:root {
  --brand: #1d4ed8;
  --brand-dark: #1e40af;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f9fafb;
  --ok: #15803d;
  --warn: #b45309;
  --bad: #b91c1c;
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.container { max-width: 960px; margin: 0 auto; padding: 0 1rem; }
main.container { padding-top: 1.5rem; padding-bottom: 3rem; }

.topbar { background: #fff; border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 3.25rem; }
.brand { font-weight: 700; color: var(--brand); text-decoration: none; font-size: 1.05rem; }
.nav-links { display: flex; gap: 1rem; align-items: center; }
.nav-links a { color: var(--ink); text-decoration: none; }
.nav-links a:hover { color: var(--brand); }
.inline-form { display: inline; }
.link-button { background: none; border: none; color: var(--muted); cursor: pointer; font: inherit; padding: 0; }
.link-button:hover { color: var(--brand); }

h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.75rem 0 .5rem; }
a { color: var(--brand); }

.card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; margin-bottom: 1rem; }

table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--line); font-size: .95rem; }
th { background: #f3f4f6; font-weight: 600; }
tr:last-child td { border-bottom: none; }

form p { margin: 0 0 .9rem; }
label { display: block; font-weight: 600; margin-bottom: .25rem; font-size: .9rem; }
input[type=text], input[type=email], input[type=number], input[type=datetime-local],
input[type=password], input[type=file], select, textarea {
  width: 100%; padding: .5rem .6rem; border: 1px solid #d1d5db; border-radius: 6px;
  font: inherit; background: #fff;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
.helptext { color: var(--muted); font-size: .8rem; display: block; margin-top: .15rem; }
.errorlist { color: var(--bad); margin: .2rem 0 0; padding-left: 1.1rem; font-size: .85rem; }
ul.errorlist { list-style: disc; }

button, .button {
  display: inline-block; background: var(--brand); color: #fff; border: none;
  padding: .55rem 1.1rem; border-radius: 6px; font: inherit; font-weight: 600;
  cursor: pointer; text-decoration: none;
}
button:hover, .button:hover { background: var(--brand-dark); }
.button-secondary { background: #fff; color: var(--ink); border: 1px solid #d1d5db; }
.button-secondary:hover { background: #f3f4f6; }
.button-danger { background: var(--bad); }
.button-danger:hover { background: #991b1b; }

.flash { padding: .6rem .9rem; border-radius: 6px; margin-bottom: 1rem; font-size: .95rem; }
.flash-success { background: #ecfdf5; color: var(--ok); border: 1px solid #a7f3d0; }
.flash-error { background: #fef2f2; color: var(--bad); border: 1px solid #fecaca; }
.flash-warning { background: #fffbeb; color: var(--warn); border: 1px solid #fde68a; }
.flash-info { background: #eff6ff; color: var(--brand); border: 1px solid #bfdbfe; }

.badge { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.badge-draft { background: #f3f4f6; color: var(--muted); }
.badge-sent { background: #eff6ff; color: var(--brand); }
.badge-viewed { background: #fdf4ff; color: #a21caf; }
.badge-approved { background: #ecfdf5; color: var(--ok); }
.badge-declined { background: #fef2f2; color: var(--bad); }
.badge-expired { background: #fffbeb; color: var(--warn); }
.badge-cancelled { background: #f3f4f6; color: var(--muted); }

.toolbar { display: flex; gap: .75rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
.toolbar form { display: flex; gap: .5rem; align-items: center; }
.toolbar input, .toolbar select { width: auto; }
.spacer { flex: 1; }

.meta { color: var(--muted); font-size: .85rem; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: .45rem 0; border-bottom: 1px dashed var(--line); font-size: .9rem; }
.timeline li:last-child { border-bottom: none; }
.timeline .when { color: var(--muted); font-size: .8rem; margin-right: .5rem; }

.terms-box { max-height: 18rem; overflow-y: auto; border: 1px solid var(--line); border-radius: 6px; padding: 1rem; background: #fff; font-size: .9rem; }
dialog.app-modal { border: none; border-radius: 10px; padding: 1.25rem; max-width: 680px; width: calc(100vw - 2rem); box-shadow: 0 20px 50px rgba(0,0,0,.25); }
dialog.app-modal::backdrop { background: rgba(17,24,39,.55); }
dialog.app-modal .terms-box { max-height: 60vh; border: none; padding: 0; margin-top: .75rem; }
dialog.modal-wide { max-width: 900px; }
#attachment-frame { width: 100%; height: 70vh; border: 1px solid var(--line); border-radius: 6px; margin-top: .75rem; }
.modal-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; border-bottom: 1px solid var(--line); padding-bottom: .75rem; }
.decide-buttons { display: flex; gap: .75rem; margin-top: 1rem; }
.checkbox-row { display: flex; gap: .5rem; align-items: flex-start; }
.checkbox-row input { width: auto; margin-top: .3rem; }
.checkbox-row label { font-weight: 500; }
ul.contact-picker { list-style: none; padding: 0; margin: 0; }
ul.contact-picker li { padding: .2rem 0; }
ul.contact-picker input { width: auto; margin-right: .5rem; }
ul.contact-picker label { display: inline; font-weight: 500; }

.login-card { max-width: 420px; margin: 4rem auto; }
.center { text-align: center; }
.divider { display: flex; align-items: center; gap: .75rem; color: var(--muted); margin: 1rem 0; font-size: .85rem; }
.divider::before, .divider::after { content: ""; flex: 1; border-top: 1px solid var(--line); }