:root {
  --ink: #111827;
  --ink-soft: #374151;
  --muted: #6b7280;
  --muted-2: #9ca3af;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --surface-3: #f3f4f6;
  --canvas: #f4f5f7;
  --accent: #0f766e;
  --accent-deep: #115e59;
  --accent-soft: #ccfbf1;
  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --success: #047857;
  --success-bg: #ecfdf5;
  --warning: #b45309;
  --warning-bg: #fffbeb;
  --info: #1d4ed8;
  --info-bg: #eff6ff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(17, 24, 39, 0.04);
  --shadow-md: 0 1px 3px rgba(17, 24, 39, 0.06), 0 4px 12px rgba(17, 24, 39, 0.04);
  --font: "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-display: "Sora", "Manrope", system-ui, sans-serif;
  --sidebar-width: 248px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; font-weight: 600; }
a:hover { color: var(--accent-deep); }

/* ——— Shell ——— */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 1.25rem 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: var(--surface);
  border-right: 1px solid var(--line);
  z-index: 40;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.25rem 0.5rem 1rem;
  border-bottom: 1px solid var(--line);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: -0.04em;
  color: #fff;
  background: var(--accent);
  flex-shrink: 0;
}

.brand-copy { display: grid; gap: 0.05rem; min-width: 0; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 0.98rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.brand-tag {
  font-size: 0.68rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  flex: 1;
  overflow-y: auto;
  padding: 0 0.15rem;
}

.nav-section {
  margin: 0.95rem 0.65rem 0.35rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.nav-section:first-child { margin-top: 0.1rem; }

.side-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink-soft);
  padding: 0.62rem 0.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: background 0.12s ease, color 0.12s ease;
}

.side-nav .nav-link:hover {
  background: var(--surface-3);
  color: var(--ink);
  text-decoration: none;
}

.side-nav .nav-link.is-active {
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.side-nav .nav-link.is-active:hover {
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.nav-ico {
  width: 1.2rem;
  height: 1.2rem;
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  opacity: 0.7;
}

.nav-ico svg {
  width: 1.05rem;
  height: 1.05rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.side-nav .nav-link.is-active .nav-ico { opacity: 1; }

.sidebar-footer {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.main-column {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.75rem 0.15rem;
}

.topbar .menu-toggle { margin-right: auto; }

.topbar-user {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.3rem 0.7rem 0.3rem 0.3rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.topbar-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface-3);
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

.content {
  padding: 0.5rem 1.75rem 2.75rem;
  width: 100%;
}

/* ——— Surfaces ——— */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem 1.25rem;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.panel-subtitle {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.4;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.page-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.page-head p {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  max-width: 48ch;
  line-height: 1.45;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.15rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.05rem 1.1rem;
  box-shadow: var(--shadow);
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 650;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stat-value {
  margin-top: 0.45rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.95rem;
}

.stack { display: grid; gap: 0.95rem; }

/* ——— Tables / forms ——— */
.table-wrap { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table th {
  text-align: left;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 700;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  background: transparent;
}

.table td {
  padding: 0.85rem 0.7rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.table tbody tr:hover { background: var(--surface-2); }
.table tbody tr:last-child td { border-bottom: none; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.95rem 1rem;
}

.form-group { display: grid; gap: 0.35rem; }
.form-group.full { grid-column: 1 / -1; }

label {
  font-size: 0.8rem;
  font-weight: 650;
  color: var(--ink-soft);
}

.form-control, select.form-control, textarea.form-control {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  font: inherit;
  font-weight: 500;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.form-control:hover { border-color: #9ca3af; }

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 550;
  color: var(--ink-soft);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.2rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.95rem;
}

.btn-primary, .btn-secondary, .btn-ghost, .btn-danger, .btn-success {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  font: inherit;
  font-weight: 650;
  font-size: 0.875rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--ink-soft);
}
.btn-secondary:hover {
  background: var(--surface-2);
  color: var(--ink);
  border-color: #9ca3af;
}

.btn-ghost {
  width: 100%;
  background: transparent;
  border-color: var(--line);
  color: var(--ink-soft);
}
.btn-ghost:hover {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: #fecaca;
}

.btn-danger {
  background: var(--surface);
  color: var(--danger);
  border-color: #fecaca;
}
.btn-danger:hover { background: var(--danger-bg); }

.btn-success {
  background: var(--surface);
  color: var(--success);
  border-color: #a7f3d0;
}
.btn-success:hover { background: var(--success-bg); }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge-active, .badge-paid { background: var(--success-bg); color: var(--success); }
.badge-suspended, .badge-canceled, .badge-failed { background: var(--danger-bg); color: var(--danger); }
.badge-pending, .badge-incomplete, .badge-unpaid, .badge-overdue, .badge-warning {
  background: var(--warning-bg); color: var(--warning);
}
.badge-provisioning, .badge-info, .badge-pastdue { background: var(--info-bg); color: var(--info); }
.badge-muted { background: var(--surface-3); color: var(--muted); }

.alert {
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.95rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  font-weight: 550;
  border: 1px solid transparent;
}
.alert-success { background: var(--success-bg); color: var(--success); border-color: #a7f3d0; }
.alert-warning, .alert-key { background: var(--warning-bg); color: #92400e; border-color: #fde68a; }
.alert-danger { background: var(--danger-bg); color: var(--danger); border-color: #fecaca; }
.alert-info { background: var(--info-bg); color: var(--info); border-color: #bfdbfe; }

.alert code, code {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.84em;
  background: var(--surface-3);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-weight: 500;
}

.dl-grid {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 0.45rem 0.9rem;
  margin: 0;
  font-size: 0.9rem;
}
.dl-grid dt { color: var(--muted); font-weight: 600; }
.dl-grid dd { margin: 0; font-weight: 550; }

.empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-weight: 500;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.95rem;
}

.chip {
  display: inline-flex;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 650;
  text-decoration: none;
}
.chip:hover { border-color: #9ca3af; color: var(--ink); }
.chip.is-active {
  background: var(--accent-soft);
  border-color: #99f6e4;
  color: var(--accent-deep);
}

.pager {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 550;
}

.text-danger { color: var(--danger); font-size: 0.84rem; font-weight: 600; }
.muted { color: var(--muted); }
.user-select-all { user-select: all; }

/* ——— Login ——— */
.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.login-hero {
  padding: 2.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #f0fdfa;
  border-right: 1px solid var(--line);
}

.login-hero-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
}

.login-hero-copy h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
  max-width: 12ch;
  font-weight: 650;
}

.login-hero-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
  max-width: 34ch;
  font-weight: 500;
}

.login-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.login-hero-meta span {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--ink-soft);
}

.login-panel {
  display: grid;
  place-items: center;
  padding: 2rem;
  background: var(--canvas);
}

.login-card {
  width: min(400px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.75rem 1.6rem;
  box-shadow: var(--shadow-md);
}

.login-card-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.login-card h1 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  font-weight: 650;
}

.login-card > p {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-weight: 500;
  line-height: 1.45;
}

.login-card .form-group { margin-bottom: 0.9rem; }
.login-card .btn-primary { width: 100%; margin-top: 0.35rem; padding: 0.7rem 1rem; }

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.35);
  z-index: 30;
}

@media (max-width: 1100px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: min(280px, 88vw);
    transform: translateX(-105%);
    transition: transform 0.22s var(--ease);
    box-shadow: var(--shadow-md);
  }
  .app-shell.nav-open .sidebar { transform: translateX(0); }
  .app-shell.nav-open .sidebar-backdrop { display: block; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .login-page { grid-template-columns: 1fr; }
  .login-hero { min-height: 260px; padding: 1.75rem; }
  .login-hero-copy h2 { max-width: none; font-size: 1.7rem; }
  .grid-2, .form-grid { grid-template-columns: 1fr; }
  .topbar, .content { padding-left: 1rem; padding-right: 1rem; }
}

@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr; }
  .topbar-user span:last-child { display: none; }
}