:root {
  --ink: #15181E;
  --ink-2: #1E232C;
  --paper: #F7F6F2;
  --paper-2: #ECEAE1;
  --card: #FFFFFF;
  --blue: #2D4B9A;
  --blue-d: #1E3470;
  --blue-l: #7E98D8;
  --blue-tint: #EEF2FA;
  --green: #2C7A5B;
  --green-l: #5FB890;
  --green-tint: #E9F5EF;
  --red: #A4392C;
  --red-tint: #FCEEEB;
  --amber: #9E6216;
  --amber-tint: #FDF4E7;
  --line: #D8D4C7;
  --line-d: #2C323D;
  --txt: #1B1F26;
  --muted: #5C5F66;
  --muted-d: #9AA1AC;
  --radius: 10px;
  --font-serif: 'IBM Plex Serif', Georgia, serif;
  --font-sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Mono', 'Consolas', monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--txt);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}

.topbar {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid var(--blue);
  padding: 14px 24px;
}

.topbar-inner {
  max-width: 1220px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  border: 2px solid var(--blue-l);
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.brand-title span {
  color: var(--blue-l);
}

.brand-sub {
  font-size: 12px;
  color: var(--muted-d);
}

.privacy-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(95, 184, 144, 0.14);
  border: 1px solid rgba(95, 184, 144, 0.45);
  color: #B4EBD1;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.step-nav {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 0 24px;
}

.step-nav-inner {
  max-width: 1220px;
  margin: 0 auto;
  display: flex;
  gap: 6px;
  overflow-x: auto;
}

.step-tab {
  appearance: none;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  padding: 14px 18px;
  min-height: 46px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s, background-color 0.15s;
}

.step-tab:hover {
  color: var(--blue-d);
  background: var(--paper);
}

.step-tab.active {
  color: var(--blue-d);
  border-bottom-color: var(--blue);
  background: var(--blue-tint);
}

.step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--paper-2);
  color: var(--txt);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.step-tab.active .step-num {
  background: var(--blue);
  color: #fff;
}

.main-wrap {
  max-width: 1220px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
  flex: 1;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.card-subtitle {
  color: var(--muted);
  font-size: 13.5px;
  margin: 4px 0 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
}

.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.field .hint {
  font-size: 12px;
  color: var(--muted);
}

.field input[type="text"],
.field input[type="number"],
.field input[type="date"],
.field select,
.field textarea {
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--txt);
  min-height: 40px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--blue);
  border-color: var(--blue);
}

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--txt);
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  padding: 9px 16px;
  min-height: 40px;
  border-radius: 7px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: background-color 0.15s, border-color 0.15s;
}

.btn:hover:not(:disabled) {
  background: var(--paper-2);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--blue);
  border-color: var(--blue-d);
  color: #fff;
}

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

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

.btn-danger {
  background: var(--red-tint);
  border-color: var(--red);
  color: var(--red);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
}

.badge-valid {
  background: var(--green-tint);
  color: var(--green);
}

.badge-error {
  background: var(--red-tint);
  color: var(--red);
}

.badge-warn {
  background: var(--amber-tint);
  color: var(--amber);
}

.badge-blue {
  background: var(--blue-tint);
  color: var(--blue-d);
}

.callout {
  border-left: 4px solid var(--blue);
  background: var(--paper-2);
  padding: 12px 16px;
  border-radius: 0 7px 7px 0;
  font-size: 13.5px;
  margin: 12px 0;
}

.callout-warn {
  border-left-color: var(--red);
  background: var(--red-tint);
  color: #6B1F16;
}

.callout-success {
  border-left-color: var(--green);
  background: var(--green-tint);
  color: #1A523B;
}

.app-footer {
  background: var(--ink);
  color: var(--muted-d);
  padding: 16px 24px;
  font-size: 12.5px;
  border-top: 1px solid var(--line-d);
  margin-top: auto;
}

.app-footer-inner {
  max-width: 1220px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.disclaimer-banner {
  color: #E2E6EE;
  font-weight: 500;
}

/* P1: Org Profile & Live Receipt Preview */
.mode-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

@media (max-width: 720px) {
  .mode-selector {
    grid-template-columns: 1fr;
  }
}

.mode-card {
  border: 2px solid var(--line);
  border-radius: 9px;
  padding: 15px 16px;
  background: var(--paper);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  transition: border-color 0.15s, background-color 0.15s;
}

.mode-card.active {
  border-color: var(--blue);
  background: var(--blue-tint);
}

.mode-card-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.mode-card-desc {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.45;
}

.upload-box {
  border: 1px dashed var(--line);
  background: var(--paper);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.upload-preview {
  max-height: 54px;
  max-width: 180px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 4px;
}

/* Paper Receipt Live Preview */
.receipt-preview-paper {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 5px solid var(--blue);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 8px 24px -14px rgba(21, 24, 30, 0.18);
  font-size: 13px;
}

.receipt-preview-paper.ack-mode {
  border-top-color: var(--green);
}

.rp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  border-bottom: 1.5px solid var(--line);
  padding-bottom: 14px;
  margin-bottom: 14px;
}

.rp-org-block {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.rp-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.rp-org-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.rp-org-meta {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.rp-statement-banner {
  background: var(--blue-tint);
  color: var(--blue-d);
  border: 1px solid #C6D4F2;
  padding: 8px 12px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.receipt-preview-paper.ack-mode .rp-statement-banner {
  background: var(--amber-tint);
  color: var(--amber);
  border-color: #EBD0A9;
}

.rp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.rp-box {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
}

.rp-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
}

.rp-val {
  font-weight: 600;
  color: var(--ink);
  margin-top: 2px;
}

.rp-amount-val {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--blue-d);
}

.rp-footer-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.rp-sig-img {
  height: 40px;
  max-width: 170px;
  object-fit: contain;
  display: block;
  margin-bottom: 4px;
}

.rp-sig-line {
  border-top: 1px solid var(--ink);
  padding-top: 4px;
  font-size: 11.5px;
  min-width: 180px;
}

.rp-disclaimer {
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-size: 11px;
  color: var(--muted);
}

/* P2: Import & Column Mapping */
.dropzone {
  border: 2px dashed var(--blue-l);
  background: var(--blue-tint);
  border-radius: 10px;
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s;
}

.dropzone:hover {
  border-color: var(--blue);
  background: #E2EAF8;
}

.dropzone-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-d);
  margin-bottom: 6px;
}

.mapping-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}

@media (max-width: 900px) {
  .mapping-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .mapping-grid {
    grid-template-columns: 1fr;
  }
}

.mapping-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
}

.mapping-card.mapped {
  border-left: 4px solid var(--green);
  background: #F9FCFA;
}

.mapping-card.missing-req {
  border-left: 4px solid var(--amber);
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

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

.data-table th,
.data-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.data-table thead th {
  background: var(--paper-2);
  color: var(--ink);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* P3: Validate & Review Screen */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

@media (max-width: 800px) {
  .kpi-strip {
    grid-template-columns: 1fr 1fr;
  }
}

.kpi-box {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
}

.kpi-box .kpi-num {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
}

.kpi-box .kpi-lbl {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.filter-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-pill {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--txt);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  min-height: 38px;
  border-radius: 999px;
  cursor: pointer;
}

.filter-pill.active {
  background: var(--blue);
  border-color: var(--blue-d);
  color: #fff;
}

.inline-input {
  width: 100%;
  min-width: 90px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  background: #fff;
  color: var(--txt);
}

.inline-input.has-err {
  border-color: var(--red);
  background: var(--red-tint);
}

.row-error-tr {
  background: #FFF9F8;
}

.row-manual-tr {
  background: #FDF9F0;
}

.err-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  font-size: 11.5px;
  color: var(--red);
  font-weight: 600;
}