/* =============================================================
   Friska-Sthenic Invoice Discounting Tracker — Stylesheet
   Design: Professional finance dashboard | Friska green accent
   ============================================================= */

:root {
  --friska-green:       #2E7D32;
  --friska-green-light: #4CAF50;
  --friska-green-dark:  #1B5E20;
  --friska-green-pale:  #E8F5E9;

  --white:      #FFFFFF;
  --bg:         #F4F6F9;
  --surface:    #FFFFFF;
  --border:     #E0E0E0;
  --text-main:  #1A1A2E;
  --text-muted: #6B7280;
  --text-label: #374151;

  /* Status colours */
  --pending:   #F59E0B;
  --pending-bg:#FEF3C7;
  --approved:  #3B82F6;
  --approved-bg:#DBEAFE;
  --rejected:  #6B7280;
  --rejected-bg:#F3F4F6;
  --moreinfo:  #F97316;
  --moreinfo-bg:#FED7AA;
  --active:    #7C3AED;
  --active-bg: #EDE9FE;
  --closed:    #16A34A;
  --closed-bg: #DCFCE7;
  --overdue:   #DC2626;
  --overdue-bg:#FEE2E2;
  --early:     #16A34A;
  --early-bg:  #DCFCE7;
  --late:      #DC2626;
  --late-bg:   #FEE2E2;
  --exact:     #6B7280;
  --exact-bg:  #F3F4F6;

  --radius:    8px;
  --shadow:    0 1px 4px rgba(0,0,0,.08);
  --shadow-lg: 0 4px 16px rgba(0,0,0,.12);
  --transition:.18s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
}

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

/* ── Layout ── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: 240px;
  background: var(--friska-green-dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}
.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.sidebar-logo h1 {
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}
.sidebar-logo span {
  display: block;
  font-size: .72rem;
  color: rgba(255,255,255,.6);
  margin-top: 2px;
}
.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: rgba(255,255,255,.75);
  cursor: pointer;
  font-size: .875rem;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}
.nav-item:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
}
.nav-item.active {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-left-color: var(--friska-green-light);
}
.nav-item .nav-icon { font-size: 1.1rem; width: 20px; flex-shrink: 0; }
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .75rem;
  color: rgba(255,255,255,.45);
}

/* ── Main content ── */
.main-content {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ── */
.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title { font-size: 1rem; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

/* Role selector */
.role-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--text-muted);
}
.role-selector select {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: .82rem;
  background: var(--white);
  cursor: pointer;
}
.role-badge {
  padding: 4px 10px;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.role-badge.friska   { background: var(--friska-green-pale); color: var(--friska-green-dark); }
.role-badge.sthenic  { background: var(--approved-bg);       color: var(--approved); }
.role-badge.admin    { background: var(--overdue-bg);         color: var(--overdue); }

/* ── Page content ── */
.page-content {
  padding: 24px;
  flex: 1;
}
.page { display: none; }
.page.active { display: block; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h2 { font-size: 1.2rem; font-weight: 700; }
.page-header p  { font-size: .82rem; color: var(--text-muted); margin-top: 2px; }

/* ── Summary cards ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card-label {
  font-size: .72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 600;
  margin-bottom: 6px;
}
.card-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}
.card-value.green  { color: var(--friska-green); }
.card-value.blue   { color: var(--approved); }
.card-value.red    { color: var(--overdue); }
.card-value.purple { color: var(--active); }
.card-value.orange { color: var(--moreinfo); }
.card-sub {
  font-size: .72rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Table ── */
.table-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.table-toolbar {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.table-toolbar h3 { font-size: .9rem; font-weight: 600; }

.table-scroll { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
  white-space: nowrap;
}
thead th {
  background: #F9FAFB;
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-label);
  border-bottom: 1px solid var(--border);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #F9FAFB; }
td {
  padding: 10px 12px;
  color: var(--text-main);
  vertical-align: middle;
}
td.amount { font-weight: 600; font-variant-numeric: tabular-nums; }
td.action-cell { display: flex; gap: 6px; flex-wrap: nowrap; }

/* ── Status badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: .7rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-pending    { background: var(--pending-bg);  color: var(--pending); }
.badge-approved   { background: var(--approved-bg); color: var(--approved); }
.badge-rejected   { background: var(--rejected-bg); color: var(--rejected); }
.badge-moreinfo   { background: var(--moreinfo-bg); color: var(--moreinfo); }
.badge-active     { background: var(--active-bg);   color: var(--active); }
.badge-closed     { background: var(--closed-bg);   color: var(--closed); }
.badge-overdue    { background: var(--overdue-bg);  color: var(--overdue); }
.badge-early      { background: var(--early-bg);    color: var(--early); }
.badge-late       { background: var(--late-bg);     color: var(--late); }
.badge-exact      { background: var(--exact-bg);    color: var(--exact); }
.badge-disbursed  { background: var(--active-bg);   color: var(--active); }
.badge-notdisbursed { background: var(--exact-bg);  color: var(--exact); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: .83rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary  { background: var(--friska-green); color: #fff; }
.btn-primary:hover:not(:disabled)  { background: var(--friska-green-dark); }
.btn-secondary{ background: var(--friska-green-pale); color: var(--friska-green-dark); }
.btn-secondary:hover:not(:disabled){ background: #C8E6C9; }
.btn-danger   { background: var(--overdue-bg); color: var(--overdue); }
.btn-danger:hover:not(:disabled)   { background: #FCA5A5; }
.btn-ghost    { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover:not(:disabled)    { background: #F3F4F6; }
.btn-sm       { padding: 5px 10px; font-size: .75rem; }
.btn-icon     { padding: 6px 8px; }

/* ── Forms ── */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  max-width: 780px;
}
.form-title { font-size: 1rem; font-weight: 700; margin-bottom: 20px; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full-width { grid-column: 1 / -1; }
label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-label);
}
label .req { color: var(--overdue); margin-left: 2px; }
input[type="text"],
input[type="number"],
input[type="date"],
input[type="url"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 8px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: .85rem;
  color: var(--text-main);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--friska-green-light);
  box-shadow: 0 0 0 3px rgba(76,175,80,.15);
}
input[readonly], input[disabled] {
  background: #F9FAFB;
  color: var(--text-muted);
}
textarea { resize: vertical; min-height: 72px; }

.form-actions {
  margin-top: 24px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.form-hint {
  font-size: .72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Calc preview ── */
.calc-preview {
  background: var(--friska-green-pale);
  border: 1px solid #A5D6A7;
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 16px 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}
.calc-item label  { font-size: .7rem; color: var(--friska-green-dark); font-weight: 600; }
.calc-item .val   { font-size: .92rem; font-weight: 700; color: var(--friska-green-dark); }

/* ── Filters bar ── */
.filters-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
}
.filter-group label { font-weight: 600; white-space: nowrap; color: var(--text-label); }
.filter-group select,
.filter-group input {
  padding: 5px 8px;
  font-size: .78rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--white);
  min-width: 120px;
}
.search-input {
  padding: 6px 11px;
  font-size: .82rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  min-width: 220px;
}

/* ── Approval cards ── */
.approval-list { display: flex; flex-direction: column; gap: 16px; }
.approval-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.approval-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}
.approval-card-meta { display: flex; flex-direction: column; gap: 3px; }
.approval-card-meta h3 { font-size: .95rem; font-weight: 700; }
.approval-card-meta p  { font-size: .78rem; color: var(--text-muted); }
.approval-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
  padding: 12px;
  background: #F9FAFB;
  border-radius: 6px;
}
.info-item label { font-size: .68rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; display: block; margin-bottom: 2px; }
.info-item .val  { font-size: .88rem; font-weight: 600; }
.approval-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.approval-form-inline {
  margin-top: 14px;
  padding: 14px;
  background: var(--friska-green-pale);
  border-radius: var(--radius);
  display: none;
}
.approval-form-inline.open { display: block; }
.approval-form-inline .form-grid { grid-template-columns: 1fr 1fr; }

/* ── Modal ── */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--white);
  border-radius: var(--radius);
  width: 90%;
  max-width: 860px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp .2s ease;
}
@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
.modal-header {
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 1rem; font-weight: 700; }
.modal-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
  padding: 2px 6px;
}
.modal-body  { padding: 20px 24px; }
.modal-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.detail-section { margin-bottom: 20px; }
.detail-section h4 {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--friska-green);
  margin-bottom: 10px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--friska-green-pale);
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}
.detail-item label { font-size: .68rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; display: block; margin-bottom: 2px; }
.detail-item .val  { font-size: .88rem; color: var(--text-main); }
.detail-item .val.mono { font-family: monospace; }

/* Activity timeline */
.timeline { display: flex; flex-direction: column; gap: 10px; }
.timeline-item {
  display: flex;
  gap: 12px;
  font-size: .82rem;
}
.timeline-dot {
  width: 10px; height: 10px;
  background: var(--friska-green-light);
  border-radius: 50%;
  margin-top: 4px;
  flex-shrink: 0;
}
.timeline-content { flex: 1; }
.timeline-content strong { display: block; }
.timeline-content span   { color: var(--text-muted); font-size: .75rem; }

/* ── Toast ── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--text-main);
  color: #fff;
  padding: 11px 18px;
  border-radius: var(--radius);
  font-size: .85rem;
  box-shadow: var(--shadow-lg);
  animation: fadeInRight .25s ease;
  max-width: 360px;
  pointer-events: auto;
}
.toast.success { background: var(--friska-green-dark); }
.toast.error   { background: #B91C1C; }
.toast.warning { background: #B45309; }
@keyframes fadeInRight {
  from { transform: translateX(30px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ── Loading ── */
.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.6);
  z-index: 300;
  align-items: center;
  justify-content: center;
}
.loading-overlay.show { display: flex; }
.spinner {
  width: 44px; height: 44px;
  border: 4px solid var(--friska-green-pale);
  border-top-color: var(--friska-green);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state .icon { font-size: 2.5rem; margin-bottom: 10px; }
.empty-state p     { font-size: .88rem; }

/* ── Alert ── */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: .82rem;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.alert-info    { background: var(--approved-bg); color: #1D4ED8; }
.alert-warning { background: var(--pending-bg);  color: #92400E; }
.alert-success { background: var(--closed-bg);   color: #14532D; }
.alert-danger  { background: var(--overdue-bg);  color: #991B1B; }

/* ── Reco amount display ── */
.reco-display {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1.05rem;
  text-align: center;
}
.reco-display.early { background: var(--early-bg);  color: var(--early); }
.reco-display.late  { background: var(--late-bg);   color: var(--late); }
.reco-display.exact { background: var(--exact-bg);  color: var(--exact); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-240px);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-grid, .form-grid.cols-3 {
    grid-template-columns: 1fr;
  }
  .topbar { padding: 0 14px; }
  .page-content { padding: 14px; }
  .hamburger { display: flex !important; }
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 4px;
  color: var(--text-main);
}

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

/* ── Link in table ── */
.table-link {
  color: var(--friska-green);
  font-size: .78rem;
  white-space: nowrap;
}

/* ── Section tabs ── */
.section-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}
.section-tab {
  padding: 8px 16px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--text-muted);
  transition: all var(--transition);
}
.section-tab.active {
  color: var(--friska-green);
  border-bottom-color: var(--friska-green);
}

/* ── Overdue row highlight ── */
tr.row-overdue td { background: #FFF5F5; }
tr.row-closed  td { background: #F0FDF4; }