/* ── Reset & Base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f1117;
  --surface:   #1a1d27;
  --surface2:  #222637;
  --border:    #2e3348;
  --accent:    #4f8ef7;
  --accent2:   #6c63ff;
  --success:   #22c55e;
  --danger:    #ef4444;
  --warn:      #f59e0b;
  --text:      #e2e8f0;
  --text2:     #94a3b8;
  --text3:     #64748b;
  --radius:    10px;
  --shadow:    0 4px 24px rgba(0,0,0,.4);
}

html { font-size: 14px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ──────────────────────────────────────────────────────────────── */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.app-header .logo {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.5px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.app-header .subtitle { color: var(--text2); font-size: .85rem; }
.app-header .spacer { flex: 1; }
.session-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface2);
}
.session-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text3);
}
.session-badge.active .dot { background: var(--success); }
.session-badge.active { border-color: var(--success); }

.app-body {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

/* ── Cards ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}
.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}
.card-header:hover { background: var(--surface2); }
.card-title {
  font-weight: 600;
  font-size: .95rem;
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.card-title .step-num {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--surface2);
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.card-title .step-num.done {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}
.card-header .chevron {
  color: var(--text3);
  transition: transform .2s;
  font-size: 1rem;
}
.card.collapsed .chevron { transform: rotate(-90deg); }
.card-body { padding: 20px; }
.card.collapsed .card-body { display: none; }

/* ── Form Elements ───────────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.form-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.form-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.field { display: flex; flex-direction: column; gap: 5px; }
.field.span-2 { grid-column: span 2; }
.field.span-3 { grid-column: span 3; }
.field.span-full { grid-column: 1 / -1; }

label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .04em;
}
label .req { color: var(--danger); margin-left: 2px; }

input, select, textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  padding: 8px 11px;
  font-size: .9rem;
  font-family: inherit;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,142,247,.15);
}
input::placeholder { color: var(--text3); }
input[readonly], input[disabled] {
  opacity: .6;
  cursor: default;
}
select option { background: var(--surface2); }
textarea { resize: vertical; min-height: 70px; font-size: .82rem; font-family: monospace; }

.input-group {
  display: flex;
  gap: 6px;
}
.input-group input { flex: 1; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 7px;
  border: none;
  font-size: .85rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; pointer-events: none; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { opacity: .88; }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity: .88; }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: .78rem; }
.btn-lg { padding: 12px 28px; font-size: 1rem; }

.btn-submit {
  width: 100%;
  padding: 14px;
  font-size: 1.05rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-weight: 700;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
  letter-spacing: .02em;
}
.btn-submit:hover { opacity: .9; }
.btn-submit:active { transform: scale(.99); }
.btn-submit:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* ── Partner Table ───────────────────────────────────────────────────────── */
.partner-table-wrap { overflow-x: auto; margin-bottom: 14px; }
.partner-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}
.partner-table th {
  padding: 9px 10px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text3);
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}
.partner-table td {
  padding: 7px 6px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.partner-table tr:last-child td { border-bottom: none; }
.partner-table td input,
.partner-table td select {
  font-size: .82rem;
  padding: 5px 8px;
}
.partner-table .dpin-cell { min-width: 130px; }
.partner-table .name-cell { min-width: 180px; }
.partner-table .desig-cell { min-width: 160px; }
.partner-table .date-cell { min-width: 130px; }
.partner-table .num-cell { min-width: 70px; }
.partner-table .amount-cell { min-width: 100px; }

.lookup-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: .82rem;
  padding: 3px 6px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-weight: 600;
}
.lookup-btn:hover { background: rgba(79,142,247,.12); }

.partner-row-actions { display: flex; gap: 4px; align-items: center; }

/* ── Summary Stats ───────────────────────────────────────────────────────── */
.summary-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.stat {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 14px;
  text-align: center;
  min-width: 110px;
}
.stat-val { font-size: 1.3rem; font-weight: 700; color: var(--accent); }
.stat-lbl { font-size: .72rem; color: var(--text3); margin-top: 2px; text-transform: uppercase; }

/* ── Result Panel ────────────────────────────────────────────────────────── */
.result-panel {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 16px;
}
.result-panel.show { display: block; }
.result-panel.success { border-color: var(--success); }
.result-panel.error { border-color: var(--danger); }

.srn-display {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: .04em;
  margin: 8px 0;
  font-family: monospace;
}
.srn-display.success { color: var(--success); }
.srn-display.error { color: var(--danger); }

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin: 16px 0;
}
.result-item {
  background: var(--surface2);
  border-radius: 7px;
  padding: 10px 14px;
}
.result-item-label { font-size: .72rem; color: var(--text3); text-transform: uppercase; margin-bottom: 4px; }
.result-item-value { font-size: .9rem; font-weight: 600; word-break: break-all; }

.json-toggle {
  cursor: pointer;
  color: var(--accent);
  font-size: .8rem;
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.json-output {
  display: none;
  margin-top: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 14px;
  font-family: monospace;
  font-size: .78rem;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
  color: var(--text2);
  white-space: pre;
}
.json-output.show { display: block; }

/* ── Toast / Alert ───────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow);
  font-size: .85rem;
  max-width: 360px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  animation: slideIn .2s ease;
}
.toast.success { border-color: var(--success); }
.toast.error   { border-color: var(--danger); }
.toast.warn    { border-color: var(--warn); }
.toast .ti { font-size: 1.1rem; flex-shrink: 0; }
@keyframes slideIn {
  from { transform: translateX(40px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── Spinner ─────────────────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Misc ────────────────────────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}
.text-sm  { font-size: .8rem; }
.text-xs  { font-size: .72rem; }
.text-muted { color: var(--text3); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-accent  { color: var(--accent); }
.flex { display: flex; align-items: center; gap: 8px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.mt-4  { margin-top: 16px; }
.mb-4  { margin-bottom: 16px; }

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.tag-success { background: rgba(34,197,94,.15); color: var(--success); border: 1px solid rgba(34,197,94,.3); }
.tag-danger  { background: rgba(239,68,68,.15);  color: var(--danger);  border: 1px solid rgba(239,68,68,.3); }
.tag-warn    { background: rgba(245,158,11,.15); color: var(--warn);    border: 1px solid rgba(245,158,11,.3); }
.tag-info    { background: rgba(79,142,247,.15);  color: var(--accent);  border: 1px solid rgba(79,142,247,.3); }

/* ── Validation ──────────────────────────────────────────────────────────── */
.field-error { font-size: .75rem; color: var(--danger); margin-top: 3px; }
input.invalid, select.invalid { border-color: var(--danger) !important; }

/* ── Step Progress ───────────────────────────────────────────────────────── */
.step-progress {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 20px;
}
.step-item {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  font-size: .8rem;
  color: var(--text3);
}
.step-item.active { color: var(--accent); }
.step-item.done   { color: var(--success); }
.step-circle {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: .8rem;
  flex-shrink: 0;
  background: var(--surface2);
}
.step-item.active .step-circle { border-color: var(--accent); color: var(--accent); }
.step-item.done .step-circle { border-color: var(--success); background: var(--success); color: #fff; }
.step-line { flex: 1; height: 1px; background: var(--border); }
.step-item.done + .step-line { background: var(--success); }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid.cols-2, .form-grid.cols-3 { grid-template-columns: 1fr; }
  .field.span-2, .field.span-3, .field.span-full { grid-column: span 1; }
}