:root {
  --bg: #fafaf7;
  --card: #fff;
  --ink: #1a1a1a;
  --muted: #6a6a6a;
  --border: #e5e3dc;
  --accent: #14532d;
  --accent-ink: #fff;
  --warn: #b45309;
  --ok: #15803d;
  --danger: #b91c1c;
  --radius: 6px;
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
}

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 600; font-size: 16px; letter-spacing: -0.2px; }
.topbar .brand span { color: var(--muted); font-weight: 400; margin-left: 6px; }
.topbar nav a {
  margin-left: 18px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}
.topbar nav a:hover { color: var(--accent); }
.topbar nav a.muted { color: var(--muted); font-weight: 400; }

/* Layout */
.wrap { max-width: 1000px; margin: 0 auto; padding: 30px 24px 80px; }
.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
}
.page-head h1 { margin: 0; font-size: 22px; font-weight: 600; }
h1 { font-weight: 600; }
h2 { font-size: 18px; margin: 0 0 16px 0; }
h3 { margin: 0 0 10px 0; font-size: 15px; }
section { margin-bottom: 30px; }

/* Card */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.entity-list { display: grid; gap: 16px; }

/* Forms */
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.row > :only-child { grid-column: 1 / -1; }
label {
  display: block;
  font-weight: 500;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 13px;
}
input, textarea, select {
  width: 100%;
  padding: 8px 10px;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}
fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 16px;
}
legend { padding: 0 6px; font-weight: 500; color: var(--muted); font-size: 13px; }
.mode-toggle { margin-bottom: 14px; display: flex; gap: 20px; }
.mode-toggle label { margin: 0; color: var(--ink); font-weight: 500; }
.mode-toggle input { width: auto; margin-right: 6px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  line-height: 1.4;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.12); }
.btn-ghost { background: #fff; border-color: var(--border); color: var(--ink); }
.btn-ghost:hover { background: var(--bg); }
.btn-ok { background: var(--ok); color: #fff; }
.btn-link {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 16px;
  padding: 0 6px;
}
.btn-link-danger {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  padding: 0;
  font: inherit;
  text-decoration: underline;
}
.actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* Data table */
table.data {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
table.data th {
  text-align: left;
  padding: 12px 14px;
  background: #f5f3ec;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  font-weight: 500;
}
table.data td {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
}
table.data td.r, table.data th.r { text-align: right; }
table.data tfoot td { border-top: 1px solid var(--border); font-size: 14px; }
table.data a { color: var(--accent); font-weight: 500; text-decoration: none; }
table.data a:hover { text-decoration: underline; }
table.data .empty { text-align: center; color: var(--muted); padding: 30px; }

/* Line items in the new-invoice form */
table.line-items { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
table.line-items th {
  text-align: left;
  padding: 6px 4px;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
table.line-items td { padding: 4px; }
table.line-items input, table.line-items textarea { margin-top: 0; }

/* Status badges */
.status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.status-draft { background: #f0ede3; color: var(--muted); }
.status-sent  { background: #fff6dd; color: var(--warn); }
.status-paid  { background: #e6f4ea; color: var(--ok); }
.status-void  { background: #f5e5e5; color: var(--danger); }
.status-overdue { background: #fbe7e6; color: var(--danger); }

/* Flash */
.flash {
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-weight: 500;
}
.flash-ok { background: #e6f4ea; color: var(--ok); }
.flash-error { background: #fbe7e6; color: var(--danger); }

.muted { color: var(--muted); }

/* SMTP test form */
.smtp-test {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  margin-top: 14px;
  flex-wrap: wrap;
}
.smtp-test label { flex: 1 1 280px; margin-bottom: 0; }

/* Login screen */
.login-body {
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: var(--font);
  margin: 0;
}
.login-card {
  background: #fff;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 360px;
  max-width: calc(100% - 32px);
}
.login-card h1 { margin: 0 0 20px 0; font-size: 20px; }
.login-card button {
  width: 100%;
  margin-top: 10px;
  padding: 10px;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: var(--radius);
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
}