset: 2px;
}

/* tables */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--white);
}

.table thead th {
  background: var(--black);
  color: var(--white);
  padding: 12px;
  font-weight: 700;
  text-align: left;
  border-bottom: 0;
}

.table tbody td {
  padding: 12px;
  border-top: 1px solid var(--border);
  color: var(--text);
}

.table tbody tr:hover {
  background: #F2F2F3;
}

.property-overview-table tbody tr:hover {
  background: rgba(220, 20, 60, 0.08);
}

/* badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.badge-danger,
.badge.bg-danger {
  background: rgba(220, 20, 60, 0.12) !important;
  color: var(--crimson) !important;
}

.badge-success,
.badge.bg-success {
  background: rgba(22, 163, 74, 0.12) !important;
  color: var(--success) !important;
}

.badge-warning,
.badge.bg-warning {
  background: rgba(245, 158, 11, 0.16) !important;
  color: #92400E !important;
}

.badge-info,
.badge.bg-info {
  background: rgba(37, 99, 235, 0.12) !important;
  color: var(--info) !important;
}

.badge.bg-primary {
  background: rgba(220, 20, 60, 0.12) !important;
  color: var(--crimson) !important;
}

/* alerts */
.alert {
  border-radius: 10px;
  border: 1px solid var(--border);
}

/* footer */
.app-footer {
  background: var(--white);
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* mobile sidebar */
.sidebar-offcanvas {
  width: 280px;
}

.sidebar-offcanvas .offcanvas-header,
.sidebar-offcanvas .offcanvas-body {
  background: var(--black);
  color: var(--white);
}

@media (max-width: 767.98px) {
  .main {
    padding: 14px;
  }

  .topbar .navbar-brand,
  .top-navbar .navbar-brand {
    max-width: 55vw;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}