/* Quiet, utilitarian internal-tool styling. */
:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: #d9dce1;
  --text: #1c2128;
  --muted: #667085;
  --primary: #1f4e8c;
  --primary-hover: #173d6f;
  --danger: #b42318;
  --danger-hover: #912018;
  --ok: #067647;
  --warn: #b54708;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}
a { color: var(--primary); }
h1 { font-size: 1.4rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 0.6rem; }
h3 { font-size: 0.95rem; margin: 1rem 0 0.4rem; }
code { font-size: 0.85em; background: #eef0f3; padding: 0.05em 0.3em; border-radius: 3px; }
code.small { font-size: 0.75em; }

.container { max-width: 1100px; margin: 0 auto; padding: 1rem 1rem 3rem; }

/* Top bar */
.topbar { background: #1c2733; color: #fff; }
.topbar-inner {
  max-width: 1100px; margin: 0 auto; padding: 0.4rem 1rem;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.brand { font-weight: 700; color: #fff; text-decoration: none; }
.mainnav { display: flex; gap: 0.25rem; flex-wrap: wrap; }
.mainnav a {
  color: #cdd5df; text-decoration: none; padding: 0.35rem 0.6rem; border-radius: 4px; font-size: 0.92rem;
}
.mainnav a:hover { background: #2b3948; color: #fff; }
.mainnav a.active { background: #2b3948; color: #fff; }
.mainnav a.nav-cta { border: 1px solid #4a90d9; color: #cfe3f7; }
.topbar-user { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; font-size: 0.85rem; color: #cdd5df; }

/* Language selector */
.lang-switch { display: flex; gap: 0.25rem; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.2rem 0.5rem; border-radius: 4px; border: 1px solid #44546a;
  background: transparent; color: #cdd5df; font: inherit; font-size: 0.78rem; font-weight: 600; cursor: pointer;
}
.lang-btn:hover { color: #fff; border-color: #cdd5df; }
.lang-btn.active { background: #2b3948; color: #fff; border-color: #cdd5df; }
.flag { width: 18px; height: 11px; display: block; border: 1px solid rgba(255, 255, 255, 0.35); border-radius: 1px; }

/* Cards, layout */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; margin: 1rem 0; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 0.6rem; flex-wrap: wrap; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.75rem; margin: 1rem 0; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 0.7rem 0.9rem; display: flex; flex-direction: column; }
.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-label { font-size: 0.8rem; color: var(--muted); }
.stat-warn .stat-value { color: var(--warn); }
.stat-danger .stat-value { color: var(--danger); }

/* Tables */
.table-wrap { overflow-x: auto; }
.table-scroll { max-height: 420px; overflow-y: auto; border: 1px solid var(--border); border-radius: 6px; }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
thead th { background: #eef0f3; position: sticky; top: 0; font-weight: 600; }
tbody tr:hover { background: #f8fafc; }
.cell-message { max-width: 26rem; overflow-wrap: anywhere; }

/* Badges */
.badge {
  display: inline-block; padding: 0.1rem 0.5rem; border-radius: 10px;
  font-size: 0.75rem; font-weight: 600; white-space: nowrap;
  background: #e4e7ec; color: #364152;
}
.badge-lg { font-size: 0.9rem; padding: 0.2rem 0.7rem; }
.badge-ok, .badge-sent, .badge-delivered { background: #d1fadf; color: var(--ok); }
.badge-submitted { background: #d6e4f7; color: var(--primary); }
.badge-sending, .badge-pending { background: #fef0c7; color: var(--warn); }
.badge-failed, .badge-sent_with_errors { background: #fee4e2; color: var(--danger); }
.badge-muted { background: #e4e7ec; color: var(--muted); }

/* Forms */
label { display: block; font-weight: 600; margin: 0.6rem 0 0.2rem; font-size: 0.9rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="search"], select, textarea {
  width: 100%; padding: 0.45rem 0.6rem; border: 1px solid var(--border); border-radius: 6px;
  font: inherit; background: #fff; color: var(--text);
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus { outline: 2px solid #7aa7d9; outline-offset: 1px; }
.hint { font-size: 0.8rem; color: var(--muted); margin: 0.25rem 0 0; }
.field-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.field { flex: 1 1 220px; }
.filter-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 0.8rem 0; }
.filter-bar input[type="search"] { flex: 2 1 220px; width: auto; }
.filter-bar select { flex: 1 1 140px; width: auto; }

.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.section-head h3 { margin-bottom: 0.4rem; }

/* Compact per-row forms (user management table) */
.inline-form { display: inline-flex; align-items: center; gap: 0.35rem; flex-wrap: wrap; margin-top: 0.2rem; }
.inline-form select, .inline-form input[type="password"] { width: auto; min-width: 7.5rem; padding: 0.3rem 0.45rem; }

/* Checkbox pickers */
.check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.15rem; }
.check-list { max-height: 300px; overflow-y: auto; border: 1px solid var(--border); border-radius: 6px; padding: 0.3rem; margin-top: 0.3rem; }
.check-item { display: block; font-weight: 400; padding: 0.25rem 0.4rem; border-radius: 4px; margin: 0; }
.check-item:hover { background: #f2f4f7; }
.check-item input { margin-right: 0.45rem; }
.check-item.standalone { margin-top: 0.8rem; font-weight: 600; }
.list-filter { margin-top: 0.4rem; }

/* Buttons */
.btn {
  display: inline-block; padding: 0.5rem 1rem; border-radius: 6px; border: 1px solid transparent;
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; text-align: center;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: #f2f4f7; }
.btn-danger { background: var(--danger); color: #fff; font-size: 1.05rem; padding: 0.65rem 1.4rem; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-ghost { background: transparent; color: #cdd5df; border-color: #44546a; }
.btn-ghost:hover { color: #fff; border-color: #cdd5df; }
.btn-small { padding: 0.25rem 0.6rem; font-size: 0.8rem; }
.btn-block { width: 100%; margin-top: 1rem; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }
.form-actions { display: flex; align-items: center; gap: 1rem; margin: 1rem 0; flex-wrap: wrap; }

/* Flash + notices */
.flash { padding: 0.6rem 0.9rem; border-radius: 6px; margin: 0.8rem 0; border: 1px solid; font-size: 0.92rem; }
.flash-success { background: #ecfdf3; border-color: #a6f4c5; color: var(--ok); }
.flash-error { background: #fef3f2; border-color: #fecdca; color: var(--danger); }
.flash-info { background: #eff8ff; border-color: #b2ddff; color: var(--primary); }
.plain-list { margin: 0; padding-left: 1.1rem; }

.send-warning {
  background: #fef3f2; border: 1px solid #fecdca; color: var(--danger);
  padding: 0.8rem 1rem; border-radius: 6px; font-size: 1rem;
}
.send-confirm { border-color: #fecdca; }

.message-box {
  white-space: pre-wrap; overflow-wrap: anywhere; background: #f8fafc; border: 1px solid var(--border);
  border-radius: 6px; padding: 0.7rem 0.9rem; font-size: 1rem; margin-bottom: 0.8rem;
}
.kv-row { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 0.8rem; font-size: 0.92rem; }

/* Login */
.login-wrap { display: flex; justify-content: center; padding-top: 8vh; }
.login-card { width: 100%; max-width: 360px; }

/* Touch devices: thumb-sized targets regardless of viewport width. */
@media (pointer: coarse) {
  .btn { min-height: 44px; }
  .btn-small, .lang-btn { min-height: 36px; }
  .check-item { padding: 0.5rem 0.6rem; }
  .check-item input[type="checkbox"] { width: 1.15em; height: 1.15em; }
  .mainnav a { padding: 0.5rem 0.7rem; }
  input[type="text"], input[type="email"], input[type="password"], input[type="search"], select {
    min-height: 44px;
  }
}

/* Small screens: compact chrome, no low-value table columns, full-width
   primary actions. Tables keep their .table-wrap horizontal scroll as the
   fallback for whatever still overflows. */
@media (max-width: 640px) {
  html { font-size: 15px; }
  .container { padding: 0.75rem 0.6rem 3rem; }
  .card { padding: 0.8rem; }
  .topbar-inner { padding: 0.35rem 0.6rem; gap: 0.4rem; }
  .topbar-user { margin-left: 0; }
  .user-label { display: none; }
  .page-head { flex-direction: column; align-items: flex-start; }
  .hide-sm { display: none !important; }
  th, td { padding: 0.5rem; }
  .cell-message { max-width: 14rem; }
  .stat-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 0.5rem; }
  .filter-bar input[type="search"], .filter-bar select, .filter-bar .btn { flex: 1 1 100%; width: 100%; }
  .form-actions .btn-primary, .form-actions .btn-danger { width: 100%; }
}