/* ─── Variables ─────────────────────────────────────────────────────────────── */
:root {
  --sidebar-bg:      #0f172a;
  --sidebar-hover:   rgba(255,255,255,.07);
  --sidebar-active:  rgba(99,102,241,.18);
  --sidebar-border:  #6366f1;
  --primary:         #6366f1;
  --primary-dark:    #4f46e5;
  --primary-light:   #818cf8;
  --success:         #10b981;
  --success-dark:    #059669;
  --danger:          #f43f5e;
  --danger-dark:     #e11d48;
  --warning:         #f59e0b;
  --warning-dark:    #d97706;
  --info:            #06b6d4;
  --bg:              #f1f5f9;
  --surface:         #ffffff;
  --border:          #e2e8f0;
  --border-light:    #f1f5f9;
  --text:            #0f172a;
  --text-muted:      #64748b;
  --text-light:      #94a3b8;
  --sidebar-w:       248px;
  --topbar-h:        62px;
  --radius:          10px;
  --radius-lg:       14px;
  --shadow-sm:       0 1px 2px rgba(0,0,0,.06);
  --shadow:          0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:       0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -2px rgba(0,0,0,.06);
  --shadow-lg:       0 10px 25px -5px rgba(0,0,0,.12), 0 4px 10px -5px rgba(0,0,0,.06);
  --transition:      all .18s cubic-bezier(.4,0,.2,1);
}

/* ─── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

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

/* ─── Sidebar ────────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  border-right: 1px solid rgba(255,255,255,.04);
}

.sidebar-brand {
  padding: 20px 22px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.sidebar-brand h1 { font-size: 17px; font-weight: 800; color: #fff; letter-spacing: -.02em; }
.sidebar-brand p  { font-size: 11px; color: rgba(255,255,255,.4); margin-top: 2px; }

.sidebar-nav { flex: 1; padding: 10px 0; overflow-y: auto; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 2px; }

.nav-section-label {
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: rgba(255,255,255,.25);
  padding: 14px 20px 5px;
}

.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 20px;
  color: rgba(255,255,255,.6);
  font-size: 13.5px; font-weight: 500;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: var(--transition);
  position: relative;
}
.nav-item:hover  { background: var(--sidebar-hover); color: rgba(255,255,255,.9); }
.nav-item.active { background: var(--sidebar-active); color: #fff; border-left-color: var(--sidebar-border); }
.nav-item .nav-icon { width: 20px; flex-shrink: 0; opacity: .7; transition: opacity .18s; }
.nav-item:hover .nav-icon, .nav-item.active .nav-icon { opacity: 1; }
.nav-item.active .nav-icon svg stroke { stroke: var(--primary-light); }

.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid rgba(255,255,255,.07);
  background: rgba(0,0,0,.2);
}
.sidebar-user { display: flex; align-items: center; gap: 10px; }
.user-avatar {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.user-name  { font-size: 13px; font-weight: 600; color: #fff; }
.user-role  { font-size: 11px; color: rgba(255,255,255,.4); }

/* ─── Main ───────────────────────────────────────────────────────────────────── */
.main { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; }

.topbar {
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 50;
  box-shadow: var(--shadow-sm);
}
.topbar-title { font-size: 17px; font-weight: 700; color: var(--text); letter-spacing: -.02em; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.topbar-user {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: var(--radius);
  background: var(--bg); border: 1px solid var(--border);
  font-size: 13px; font-weight: 500; color: var(--text-muted);
}
.btn-logout {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 14px; border-radius: var(--radius);
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer; font-size: 13px; font-weight: 500;
  transition: var(--transition);
}
.btn-logout:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

.content { flex: 1; padding: 28px; }

/* ─── Page Header ────────────────────────────────────────────────────────────── */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; }
.page-title   { font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: -.03em; line-height: 1.2; }
.page-subtitle{ font-size: 13px; color: var(--text-muted); margin-top: 3px; }
.page-actions { display: flex; gap: 10px; flex-shrink: 0; }

/* ─── Stat Cards ─────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; position: relative; overflow: hidden;
  box-shadow: var(--shadow-md);
}
.stat-card::after {
  content: '';
  position: absolute; top: -30px; right: -20px;
  width: 90px; height: 90px; border-radius: 50%;
  background: rgba(255,255,255,.1);
}
.stat-card.blue   { background: linear-gradient(135deg, #4f46e5, #6366f1); }
.stat-card.red    { background: linear-gradient(135deg, #e11d48, #f43f5e); }
.stat-card.green  { background: linear-gradient(135deg, #059669, #10b981); }
.stat-card.yellow { background: linear-gradient(135deg, #d97706, #f59e0b); }
.stat-card.purple { background: linear-gradient(135deg, #7c3aed, #a78bfa); }
.stat-card.teal   { background: linear-gradient(135deg, #0891b2, #06b6d4); }

.stat-card .stat-label { font-size: 12px; font-weight: 600; color: rgba(255,255,255,.75); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.stat-card .stat-value { font-size: 26px; font-weight: 800; color: #fff; letter-spacing: -.03em; line-height: 1; }
.stat-card .stat-sub   { font-size: 11.5px; color: rgba(255,255,255,.6); margin-top: 5px; }
.stat-icon-wrap {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; position: relative; z-index: 1;
}
.stat-icon-wrap svg { stroke: #fff; }

/* Legacy stat-icon class (used in existing HTML that we don't change) */
.stat-icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(255,255,255,.18); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 20px; }
.stat-card .stat-icon.blue,.stat-card .stat-icon.green,.stat-card .stat-icon.red,
.stat-card .stat-icon.yellow,.stat-card .stat-icon.purple,.stat-card .stat-icon.teal { background: rgba(255,255,255,.18); }

/* ─── Cards ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-light);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface);
}
.card-title { font-size: 14.5px; font-weight: 700; color: var(--text); }
.card-body  { padding: 22px; }

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: var(--radius);
  font-size: 13.5px; font-weight: 600; cursor: pointer; border: none;
  transition: var(--transition); line-height: 1; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 1px 3px rgba(99,102,241,.35); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 4px 10px rgba(99,102,241,.4); transform: translateY(-1px); }
.btn-success { background: var(--success); color: #fff; box-shadow: 0 1px 3px rgba(16,185,129,.35); }
.btn-success:hover { background: var(--success-dark); box-shadow: 0 4px 10px rgba(16,185,129,.4); transform: translateY(-1px); }
.btn-danger  { background: var(--danger); color: #fff; box-shadow: 0 1px 3px rgba(244,63,94,.3); }
.btn-danger:hover  { background: var(--danger-dark); transform: translateY(-1px); }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: var(--warning-dark); transform: translateY(-1px); }
.btn-outline {
  background: var(--surface); color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--bg); color: var(--text); border-color: #cbd5e1; }
.btn-sm   { padding: 6px 12px; font-size: 12.5px; border-radius: 8px; }
.btn-icon { width: 32px; height: 32px; padding: 0; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none !important; }

/* ─── Forms ──────────────────────────────────────────────────────────────────── */
.form-grid   { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 11.5px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .06em;
}

.form-control {
  padding: 9px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 13.5px; color: var(--text);
  background: var(--surface);
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.form-control::placeholder { color: var(--text-light); }
.form-control:hover:not(:focus) { border-color: #94a3b8; }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 72px; }

.form-actions {
  display: flex; gap: 10px; justify-content: flex-end;
  margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border-light);
}

/* ─── Filter Bar ─────────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end;
  padding: 14px 22px;
  background: #fafbfc;
  border-bottom: 1px solid var(--border-light);
}
.filter-bar .form-group { min-width: 155px; }
.filter-bar label { font-size: 10.5px; }

/* ─── Tables ─────────────────────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }

thead th {
  background: #f8fafc;
  color: var(--text-muted);
  font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap; text-align: left;
}

tbody tr { transition: background .1s; }
tbody tr:nth-child(even) td { background: #fafbfc; }
tbody tr:hover td { background: #f0f4ff !important; }

tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
  color: var(--text);
}
tbody tr:last-child td { border-bottom: none; }

tfoot td { padding: 11px 16px; }

.td-right  { text-align: right; }
.td-center { text-align: center; }

.no-data  { text-align: center; padding: 50px 20px; color: var(--text-light); font-size: 14px; }
.loading  { text-align: center; padding: 40px; color: var(--text-light); }

/* ─── Badges ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 600; line-height: 1.4;
}
.badge-blue   { background: #ede9fe; color: #5b21b6; }
.badge-green  { background: #d1fae5; color: #065f46; }
.badge-red    { background: #ffe4e6; color: #9f1239; }
.badge-yellow { background: #fef9c3; color: #92400e; }
.badge-gray   { background: #f1f5f9; color: #475569; }
.badge-purple { background: #f3e8ff; color: #6d28d9; }

.chip {
  display: inline-flex; align-items: center;
  padding: 2px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 500;
  background: #ede9fe; color: #5b21b6;
  border: 1px solid #ddd6fe;
}

/* ─── Toast ──────────────────────────────────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  display: flex; flex-direction: column; gap: 8px; pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 18px; border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow-lg);
  border-left: 4px solid; min-width: 280px; max-width: 380px;
  animation: toastIn .25s cubic-bezier(.34,1.56,.64,1);
  pointer-events: auto;
}
.toast.success { border-color: var(--success); }
.toast.error   { border-color: var(--danger); }
.toast.info    { border-color: var(--primary); }
.toast-icon { font-size: 16px; }
.toast-msg  { font-size: 13.5px; font-weight: 500; color: var(--text); }
@keyframes toastIn { from { opacity:0; transform:translateX(60px) scale(.9); } to { opacity:1; transform:translateX(0) scale(1); } }

/* ─── Modal ──────────────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15,23,42,.5);
  backdrop-filter: blur(4px);
  z-index: 200; display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: fadeIn .2s ease;
}
.modal {
  background: var(--surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); width: 100%; max-width: 520px;
  animation: modalIn .22s cubic-bezier(.34,1.3,.64,1);
  border: 1px solid var(--border);
}
.modal-lg { max-width: 700px; }
.modal-header {
  padding: 20px 24px; border-bottom: 1px solid var(--border-light);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 15.5px; font-weight: 700; color: var(--text); }
.modal-close {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--bg); border: 1px solid var(--border);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: var(--text-muted); transition: var(--transition); line-height: 1;
}
.modal-close:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.modal-body   { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border-light); display: flex; gap: 10px; justify-content: flex-end; }
@keyframes fadeIn  { from { opacity:0; } to { opacity:1; } }
@keyframes modalIn { from { opacity:0; transform:scale(.93) translateY(12px); } to { opacity:1; transform:scale(1) translateY(0); } }

/* ─── Tabs ───────────────────────────────────────────────────────────────────── */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tab-btn {
  padding: 10px 20px; font-size: 13.5px; font-weight: 600;
  color: var(--text-muted); background: none; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  cursor: pointer; transition: var(--transition);
}
.tab-btn:hover  { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ─── Login Page ─────────────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, #0f172a 0%, #1e1b4b 40%, #312e81 70%, #4338ca 100%);
  padding: 20px;
  position: relative; overflow: hidden;
}
.login-page::before {
  content: '';
  position: absolute; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,.25) 0%, transparent 70%);
  top: -150px; right: -150px; pointer-events: none;
}
.login-page::after {
  content: '';
  position: absolute; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,.2) 0%, transparent 70%);
  bottom: -100px; left: -100px; pointer-events: none;
}
.login-card {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0,0,0,.3), 0 0 0 1px rgba(255,255,255,.1);
  padding: 44px 40px;
  width: 100%; max-width: 400px;
  position: relative; z-index: 1;
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo h1 { font-size: 28px; font-weight: 800; color: var(--text); letter-spacing: -.05em; }
.login-logo p  { color: var(--text-muted); font-size: 13.5px; margin-top: 5px; }
.login-divider { height: 1px; background: var(--border); margin: 0 0 24px; }
.login-form .form-group { margin-bottom: 16px; }
.login-form label {
  display: block; font-size: 11.5px; font-weight: 700;
  color: var(--text-muted); margin-bottom: 6px;
  text-transform: uppercase; letter-spacing: .06em;
}
.login-form .form-control {
  padding: 11px 14px; font-size: 14px;
  border-width: 1.5px;
}
.btn-login {
  width: 100%; padding: 12px; font-size: 15px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  box-shadow: 0 4px 14px rgba(99,102,241,.4);
}
.btn-login:hover { background: linear-gradient(135deg, #4338ca, #4f46e5); box-shadow: 0 6px 18px rgba(99,102,241,.5); transform: translateY(-1px); }
.login-error {
  color: var(--danger); font-size: 13px; text-align: center;
  margin-top: 12px; display: none;
  padding: 9px; background: #fff1f2; border-radius: 8px; border: 1px solid #fecdd3;
}
.login-hint {
  text-align: center; margin-top: 16px; font-size: 12px; color: var(--text-light);
  padding: 8px; background: var(--bg); border-radius: 8px;
}

/* ─── Misc helpers ───────────────────────────────────────────────────────────── */
.mt-1{margin-top:6px} .mt-2{margin-top:14px} .mt-3{margin-top:24px}
.mb-1{margin-bottom:6px} .mb-2{margin-bottom:14px} .mb-3{margin-bottom:24px}
.flex{display:flex} .flex-wrap{flex-wrap:wrap} .items-center{align-items:center}
.justify-between{justify-content:space-between} .gap-2{gap:10px}
.text-right{text-align:right} .text-center{text-align:center}
.text-muted{color:var(--text-muted)} .text-success{color:var(--success)} .text-danger{color:var(--danger)}
.fw-bold{font-weight:700}
.divider{border:none;border-top:1px solid var(--border);margin:16px 0}

/* ─── Table footer totals bar ────────────────────────────────────────────────── */
.table-totals {
  padding: 12px 20px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 28px;
  background: #fafbfc; font-size: 13px;
}
.table-totals span strong { font-size: 14px; }

/* ─── Info box ───────────────────────────────────────────────────────────────── */
.info-box {
  padding: 12px 14px; border-radius: var(--radius);
  background: #ede9fe; border: 1px solid #ddd6fe;
  font-size: 12.5px; color: #5b21b6; line-height: 1.5;
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s ease; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .content { padding: 16px; }
}

/* ─── Print ──────────────────────────────────────────────────────────────────── */
@media print {
  .sidebar,.topbar,.filter-bar,.btn,button,#toast-container { display:none !important; }
  .main { margin-left:0 !important; }
  .card { box-shadow:none !important; border:1px solid #ccc !important; }
}