/* bwwsms frontend — hand-written, no build step. Pragmatic admin UI.
   Keep additions small; the whole file is meant to stay readable end-
   to-end. */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font: 14px/1.45 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: #1a1a1a;
  background: #f5f6f8;
}

a { color: #0b5bd3; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Top bar / nav ───────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.6rem 1rem;
  background: #1f2937;
  color: #fff;
  border-bottom: 1px solid #111827;
}
.topbar a { color: #fff; }
.topbar .brand { font-weight: 700; font-size: 1.1rem; }
.topbar .brand a { color: #fff; }
.topbar .nav { display: flex; gap: 0.85rem; flex: 1 1 auto; }
.topbar .nav span { display: inline-flex; gap: 0.85rem; }
.topbar .session { display: flex; gap: 0.85rem; align-items: center; }
.topbar .session .balance { background: #111827; padding: 0.2rem 0.5rem; border-radius: 3px; }

/* ─── Main layout ─────────────────────────────────────────────── */
.main { padding: 1rem; max-width: 1280px; margin: 0 auto; }

h1 { font-size: 1.4rem; margin: 0.5rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.25rem 0 0.5rem; }

/* ─── Forms ───────────────────────────────────────────────────── */
.form-row { margin-bottom: 0.75rem; display: flex; flex-direction: column; gap: 0.25rem; }
.form-row label { font-weight: 600; }
.form-row input[type=text],
.form-row input[type=password],
.form-row input[type=number],
.form-row input[type=date],
.form-row input[type=file],
.form-row select,
.form-row textarea {
  padding: 0.45rem 0.55rem;
  border: 1px solid #cbd2d9;
  border-radius: 3px;
  font: inherit;
  background: #fff;
  width: 100%;
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-row .hint { color: #6b7280; font-size: 0.85em; }

.form-inline { display: flex; gap: 0.5rem; align-items: flex-end; flex-wrap: wrap; margin-bottom: 1rem; }
.form-inline label { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.85em; }
.form-inline label span { color: #6b7280; }

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
  padding: 0.45rem 0.8rem;
  border: 1px solid #cbd2d9;
  background: #fff;
  border-radius: 3px;
  cursor: pointer;
  font: inherit;
}
.btn:hover { background: #f3f4f6; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: #0b5bd3; color: #fff; border-color: #0b5bd3; }
.btn-primary:hover { background: #0a4ca8; }
.btn-danger { background: #b91c1c; color: #fff; border-color: #b91c1c; }
.btn-danger:hover { background: #8f1414; }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.9em; }

/* ─── Tables ──────────────────────────────────────────────────── */
.table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid #e5e7eb;
}
.table th, .table td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
  vertical-align: top;
  font-size: 0.92em;
}
.table th { background: #f9fafb; font-weight: 600; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #f9fafb; }
.table .muted { color: #6b7280; }

.pagination { display: flex; gap: 0.5rem; align-items: center; margin-top: 0.75rem; }

/* ─── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 10px;
  font-size: 0.8em;
  border: 1px solid transparent;
}
.badge-type-smpp { background: #e0e7ff; color: #1e40af; border-color: #c7d2fe; }
.badge-type-http { background: #fef3c7; color: #92400e; border-color: #fde68a; }
.badge-active-yes { background: #dcfce7; color: #14532d; border-color: #bbf7d0; }
.badge-active-no { background: #fee2e2; color: #7f1d1d; border-color: #fecaca; }

.badge-status-PENDING { background: #e0e7ff; color: #1e40af; }
.badge-status-QUEUED { background: #fef3c7; color: #92400e; }
.badge-status-STARTED { background: #dbeafe; color: #1e3a8a; }
.badge-status-COMPLETED { background: #dcfce7; color: #14532d; }
.badge-status-FAILED { background: #fee2e2; color: #7f1d1d; }
.badge-status-CANCELED { background: #e5e7eb; color: #1f2937; }
.badge-status-SENT { background: #dbeafe; color: #1e3a8a; }
.badge-status-DELIVERED { background: #dcfce7; color: #14532d; }
.badge-status-UNDELIVERED { background: #fee2e2; color: #7f1d1d; }

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 4px;
  background: #9ca3af;
}
.dot-connected { background: #22c55e; }
.dot-disconnected { background: #ef4444; }
.dot-unknown { background: #9ca3af; }

/* ─── Cards / panels ──────────────────────────────────────────── */
.panel {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 0.75rem; }
.kv .k { color: #6b7280; }
.kv .v { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; word-break: break-all; }

/* ─── Login ───────────────────────────────────────────────────── */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1f2937;
  color: #1a1a1a;
}
.login-card {
  background: #fff;
  padding: 2rem;
  border-radius: 6px;
  width: 320px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
}
.login-card h1 { margin: 0 0 0.25rem; }
.login-card .login-sub { color: #6b7280; margin: 0 0 1rem; }
.login-card label { display: block; margin-bottom: 0.75rem; }
.login-card label span { display: block; margin-bottom: 0.2rem; font-weight: 600; }
.login-card input { width: 100%; padding: 0.5rem; border: 1px solid #cbd2d9; border-radius: 3px; }
.login-card button { width: 100%; margin-top: 0.25rem; }

.error-banner {
  padding: 0.5rem 0.75rem;
  background: #fee2e2;
  border: 1px solid #fecaca;
  color: #7f1d1d;
  border-radius: 3px;
  margin-bottom: 0.75rem;
}

.info-banner {
  padding: 0.5rem 0.75rem;
  background: #dbeafe;
  border: 1px solid #bfdbfe;
  color: #1e3a8a;
  border-radius: 3px;
  margin-bottom: 0.75rem;
}

/* ─── Modal ───────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: #fff;
  padding: 1rem 1.25rem;
  border-radius: 6px;
  min-width: 360px;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
}
.modal h2 { margin-top: 0; }
.modal .actions { display: flex; gap: 0.5rem; justify-content: flex-end; margin-top: 1rem; }

/* ─── Utility ─────────────────────────────────────────────────── */
.row { display: flex; gap: 1rem; align-items: flex-start; flex-wrap: wrap; }
.row > * { flex: 1 1 auto; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: #6b7280; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.feedback-ok { outline: 2px solid #22c55e; }
.feedback-err { outline: 2px solid #ef4444; }