:root {
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;

  --radius-input: 4px;
  --radius-card: 4px;
  --radius-pill: 4px;

  --page-bg: #f5f8fc;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --border: #cfd7e3;
  --text-primary: #333333;
  --text-secondary: #4f5f75;
  --text-disabled: #5f6c7e;

  --primary: #333333;
  --primary-hover: #1f1f1f;
  --primary-active: #111111;
  --primary-soft: rgba(116, 176, 255, 0.18);

  --success: #2d7a4f;
  --warning: #8a5a00;
  --error: #b34737;
  --info: #2f74d0;
  --brand-yellow: #feba17;
  --brand-blue: #74b0ff;

  --shadow-soft: 0 8px 24px rgba(51, 51, 51, 0.08);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    linear-gradient(180deg, rgba(116, 176, 255, 0.12), transparent 220px),
    linear-gradient(90deg, rgba(254, 186, 23, 0.08), transparent 40%),
    var(--page-bg);
  color: var(--text-primary);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 12px 18px;
  background: var(--primary);
  color: white;
  cursor: pointer;
  transition: background 120ms ease, transform 120ms ease, opacity 120ms ease;
}

button:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

button:active:not(:disabled) {
  background: var(--primary-active);
  transform: translateY(0);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(31, 101, 184, 0.28);
  outline-offset: 2px;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

button.secondary {
  background: #ffffff;
  color: var(--text-primary);
  border: 1px solid rgba(116, 176, 255, 0.55);
}

button.ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(51, 51, 51, 0.12);
}

button.small {
  padding: 10px 12px;
}

.icon-button {
  width: 32px;
  height: 32px;
  padding: 0;
  gap: 0;
  flex: 0 0 auto;
}

input,
select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  padding: 12px 14px;
  background: var(--surface-elevated);
  color: var(--text-primary);
}

input:disabled,
select:disabled {
  background: #f0ece4;
  color: var(--text-disabled);
}

.app-shell {
  min-height: 100vh;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-16);
  padding: var(--space-16) var(--space-24);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(51, 51, 51, 0.08);
}

.brand-lockup,
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.brand-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.brand-subtitle {
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.nav-link.active {
  background: rgba(116, 176, 255, 0.14);
  color: var(--text-primary);
  border-color: rgba(116, 176, 255, 0.35);
}

.nav-signout {
  background: #e3ebf7;
  color: var(--text-primary);
  border: 1px solid #65758b;
  border-radius: 8px;
}

.nav-signout:hover:not(:disabled) {
  background: #c5d5e8;
}

.nav-signout:active:not(:disabled) {
  background: #aabed7;
}

.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: var(--space-24) var(--space-16);
}

.login-card {
  display: grid;
  width: min(100%, 440px);
  gap: var(--space-24);
  border-radius: 8px;
}

.login-card p {
  margin-bottom: 0;
  line-height: 1.5;
}

.login-action {
  padding: 12px 18px;
  border-radius: 8px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
}

.login-action:hover {
  background: var(--primary-hover);
}

.login-action:active {
  background: var(--primary-active);
}

.login-action:focus-visible {
  outline: 3px solid #1f65b8;
  outline-offset: 3px;
}

.shell {
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: var(--space-24) 0 var(--space-48);
}

.toast-stack {
  position: sticky;
  top: 84px;
  z-index: 18;
  display: grid;
  gap: var(--space-12);
  margin-bottom: var(--space-24);
}

.toast {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-16);
  padding: 14px 16px;
  border: 1px solid rgba(176, 61, 50, 0.28);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-soft);
}

.toast-body {
  display: grid;
  gap: 4px;
}

.toast-body p {
  margin-bottom: 0;
}

.toast.tone-error {
  background: #fff4f2;
  color: var(--error);
}

.toast-close {
  flex: 0 0 auto;
}

.page-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: var(--space-24);
  align-items: start;
  margin-bottom: var(--space-24);
}

.header-copy {
  display: grid;
  gap: var(--space-12);
}

.eyebrow {
  margin: 0 0 var(--space-8);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  color: var(--info);
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  margin-bottom: var(--space-12);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.05;
}

h2 {
  margin-bottom: 0;
  font-size: 1.4rem;
}

h3 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.lead,
.muted,
.table-subtle {
  color: var(--text-secondary);
}

.card {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(207, 215, 227, 0.95);
  border-radius: var(--radius-card);
  padding: var(--space-24);
  box-shadow: var(--shadow-soft);
}

.loading-screen {
  padding: var(--space-48);
}

.status-widget {
  display: grid;
  gap: var(--space-12);
}

.status-head,
.section-head,
.card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-16);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  background: rgba(85, 96, 104, 0.12);
  color: var(--text-primary);
}

.status-badge.success {
  background: rgba(24, 121, 78, 0.12);
  color: var(--success);
}

.status-badge.warning {
  background: rgba(180, 104, 23, 0.12);
  color: var(--warning);
}

.status-badge.error {
  background: rgba(176, 61, 50, 0.12);
  color: var(--error);
}

.status-badge.subtle {
  background: rgba(85, 96, 104, 0.08);
  color: var(--text-secondary);
}

.level-ready { background: rgba(24, 121, 78, 0.12); color: var(--success); }
.level-incomplete { background: rgba(31, 101, 184, 0.12); color: var(--info); }
.level-blocked { background: rgba(180, 104, 23, 0.12); color: var(--warning); }
.level-error { background: rgba(176, 61, 50, 0.12); color: var(--error); }

.tone-ready,
.tone-success { border-color: rgba(24, 121, 78, 0.18); }
.tone-warning { border-color: rgba(180, 104, 23, 0.22); }
.tone-error { border-color: rgba(176, 61, 50, 0.22); }
.tone-info { border-color: rgba(31, 101, 184, 0.18); }

.page-layout {
  display: grid;
  gap: var(--space-24);
}

.transfer-layout {
  grid-template-columns: minmax(0, 8fr) minmax(280px, 4fr);
}

.single {
  grid-template-columns: minmax(0, 1fr);
}

.main-column,
.side-column {
  display: grid;
  gap: var(--space-24);
  align-content: start;
}

.workflow-card {
  padding-bottom: var(--space-16);
}

.workflow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-16);
}

.workflow-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: var(--space-16);
  align-items: start;
}

.step-marker {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: rgba(85, 96, 104, 0.1);
  color: var(--text-secondary);
}

.step-done .step-marker,
.step-current .step-marker {
  background: var(--primary-soft);
  color: var(--primary);
}

.step-warning .step-marker {
  background: rgba(180, 104, 23, 0.12);
  color: var(--warning);
}

.step-loading .step-marker {
  background: rgba(31, 101, 184, 0.12);
  color: var(--info);
}

.step-locked {
  opacity: 0.56;
}

.step-card.disabled-step {
  opacity: 0.75;
}

.field,
.stack {
  display: grid;
  gap: var(--space-12);
}

.field > span,
.field-group h3,
.toggle-field > span {
  font-weight: 700;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
}

.inline-feedback {
  border-radius: 4px;
  padding: 12px 14px;
  font-weight: 600;
  border: 1px solid transparent;
}

.inline-feedback.tone-error {
  background: rgba(176, 61, 50, 0.09);
  border-color: rgba(176, 61, 50, 0.22);
  color: var(--error);
}

.inline-feedback.tone-success {
  background: rgba(24, 121, 78, 0.1);
  color: var(--success);
}

.inline-feedback.tone-warning {
  background: rgba(180, 104, 23, 0.1);
  color: var(--warning);
  border-color: rgba(180, 104, 23, 0.22);
}

.inline-feedback.tone-info {
  background: rgba(31, 101, 184, 0.1);
  color: var(--info);
}

.preview-meta,
.coach-summary,
.totals-card,
.meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-16);
}

.preview-meta div,
.coach-summary div,
.totals-card div,
.meta-list div {
  padding: var(--space-12);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(217, 208, 195, 0.8);
}

dt {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

dd {
  margin: 0;
  font-weight: 700;
}

.alert-stack {
  display: grid;
  gap: var(--space-12);
}

.alert {
  border-radius: 4px;
  padding: 14px 16px;
}

.alert p {
  margin-bottom: 0;
}

.alert.tone-warning {
  background: rgba(180, 104, 23, 0.08);
}

.alert.tone-error {
  background: rgba(176, 61, 50, 0.08);
}

.preview-table-wrap {
  overflow: auto;
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
}

.preview-table th,
.preview-table td {
  padding: 12px 10px;
  border-bottom: 1px solid rgba(217, 208, 195, 0.8);
  text-align: left;
  vertical-align: top;
}

.preview-table th {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.artifact-toolbar {
  display: flex;
  justify-content: flex-end;
  margin: var(--space-16) 0;
}

.artifact-list,
.datev-readiness {
  display: grid;
  gap: var(--space-16);
}

.artifact-card,
.readiness-item,
.info-panel {
  border: 1px solid rgba(217, 208, 195, 0.95);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.72);
  padding: var(--space-16);
}

.artifact-preview {
  margin: 0;
  padding: var(--space-16);
  border-radius: 4px;
  background: #f7f2eb;
  overflow: auto;
  font-size: 0.88rem;
  line-height: 1.45;
}

.artifact-preview code,
details pre {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
}

details pre {
  margin: var(--space-12) 0 0;
  padding: var(--space-16);
  border-radius: 4px;
  background: #f7f2eb;
  overflow: auto;
}

.readiness-item p,
.info-panel p {
  margin-bottom: 0;
}

.totals-card {
  margin-top: var(--space-16);
}

.result-card details {
  margin-top: var(--space-16);
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  padding: 12px;
  border-radius: 4px;
  background: rgba(31, 37, 41, 0.05);
  overflow: auto;
}

.recent-list {
  display: grid;
  gap: var(--space-12);
}

.recent-item,
.mini-transfer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-16);
  padding: var(--space-16);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(217, 208, 195, 0.9);
}

.recent-meta {
  display: grid;
  justify-items: end;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.86rem;
}

.compact-transfers {
  gap: var(--space-12);
}

.compact-transfers .mini-transfer {
  display: grid;
  gap: 6px;
}

.coach-list-card {
  overflow: hidden;
}

.coach-table {
  display: grid;
  gap: 0;
  overflow-x: auto;
}

.coach-table-head,
.coach-table-row {
  min-width: 860px;
  display: grid;
  grid-template-columns: minmax(200px, 1.35fr) minmax(220px, 1.3fr) 96px minmax(260px, 1.4fr) auto;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
}

.coach-table-head {
  min-height: 32px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(217, 208, 195, 0.9);
}

.coach-table-row {
  min-height: 40px;
  height: 40px;
  border-bottom: 1px solid rgba(217, 208, 195, 0.75);
}

.coach-table-row:last-child {
  border-bottom: 0;
}

.coach-row-link {
  min-width: 0;
  height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  justify-content: flex-start;
}

.coach-row-link:hover:not(:disabled),
.coach-row-link:active:not(:disabled) {
  background: transparent;
  transform: none;
}

.coach-row-primary,
.coach-row-cell {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 0.92rem;
}

.coach-row-primary {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.coach-row-subtle,
.coach-connection-cell {
  color: var(--text-secondary);
}

.coach-output-cell {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.output-chip {
  min-height: 22px;
  padding: 2px 8px;
}

.coach-table-actions {
  display: inline-flex;
  justify-content: flex-end;
  gap: 8px;
}

.coach-table-actions-head {
  text-align: right;
}

.empty-state {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  padding: var(--space-24);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(217, 208, 195, 0.95);
}

.empty-state.compact {
  padding: var(--space-16);
}

.empty-icon {
  width: 42px;
  height: 42px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: var(--primary-soft);
  color: var(--primary);
}

.input-with-action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-12);
}

.field-group {
  display: grid;
  gap: var(--space-12);
  padding-top: var(--space-12);
  border-top: 1px solid rgba(217, 208, 195, 0.8);
}

.output-editor-list {
  display: grid;
  gap: var(--space-16);
}

.output-editor {
  padding: var(--space-16);
  border: 1px solid rgba(217, 208, 195, 0.95);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.72);
}

.disabled-output {
  opacity: 0.72;
}

.transfer-output-card {
  display: grid;
  gap: var(--space-16);
}

.toggle-field {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.toggle {
  min-width: 96px;
}

.toggle.on {
  background: rgba(24, 121, 78, 0.12);
  color: var(--success);
}

.toggle.off {
  background: rgba(180, 104, 23, 0.12);
  color: var(--warning);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(31, 37, 41, 0.28);
  z-index: 39;
}

.modal-layer {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: var(--space-24);
}

.coach-modal {
  width: min(720px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: var(--space-24);
  background: var(--surface);
  overflow: auto;
  border-radius: 4px;
  box-shadow: 0 24px 60px rgba(31, 37, 41, 0.22);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
}

.modal-body {
  gap: var(--space-16);
}

.modal-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
}

@media (max-width: 960px) {
  .page-header,
  .transfer-layout,
  .preview-meta,
  .coach-summary,
  .totals-card,
  .meta-list {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(100vw - 20px, 1280px);
    padding-top: var(--space-16);
  }

  .top-nav {
    padding: var(--space-12) var(--space-16);
    flex-wrap: wrap;
  }

  .auth-nav-actions {
    flex-wrap: wrap;
    gap: var(--space-8);
  }

  .empty-state,
  .recent-item {
    flex-direction: column;
  }

  .input-with-action {
    grid-template-columns: 1fr;
  }

  .modal-layer {
    padding: 0;
  }

  .coach-modal {
    width: 100vw;
    max-height: 100vh;
    border-radius: 0;
  }
}