/* ============================================================
   PayrollBill — app.css
   Complete application stylesheet
   All CSS variables use Claude.ai design tokens where available,
   with fallbacks so it works standalone too.
   ============================================================ */

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

:root {
  /* Brand */
  --blue:        #185FA5;
  --blue-mid:    #B5D4F4;
  --blue-soft:   #E6F1FB;
  --green:       #3B6D11;
  --green-soft:  #EAF3DE;
  --amber:       #854F0B;
  --amber-soft:  #FAEEDA;
  --red:         #A32D2D;
  --red-soft:    #FCEBEB;
  --purple:      #534AB7;
  --purple-soft: #EEEDFE;

  /* Surface (light mode defaults — overridden by Claude tokens when inside claude.ai) */
  --bg-primary:   var(--color-background-primary,   #ffffff);
  --bg-secondary: var(--color-background-secondary, #F5F5F0);
  --bg-tertiary:  var(--color-background-tertiary,  #EBEBЕ6);
  --text-primary: var(--color-text-primary,         #111111);
  --text-secondary:var(--color-text-secondary,      #666666);
  --text-tertiary: var(--color-text-tertiary,       #999999);
  --border:       var(--color-border-tertiary,      #E0E0DA);

  /* Layout */
  --sidebar-w: 224px;
  --topbar-h:  54px;
  --bd:        0.5px solid var(--border);
  --rad:       12px;
  --rad-sm:    8px;
  --rad-xs:    6px;

  /* Type */
  --font-sans: var(--font-sans, system-ui, -apple-system, sans-serif);
  --font-mono: var(--font-mono, 'SF Mono', 'Fira Code', monospace);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
}

html { font-size: 14px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }

/* ─── App Shell ─────────────────────────────────────────────── */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ─── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-primary);
  border-right: var(--bd);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-logo {
  padding: 14px 16px;
  border-bottom: var(--bd);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--blue);
  border-radius: var(--rad-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  flex-shrink: 0;
}

.logo-name { font-size: 14px; font-weight: 500; line-height: 1.2; }
.logo-tag  { font-size: 10px; color: var(--text-secondary); }

.nav-group { padding: 8px 0 4px; }

.nav-label {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 6px 16px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background .1s, color .1s;
  user-select: none;
  text-decoration: none;
}

.nav-item i { font-size: 16px; flex-shrink: 0; }

.nav-item:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.nav-item.on, .nav-item.active {
  background: var(--blue-soft);
  color: var(--blue);
  border-left-color: var(--blue);
  font-weight: 500;
}

.nav-badge {
  margin-left: auto;
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  border-radius: 10px;
  padding: 1px 6px;
  line-height: 1.4;
}

.nav-badge-info { background: var(--blue); }

/* ─── Main Area ─────────────────────────────────────────────── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ─── Topbar ────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-primary);
  border-bottom: var(--bd);
  display: flex;
  align-items: center;
  padding: 0 22px;
  gap: 14px;
  flex-shrink: 0;
}

.topbar-title {
  font-size: 15px;
  font-weight: 500;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-secondary);
  border: var(--bd);
  border-radius: var(--rad-sm);
  padding: 6px 12px;
  width: 260px;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: text;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.gateway-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  background: var(--purple-soft);
  color: var(--purple);
  border-radius: var(--rad-xs);
  padding: 4px 10px;
}

.user-menu { position: relative; }

.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
}

.user-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--bg-primary);
  border: var(--bd);
  border-radius: var(--rad);
  box-shadow: var(--shadow-md);
  padding: 8px;
  min-width: 180px;
  z-index: 50;
}

.user-menu:hover .user-dropdown,
.user-dropdown.open { display: block; }

.user-name  { font-size: 13px; font-weight: 500; padding: 4px 8px; }
.user-role  { font-size: 11px; color: var(--text-secondary); padding: 0 8px 6px; }

.user-dropdown hr { border: none; border-top: var(--bd); margin: 6px 0; }

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 8px;
  border-radius: var(--rad-xs);
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
}

.dropdown-item:hover { background: var(--bg-secondary); }

/* ─── Flash Messages ────────────────────────────────────────── */
.flash {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  font-size: 13px;
  font-weight: 500;
  flex-shrink: 0;
  border-bottom: var(--bd);
}

.flash i { font-size: 16px; flex-shrink: 0; }
.flash-success { background: var(--green-soft); color: var(--green); }
.flash-error   { background: var(--red-soft);   color: var(--red); }
.flash-info    { background: var(--blue-soft);   color: var(--blue); }
.flash-warning { background: var(--amber-soft);  color: var(--amber); }

/* ─── Content Area ──────────────────────────────────────────── */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 22px;
}

/* ─── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-primary);
  border: var(--bd);
  border-radius: var(--rad);
  padding: 18px 20px;
}

.ch {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 12px;
}

.ct  { font-size: 14px; font-weight: 500; }
.cs  { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ─── Stat Grid ─────────────────────────────────────────────── */
.sg {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.sg4 { grid-template-columns: repeat(4, 1fr); }
.sg3 { grid-template-columns: repeat(3, 1fr); }
.sg2 { grid-template-columns: repeat(2, 1fr); }

.sc {
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 14px 16px;
}

.sl {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.sl i { font-size: 13px; }

.sv {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.15;
}

.sd {
  font-size: 11px;
  margin-top: 4px;
}

.up { color: var(--green); }
.dn { color: var(--red); }

/* ─── Grid Helpers ──────────────────────────────────────────── */
.g2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}

.g3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 18px;
}

/* ─── Tables ────────────────────────────────────────────────── */
table  { width: 100%; border-collapse: collapse; }

th {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: left;
  padding: 7px 12px;
  border-bottom: var(--bd);
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}

td {
  padding: 9px 12px;
  border-bottom: var(--bd);
  font-size: 13px;
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-secondary); }

tfoot td { font-weight: 500; }

.overflow { overflow-x: auto; }

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ─── Status Pills ──────────────────────────────────────────── */
.pl {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 20px;
  white-space: nowrap;
}

.pl-g { background: var(--green-soft);  color: var(--green); }
.pl-r { background: var(--red-soft);    color: var(--red); }
.pl-a { background: var(--amber-soft);  color: var(--amber); }
.pl-b { background: var(--blue-soft);   color: var(--blue); }
.pl-p { background: var(--purple-soft); color: var(--purple); }
.pl-n { background: var(--bg-secondary); color: var(--text-secondary); }

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: var(--rad-sm);
  border: var(--bd);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  transition: background .1s, border-color .1s;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

.btn:hover { background: var(--bg-secondary); }

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

.btn-p:hover { background: #0C447C; border-color: #0C447C; }

.btn-s {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: var(--rad-xs);
}

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

.btn-danger:hover { background: #F5D5D5; }

.btn:disabled {
  opacity: .6;
  cursor: not-allowed;
}

/* ─── Forms ─────────────────────────────────────────────────── */
.fg { margin-bottom: 14px; }

.fl {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 5px;
}

.fi {
  width: 100%;
  padding: 8px 11px;
  border-radius: var(--rad-sm);
  border: var(--bd);
  background: var(--bg-secondary);
  font-size: 13px;
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color .15s;
  appearance: auto;
}

.fi:focus {
  outline: none;
  border-color: var(--blue);
  background: var(--bg-primary);
}

.fi::placeholder { color: var(--text-tertiary); }

textarea.fi { resize: vertical; min-height: 72px; }

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

/* ─── Info Boxes ─────────────────────────────────────────────── */
.info-box {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border-radius: var(--rad-sm);
  font-size: 13px;
  margin-bottom: 14px;
}

.info-box i { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

.info-b { background: var(--blue-soft);   color: var(--blue); }
.info-g { background: var(--green-soft);  color: var(--green); }
.info-a { background: var(--amber-soft);  color: var(--amber); }
.info-r { background: var(--red-soft);    color: var(--red); }

/* ─── Tabs ───────────────────────────────────────────────────── */
.tabs {
  display: flex;
  border-bottom: var(--bd);
  margin-bottom: 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab {
  padding: 9px 16px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -0.5px;
  white-space: nowrap;
  transition: color .12s;
  text-decoration: none;
  user-select: none;
}

.tab:hover { color: var(--text-primary); }

.tab.on, .tab.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
  font-weight: 500;
}

/* ─── Progress Bars ─────────────────────────────────────────── */
.prog-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.prog-lbl {
  font-size: 12px;
  width: 130px;
  flex-shrink: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.prog-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
}

.prog-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--blue);
  transition: width .3s ease;
}

.prog-val {
  font-size: 12px;
  font-weight: 500;
  width: 60px;
  text-align: right;
  flex-shrink: 0;
}

/* ─── Activity Feed ─────────────────────────────────────────── */
.activity-item {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-bottom: var(--bd);
}

.activity-item:last-child { border-bottom: none; }

.adot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 5px;
  flex-shrink: 0;
}

.atxt { font-size: 13px; line-height: 1.4; }
.atm  { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }

/* ─── Section Label ─────────────────────────────────────────── */
.sec-lbl {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 10px;
}

/* ─── Empty State ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  font-size: 13px;
}

.empty-state i {
  font-size: 32px;
  display: block;
  margin-bottom: 10px;
  opacity: .4;
}

/* ─── Toggle Switch ─────────────────────────────────────────── */
.toggle-wrap {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
}

.toggle-wrap input { opacity: 0; width: 0; height: 0; }

.toggle-track {
  position: absolute;
  inset: 0;
  border-radius: 22px;
  background: var(--bg-secondary);
  border: var(--bd);
  cursor: pointer;
  transition: background .2s, border-color .2s;
}

.toggle-track::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  left: 3px;
  top: 2.5px;
  background: var(--text-secondary);
  transition: transform .2s, background .2s;
}

input:checked + .toggle-track { background: var(--green); border-color: var(--green); }
input:checked + .toggle-track::before { transform: translateX(17px); background: #fff; }

/* ─── Summary Grid (invoice builder) ───────────────────────── */
.summary-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  font-size: 13px;
  background: var(--bg-secondary);
  border-radius: var(--rad-sm);
  padding: 12px;
}

.s-label { color: var(--text-secondary); }
.s-val   { font-weight: 500; }

/* ─── Icon Button ───────────────────────────────────────────── */
.ib {
  width: 32px;
  height: 32px;
  border-radius: var(--rad-sm);
  border: var(--bd);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 17px;
  transition: background .1s;
}

.ib:hover { background: var(--bg-secondary); }

/* ─── Modal ─────────────────────────────────────────────────── */
.mo {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.mo.open { display: flex; }

.mb {
  background: var(--bg-primary);
  border-radius: var(--rad);
  border: var(--bd);
  width: 540px;
  max-width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 22px;
  box-shadow: var(--shadow-md);
}

.mh {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.mt { font-size: 15px; font-weight: 500; }

.mf {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: var(--bd);
}

/* ─── Keyframe Animations ───────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes slideUp {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── Utility Classes ───────────────────────────────────────── */
.text-muted    { color: var(--text-secondary); }
.text-sm       { font-size: 12px; }
.text-xs       { font-size: 11px; }
.font-medium   { font-weight: 500; }
.font-mono     { font-family: var(--font-mono); font-size: 12px; }
.text-blue     { color: var(--blue); }
.text-green    { color: var(--green); }
.text-red      { color: var(--red); }
.text-amber    { color: var(--amber); }
.mt-0  { margin-top: 0; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mb-0  { margin-bottom: 0; }
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-18 { margin-bottom: 18px; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.flex   { display: flex; }
.flex-1 { flex: 1; }
.items-center   { align-items: center; }
.justify-between{ justify-content: space-between; }
.flex-wrap      { flex-wrap: wrap; }
.w-full { width: 100%; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .sg4 { grid-template-columns: repeat(2, 1fr); }
  .g3  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  :root { --sidebar-w: 0px; }

  .sidebar {
    position: fixed;
    left: -240px;
    top: 0;
    bottom: 0;
    width: 240px;
    z-index: 100;
    transition: left .2s ease;
    box-shadow: var(--shadow-md);
  }

  .sidebar.open { left: 0; }

  .topbar-search { display: none; }

  .sg4, .sg3, .g3 { grid-template-columns: repeat(2, 1fr); }
  .g2 { grid-template-columns: 1fr; }
  .fr { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .sg4, .sg3, .sg2 { grid-template-columns: 1fr 1fr; }
  .content { padding: 14px; }
}

/* ── Partner Portal Overrides ── */
:root {
  --blue:      #1A6B3C;
  --blue-soft: #E8F5EE;
  --blue-mid:  #A8D5BC;
}
.logo-icon               { background: #1A6B3C; }
.btn-p                   { background: #1A6B3C; border-color: #1A6B3C; }
.btn-p:hover             { background: #134f2d; border-color: #134f2d; }
.nav-item.on,
.nav-item.active         { background: #E8F5EE; color: #1A6B3C; border-left-color: #1A6B3C; }
.tab.on, .tab.active     { color: #1A6B3C; border-bottom-color: #1A6B3C; }
.gateway-badge           { display: none; }