/* E-Sign Portal — System UI, mobile-first, accessible */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-border: #ddd;
  --color-text: #1a1a1a;
  --color-muted: #666;
  --color-accent: #1a5276;
  --color-accent-hover: #154360;
  --color-success: #196f3d;
  --color-warning: #784212;
  --color-danger: #922b21;
  --color-danger-bg: #fdedec;
  --color-warning-bg: #fdf2e9;
  --color-success-bg: #eafaf1;
  --color-info-bg: #eaf2ff;
  --radius: 6px;
  --shadow: 0 1px 4px rgba(0,0,0,0.08);
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--color-accent); }
a:hover { color: var(--color-accent-hover); }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: 2px; }

/* Layout */
.page-wrap { max-width: 900px; margin: 0 auto; padding: 0 16px; }
.page-wide { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* Nav */
.nav {
  background: var(--color-accent);
  color: #fff;
  padding: 12px 0;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.nav-brand { font-weight: 600; font-size: 1.05rem; color: #fff; text-decoration: none; }
.nav-links { display: flex; gap: 16px; margin-left: auto; flex-wrap: wrap; }
.nav-links a { color: rgba(255,255,255,0.9); text-decoration: none; font-size: 0.92rem; }
.nav-links a:hover { color: #fff; text-decoration: underline; }

/* Main content */
main { padding: 32px 0; }

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 24px;
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  border-left: 4px solid;
  font-size: 0.95rem;
}
.alert-danger  { background: var(--color-danger-bg);  border-color: var(--color-danger);  color: #5d1010; }
.alert-warning { background: var(--color-warning-bg); border-color: #e67e22; color: var(--color-warning); }
.alert-success { background: var(--color-success-bg); border-color: #27ae60; color: var(--color-success); }
.alert-info    { background: var(--color-info-bg);    border-color: var(--color-accent);  color: #154360; }

/* Forms */
.form-group { margin-bottom: 16px; }
label { display: block; font-weight: 500; margin-bottom: 6px; font-size: 0.95rem; }
input[type=text], input[type=email], input[type=password],
input[type=tel], select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
  color: var(--color-text);
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(26,82,118,0.15);
}
input[type=checkbox] { width: auto; margin-right: 8px; accent-color: var(--color-accent); }
.checkbox-group { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 12px; }
.checkbox-group label { font-weight: normal; margin-bottom: 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.btn-primary { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); color: #fff; }
.btn-secondary { background: #fff; color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { background: #f0f0f0; }
.btn-danger { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn-danger:hover { background: #7b241c; }
.btn-sm { padding: 6px 14px; font-size: 0.875rem; }
.btn-block { width: 100%; justify-content: center; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--color-border); }
th { background: #f5f5f3; font-weight: 600; color: var(--color-muted); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafafa; }

/* Status badges */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-draft       { background: #eee;    color: #555; }
.badge-sent        { background: #d6eaf8; color: #1a5276; }
.badge-viewed      { background: #d5f5e3; color: #145a32; }
.badge-completed   { background: #d5f5e3; color: #145a32; }
.badge-blocked     { background: #fadbd8; color: #922b21; }
.badge-cancelled   { background: #f5f5f0; color: #888; }
.badge-enhanced    { background: #fdebd0; color: #784212; }

/* Page headings */
h1 { font-size: 1.6rem; font-weight: 700; margin-bottom: 8px; }
h2 { font-size: 1.25rem; font-weight: 600; margin-bottom: 12px; }
h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }

.page-title { margin-bottom: 24px; }
.page-title .subtitle { color: var(--color-muted); font-size: 0.95rem; margin-top: 4px; }

/* Signer-specific */
.sign-wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 16px;
}
.sign-header {
  text-align: center;
  padding: 24px 0 32px;
}
.sign-brand {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.disclosure-box {
  background: #f7f7f5;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  font-size: 0.875rem;
  line-height: 1.7;
  white-space: pre-wrap;
  max-height: 360px;
  overflow-y: auto;
  margin-bottom: 20px;
  color: #333;
}
.intent-box {
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
  background: var(--color-info-bg);
}

/* Helpers */
.mt-4  { margin-top:   16px; }
.mt-8  { margin-top:   32px; }
.mb-4  { margin-bottom: 16px; }
.mb-8  { margin-bottom: 32px; }
.text-muted { color: var(--color-muted); font-size: 0.9rem; }
.text-sm    { font-size: 0.875rem; }
.text-center { text-align: center; }
.flex { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.spacer { flex: 1; }
.monospace { font-family: 'Courier New', Courier, monospace; font-size: 0.85rem; word-break: break-all; }

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  margin-top: 48px;
  color: var(--color-muted);
  font-size: 0.8rem;
  text-align: center;
}

/* Responsive */
@media (max-width: 600px) {
  .nav-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .nav-links { margin-left: 0; }
  h1 { font-size: 1.35rem; }
  .card { padding: 16px; }
  .btn { padding: 9px 16px; }
}

/* Print */
@media print {
  .nav, .footer, .btn { display: none !important; }
  .card { box-shadow: none; border: 1px solid #ccc; }
}