:root {
  --bg: #f4f6fb;
  --card-bg: #ffffff;
  --text: #1a1d29;
  --text-muted: #6b7280;
  --border: #e3e6ee;
  --primary: #2154cc;
  --primary-hover: #1a44a8;
  --success: #16a34a;
  --success-bg: #eafaf0;
  --error: #dc2626;
  --error-bg: #fdecec;
  --warning: #b45309;
  --warning-bg: #fff7e6;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

#progress-bar-outer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: transparent;
  z-index: 100;
}

#progress-bar-inner {
  height: 100%;
  width: 0%;
  background: var(--primary);
  transition: width 0.25s ease;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

header.page-header {
  margin-bottom: 24px;
}

header.page-header h1 {
  font-size: 22px;
  margin: 0 0 4px;
}

header.page-header p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 16px;
  transition: opacity 0.2s ease;
}

.card.disabled-section {
  opacity: 0.45;
  pointer-events: none;
}

.card h2 {
  font-size: 16px;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
  font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.pw-row {
  position: relative;
}

.pw-row input {
  padding-right: 40px;
}

.pw-toggle {
  position: absolute;
  right: 4px;
  top: 4px;
  bottom: 4px;
  width: 32px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 13px;
}

.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

button {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  border: 1px solid transparent;
}

button.btn-primary {
  background: var(--primary);
  color: #fff;
}

button.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

button.btn-secondary {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}

button.btn-secondary:hover:not(:disabled) {
  background: #f4f6fb;
}

button.btn-success {
  background: var(--success);
  color: #fff;
}

button.btn-danger {
  background: #fff;
  border-color: var(--error);
  color: var(--error);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.inline-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.datetime-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.datetime-row input {
  flex: 1;
}

.saved-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--success);
  font-weight: 600;
}

.banner {
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  margin-top: 10px;
  display: none;
}

.banner.show {
  display: block;
}

.banner.success {
  background: var(--success-bg);
  color: var(--success);
}

.banner.error {
  background: var(--error-bg);
  color: var(--error);
}

.banner.warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.confirm-box {
  margin-top: 12px;
  display: none;
}

.confirm-box.show {
  display: block;
}

.confirm-box p {
  font-size: 13px;
  margin: 0 0 8px;
  font-weight: 600;
}

.radio-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 8px;
}

.radio-line input[type="text"] {
  flex: 1;
}

.column-note {
  background: #eef2ff;
  border: 1px solid #dbe3ff;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 14px;
}

.column-note code {
  background: #dbe3ff;
  padding: 1px 5px;
  border-radius: 4px;
}

.file-input-wrap {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
}

.file-input-wrap:hover {
  border-color: var(--primary);
}

.table-summary {
  display: flex;
  gap: 16px;
  font-size: 13px;
  margin: 12px 0;
  flex-wrap: wrap;
}

.table-summary span {
  font-weight: 600;
}

.table-summary .ok-count {
  color: var(--success);
}

.table-summary .bad-count {
  color: var(--error);
}

.table-scroll {
  max-height: 420px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table.recipients {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

table.recipients thead th {
  position: sticky;
  top: 0;
  background: #f8f9fc;
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

table.recipients tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.recipients tbody tr.row-invalid {
  background: var(--error-bg);
}

table.recipients tbody tr.row-sent-ok {
  background: var(--success-bg);
}

table.recipients tbody tr.row-sent-fail {
  background: var(--error-bg);
}

.status-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: #eef0f5;
  color: var(--text-muted);
}

.status-pill.pending {
  background: #eef0f5;
  color: var(--text-muted);
}

.status-pill.ok {
  background: var(--success-bg);
  color: var(--success);
}

.status-pill.fail {
  background: var(--error-bg);
  color: var(--error);
}

.status-pill.skip {
  background: var(--warning-bg);
  color: var(--warning);
}

.send-summary {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  display: none;
}

.send-summary.show {
  display: block;
}

.send-summary.ok {
  background: var(--success-bg);
  color: var(--success);
}

.send-summary.partial {
  background: var(--warning-bg);
  color: var(--warning);
}

footer.security-note {
  margin-top: 24px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}