/* ============================================================
   PayrollPro — style.css
   Dark, industrial-chic theme
   Font: Outfit (UI) + Space Mono (numbers/IDs)
   ============================================================ */

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

:root {
  --bg:          #0d0d0f;
  --surface:     #16161a;
  --surface-2:   #1e1e24;
  --border:      #2a2a35;
  --border-soft: #222228;

  --text:        #e8e8f0;
  --text-muted:  #6b6b80;
  --text-dim:    #3d3d50;

  --cyan:        #00e5ff;
  --cyan-dim:    rgba(0,229,255,.12);
  --green:       #00e676;
  --green-dim:   rgba(0,230,118,.12);
  --amber:       #ffab40;
  --amber-dim:   rgba(255,171,64,.12);
  --pink:        #f06292;
  --pink-dim:    rgba(240,98,146,.12);
  --red:         #ff5252;
  --red-dim:     rgba(255,82,82,.12);

  --sidebar-w:   220px;
  --radius:      10px;
  --radius-sm:   6px;
  --shadow:      0 4px 32px rgba(0,0,0,.5);
  --transition:  .2s cubic-bezier(.4,0,.2,1);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* subtle dot-grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: .35;
  pointer-events: none;
  z-index: 0;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem .75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.brand-icon {
  font-size: 1.5rem;
  color: var(--cyan);
  line-height: 1;
}
.brand-name {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text);
}

.nav-links { list-style: none; display: flex; flex-direction: column; gap: .25rem; }

.nav-item {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .65rem .85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
  user-select: none;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active {
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid rgba(0,229,255,.2);
}
.nav-icon { font-size: 1rem; }

.sidebar-footer { margin-top: auto; }
.storage-badge {
  font-family: 'Space Mono', monospace;
  font-size: .7rem;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .4rem .75rem;
  text-align: center;
}

/* ── Main Content ───────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 2.5rem 2rem 4rem;
  position: relative;
  z-index: 1;
  max-width: 1200px;
}

/* ── Sections ───────────────────────────────────────────────── */
.section { display: none; }
.section.active { display: block; animation: fadeUp .3s ease; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page-header { margin-bottom: 2rem; }
.page-title {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}
.page-sub { color: var(--text-muted); font-size: .9rem; margin-top: .25rem; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.mt-lg { margin-top: 2rem; }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: .9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ── Stats Grid ─────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--cyan);
}
.stat-card.accent-green::before { background: var(--green); }
.stat-card.accent-amber::before { background: var(--amber); }
.stat-card.accent-pink::before  { background: var(--pink); }
.stat-card:hover { transform: translateY(-2px); border-color: var(--border-soft); }

.stat-label {
  font-size: .78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: .6rem;
}
.stat-value {
  font-family: 'Space Mono', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cyan);
}
.accent-green .stat-value { color: var(--green); }
.accent-amber .stat-value { color: var(--amber); }
.accent-pink  .stat-value { color: var(--pink); }

.stat-bar {
  margin-top: .75rem;
  height: 3px;
  background: var(--surface-2);
  border-radius: 2px;
  overflow: hidden;
}
.stat-bar-fill {
  height: 100%;
  background: var(--cyan);
  border-radius: 2px;
  transition: width .6s ease;
  width: 0%;
}

/* ── Recent List ────────────────────────────────────────────── */
.recent-list { padding: .5rem 0; }
.recent-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .75rem 1.25rem;
  border-bottom: 1px solid var(--border-soft);
  font-size: .88rem;
  transition: background var(--transition);
}
.recent-row:last-child { border-bottom: none; }
.recent-row:hover { background: var(--surface-2); }
.recent-name { font-weight: 500; }
.recent-id {
  font-family: 'Space Mono', monospace;
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.recent-net {
  font-family: 'Space Mono', monospace;
  font-size: .88rem;
  color: var(--green);
  font-weight: 700;
}

/* ── Form ───────────────────────────────────────────────────── */
.form-card { padding: 1.75rem; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.form-group { display: flex; flex-direction: column; gap: .45rem; }
.preview-group { grid-column: 1 / -1; }

.form-label {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
}
.req { color: var(--red); }

.form-input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-size: .92rem;
  padding: .65rem .9rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}
.form-input::placeholder { color: var(--text-dim); }
.form-input.error { border-color: var(--red); box-shadow: 0 0 0 3px var(--red-dim); }

.form-hint { font-size: .75rem; color: var(--text-muted); min-height: 1rem; }
.form-hint.error { color: var(--red); }

/* Pay Preview box */
.pay-preview {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
}
.preview-row {
  display: contents;
}
.preview-row span:first-child {
  font-size: .8rem;
  color: var(--text-muted);
  align-self: center;
}
.preview-row span:last-child {
  font-family: 'Space Mono', monospace;
  font-size: .82rem;
  color: var(--text);
  text-align: right;
}
.preview-row.deduction span:last-child { color: var(--red); }
.preview-row.net span { font-weight: 700 !important; color: var(--green) !important; font-size: .9rem !important; }

.form-actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.form-msg { min-height: 1.5rem; margin-top: .75rem; font-size: .85rem; }
.form-msg.success { color: var(--green); }
.form-msg.error   { color: var(--red); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .6rem 1.2rem;
  border-radius: var(--radius-sm);
  border: none;
  font-family: 'Outfit', sans-serif;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: .02em;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--cyan);
  color: #000;
}
.btn-primary:hover { background: #33eaff; box-shadow: 0 0 16px var(--cyan-dim); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }

.btn-danger {
  background: var(--red);
  color: #fff;
}
.btn-danger:hover { background: #ff6e6e; box-shadow: 0 0 14px var(--red-dim); }

.btn-danger-ghost {
  background: transparent;
  color: var(--red);
  border: 1px solid rgba(255,82,82,.3);
  font-family: 'Outfit', sans-serif;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  padding: .6rem 1.2rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.btn-danger-ghost:hover { background: var(--red-dim); }

.btn-icon {
  padding: .35rem .55rem;
  font-size: .8rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
}
.btn-icon-slip {
  background: var(--cyan-dim);
  color: var(--cyan);
  border-color: rgba(0,229,255,.25);
}
.btn-icon-slip:hover { background: rgba(0,229,255,.2); }
.btn-icon-del {
  background: var(--red-dim);
  color: var(--red);
  border-color: rgba(255,82,82,.25);
}
.btn-icon-del:hover { background: rgba(255,82,82,.2); }

/* ── Table ──────────────────────────────────────────────────── */
.table-toolbar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: center;
}
.search-input { flex: 1; max-width: 360px; }

.table-card { overflow: hidden; }
.table-wrapper { overflow-x: auto; }

.emp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .86rem;
}
.emp-table thead tr {
  background: var(--surface-2);
  border-bottom: 2px solid var(--border);
}
.emp-table th {
  padding: .9rem 1rem;
  text-align: left;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  white-space: nowrap;
}
.emp-table td {
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: middle;
}
.emp-table tbody tr {
  transition: background var(--transition);
}
.emp-table tbody tr:hover { background: var(--surface-2); }

.td-id {
  font-family: 'Space Mono', monospace;
  font-size: .78rem;
  color: var(--cyan);
}
.td-name { font-weight: 500; }
.td-dept {
  font-size: .78rem;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: .15rem .5rem !important;
  border-radius: 20px;
  display: inline-block;
}
.td-num {
  font-family: 'Space Mono', monospace;
  font-size: .82rem;
}
.td-net { color: var(--green); font-weight: 700; }
.td-tax { color: var(--amber); }
.actions-cell { display: flex; gap: .4rem; }
.empty-cell {
  text-align: center;
  padding: 3rem !important;
  color: var(--text-muted);
  font-style: italic;
}

/* ── Modal ──────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }

.modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -48%) scale(.96);
  z-index: 201;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: min(480px, 95vw);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: all .25s cubic-bezier(.4,0,.2,1);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}
.modal.open {
  opacity: 1;
  pointer-events: all;
  transform: translate(-50%, -50%) scale(1);
}
.modal-sm { width: min(340px, 95vw); }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.modal-brand {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: .2rem;
}
.modal-title {
  font-family: 'Space Mono', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--text);
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: .2rem .4rem;
  border-radius: 4px;
  transition: color var(--transition);
}
.modal-close:hover { color: var(--text); }

.modal-body {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  flex: 1;
}
.modal-footer {
  display: flex;
  gap: .75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* Payslip styles */
.slip-meta { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1rem; }
.slip-meta-row { display: flex; justify-content: space-between; align-items: center; }
.slip-label { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); }
.slip-value { font-weight: 600; font-size: .9rem; font-family: 'Space Mono', monospace; }

.slip-divider { border: none; border-top: 1px solid var(--border); margin: .8rem 0; }
.slip-section-title {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-dim);
  margin-bottom: .6rem;
}
.slip-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .35rem 0;
  font-size: .88rem;
}
.slip-row span:last-child { font-family: 'Space Mono', monospace; font-size: .85rem; }
.slip-row.subtotal span { font-weight: 700; }
.slip-row.deduction span:last-child { color: var(--red); }

.slip-net-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--green-dim);
  border: 1px solid rgba(0,230,118,.3);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-top: 1rem;
  font-weight: 700;
  font-size: 1.05rem;
}
.slip-net-box span:last-child {
  font-family: 'Space Mono', monospace;
  color: var(--green);
  font-size: 1.1rem;
}

.slip-footer-note {
  text-align: center;
  font-size: .72rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
  font-style: italic;
}

/* Confirm modal */
.confirm-msg { color: var(--text); font-size: .92rem; line-height: 1.6; }

/* ── Toast ──────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem 1.25rem;
  font-size: .85rem;
  color: var(--text);
  z-index: 300;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  transition: all .25s ease;
  pointer-events: none;
  max-width: 300px;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast.success { border-color: rgba(0,230,118,.4); color: var(--green); }
.toast.error   { border-color: rgba(255,82,82,.4);  color: var(--red); }

/* ── Empty State ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 2.5rem;
  color: var(--text-muted);
  font-size: .88rem;
  font-style: italic;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Print (payslip) ────────────────────────────────────────── */
@media print {
  .sidebar, .table-toolbar, .modal-footer,
  .modal-close, #toast { display: none !important; }
  body { background: #fff; color: #000; }
  .modal {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: all;
    border: none;
    box-shadow: none;
    width: 100%;
  }
  .modal-backdrop { display: none; }
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 700px) {
  :root { --sidebar-w: 0px; }
  .sidebar { display: none; }
  .main-content { padding: 1.25rem 1rem; }
}