:root {
  --blue:         #1E3A8A;
  --blue-600:     #1E40AF;
  --blue-700:     #172554;
  --blue-50:      #EFF4FB;
  --blue-100:     #DCE5F4;
  --blue-200:     #BCC9E8;

  --slate-50:     #F8FAFC;
  --slate-100:    #F1F5F9;
  --slate-200:    #E2E8F0;
  --slate-300:    #CBD5E1;
  --slate-400:    #94A3B8;
  --slate-500:    #64748B;
  --slate-600:    #475569;
  --slate-700:    #334155;
  --slate-800:    #1E293B;
  --slate-900:    #0F172A;

  --border:       #E5E7EB;
  --bg:           #FFFFFF;
  --bg-soft:      #F7F9FC;
  --radius:       14px;
  --radius-lg:    18px;
  --shadow-sm:    0 1px 2px rgba(15,23,42,.05);
  --shadow:       0 8px 24px rgba(15,23,42,.08);
  --shadow-lg:    0 20px 40px rgba(30,58,138,.18);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Poppins', system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg-soft);
  color: var(--slate-900);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-700); }

.label-tiny {
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--blue-700);
}
.text-a { color: var(--blue) !important; }
.text-b { color: var(--slate-600) !important; }
.text-c { color: var(--slate-800) !important; }

/* ========= LOGIN ========= */
.login-bg {
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(30,58,138,.22), transparent 60%),
    radial-gradient(1000px 700px at 90% 90%, rgba(30,58,138,.15), transparent 60%),
    linear-gradient(135deg, #EFF4FB 0%, #FFFFFF 60%, #DCE5F4 100%);
  display: grid;
  place-items: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.login-card {
  width: 100%;
  max-width: 440px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid rgba(30,58,138,0.15);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 20px 60px rgba(30,58,138,.18);
}
.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.brand-icon {
  width: 48px; height: 48px; border-radius: 14px;
  background: var(--blue); color: white;
  display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(30,58,138,.30);
  font-size: 22px;
}
.login-card h1 { font-size: 2.25rem; font-weight: 800; margin: 0 0 8px; letter-spacing: -0.02em; color: var(--slate-900); }
.login-card .subtitle { color: var(--slate-600); font-size: .95rem; margin-bottom: 24px; }
.form-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .18em; font-weight: 700; color: var(--slate-700); }
.form-control, .form-select {
  border-radius: 10px; border: 1px solid var(--border);
  padding: .7rem .9rem; font-size: 1rem; background: rgba(255,255,255,.9); color: var(--slate-900);
}
.form-control:focus, .form-select:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(30,58,138,.18); outline: none;
}
.btn { border-radius: 10px; font-weight: 600; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: white; }
.btn-primary:hover, .btn-primary:focus { background: var(--blue-600); border-color: var(--blue-600); color: white; }
.btn-outline-primary { border-color: var(--blue); color: var(--blue-700); background: white; }
.btn-outline-primary:hover { background: var(--blue); color: white; }
.btn-green   { background: var(--blue);  color: white; }
.btn-green:hover  { background: var(--blue-600); color: white; }
.btn-yellow  { background: var(--slate-600); color: white; }
.btn-yellow:hover { background: var(--slate-700); color: white; }
.btn-red     { background: var(--slate-800);    color: white; }
.btn-red:hover    { background: var(--slate-900); color: white; }

.demo-hint { text-align: center; font-size: .8rem; color: var(--slate-700); margin-top: 12px; }

/* ========= APP SHELL ========= */
.app-shell { display: flex; min-height: 100vh; }
.app-sidebar {
  width: 250px;
  background: white;
  border-right: 1px solid var(--border);
  position: fixed; top: 0; left: 0; bottom: 0;
  display: flex; flex-direction: column;
  z-index: 40;
  transform: translateX(-100%);
  transition: transform .25s ease;
}
.app-sidebar.is-open { transform: translateX(0); }
.app-main { flex: 1; margin-left: 0; min-width: 0; }
@media (min-width: 992px) {
  .app-sidebar { transform: translateX(0); }
  .app-main { margin-left: 250px; }
  .menu-toggle { display: none !important; }
}

.sidebar-brand { padding: 22px 20px; border-bottom: 1px solid var(--border); display: flex; gap: 12px; align-items: center; }
.sidebar-brand .brand-icon { width: 40px; height: 40px; font-size: 18px; border-radius: 12px; }
.sidebar-brand .brand-title { font-weight: 800; color: var(--slate-900); font-size: 1rem; }
.sidebar-nav { padding: 12px; flex: 1; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: 10px;
  color: var(--slate-700); font-weight: 500; font-size: .95rem;
  text-decoration: none; margin-bottom: 2px;
  transition: background .15s, color .15s;
}
.nav-item i { font-size: 1.05rem; color: var(--slate-500); }
.nav-item:hover { background: var(--blue-50); color: var(--blue-700); }
.nav-item:hover i { color: var(--blue); }
.nav-item.is-active { background: var(--blue); color: white; box-shadow: 0 8px 20px rgba(30,58,138,.25); }
.nav-item.is-active i { color: white; }
.sidebar-footer { padding: 12px; border-top: 1px solid var(--border); }
.btn-logout {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 10px 14px; border-radius: 10px; color: var(--slate-700);
  text-decoration: none; font-weight: 500;
}
.btn-logout:hover { background: var(--slate-100); color: var(--slate-900); }

/* ========= TOPBAR ========= */
.app-topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex; align-items: center; gap: 12px;
}
.menu-toggle {
  background: transparent; border: none; font-size: 24px; color: var(--slate-700);
  padding: 4px 8px; border-radius: 8px;
}
.menu-toggle:hover { background: var(--slate-100); }
.topbar-title { flex: 1; min-width: 0; }
.topbar-title .label-tiny { font-size: .6rem; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  background: transparent; border: none; padding: 8px; border-radius: 999px;
  color: var(--slate-700); font-size: 1.1rem;
}
.icon-btn:hover { background: var(--blue-50); color: var(--blue-700); }
.notif-badge {
  position: absolute; top: 2px; right: 2px; background: var(--blue); color: white;
  font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 999px; min-width: 18px; text-align: center;
}
.notif-dropdown { max-height: 400px; overflow-y: auto; border-radius: 14px; box-shadow: var(--shadow); }
.notif-list .notif-item { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.notif-list .notif-item:last-child { border-bottom: 0; }
.notif-list .notif-title { font-weight: 600; color: var(--slate-900); font-size: .9rem; }
.notif-list .notif-msg { color: var(--slate-600); font-size: .85rem; margin-top: 2px; }
.notif-list .notif-time { color: var(--slate-500); font-size: .7rem; margin-top: 4px; letter-spacing: .05em; }

/* ========= CONTENT ========= */
.app-content { padding: 24px 20px 60px; max-width: 1360px; margin: 0 auto; }
@media (min-width: 992px) { .app-content { padding: 32px 40px 60px; } }

.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -0.02em; margin: 4px 0 6px; color: var(--slate-900); }
.page-header p { color: var(--slate-600); margin: 0; }

/* Stat card */
.stat-card {
  background: white; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow-sm);
  transition: transform .18s, box-shadow .18s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card .stat-label { font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; color: var(--slate-600); }
.stat-card .stat-value { font-size: 2rem; font-weight: 800; margin-top: 6px; color: var(--slate-900); }
.stat-card .stat-icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; color: white; font-size: 1.1rem; float: right;
}
.stat-icon.orange { background: var(--blue); }
.stat-icon.green  { background: var(--blue-600); }
.stat-icon.yellow { background: var(--slate-500); }
.stat-icon.red    { background: var(--slate-800); }
.stat-icon.slate  { background: var(--slate-700); }

.panel {
  background: white; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px; box-shadow: var(--shadow-sm);
}
.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 10px; flex-wrap: wrap; }
.panel-title { font-size: 1.05rem; font-weight: 700; color: var(--slate-900); margin: 0; }

/* Progress bar */
.progress-thin { height: 10px; background: var(--blue-100); border-radius: 999px; overflow: hidden; }
.progress-thin .bar { height: 100%; background: linear-gradient(90deg, var(--blue), var(--blue-600)); border-radius: 999px; transition: width .35s ease; }
.progress-lg { height: 14px; }

/* Voter card */
.voter-card {
  background: white; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .15s;
}
.voter-card:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.voter-card.cat-A { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(30,58,138,.15); }
.voter-card.cat-B { border-color: var(--slate-400); box-shadow: 0 0 0 2px rgba(148,163,184,.15); }
.voter-card.cat-C { border-color: var(--slate-800); box-shadow: 0 0 0 2px rgba(15,23,42,.15); }
.voter-head { display: flex; align-items: flex-start; gap: 14px; }
.voter-avatar {
  width: 52px; height: 52px; flex: none;
  background: var(--blue-50); color: var(--blue-700);
  border-radius: 12px; display: grid; place-items: center; font-size: 1.5rem;
}
.voter-name { font-weight: 700; color: var(--slate-900); margin: 0; font-size: 1.05rem; }
.voter-sub  { font-size: .8rem; color: var(--slate-600); }
.voter-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; margin-top: 10px; font-size: .78rem; color: var(--slate-700); }
.voter-meta i { color: var(--slate-500); margin-right: 4px; }
.cat-btn-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; }
.cat-btn {
  height: 48px; border: none; border-radius: 10px; color: white; font-weight: 700; font-size: 1rem;
  display: flex; align-items: center; justify-content: center; gap: 6px; cursor: pointer;
  transition: filter .15s, transform .12s, box-shadow .15s;
}
.cat-btn:hover { filter: brightness(1.08); }
.cat-btn:active { transform: scale(.97); }
.cat-btn.active { box-shadow: 0 0 0 3px white, 0 0 0 5px currentColor; }
.cat-btn.cat-a { background: var(--blue); }
.cat-btn.cat-b { background: var(--slate-500); }
.cat-btn.cat-c { background: var(--slate-800); }
.contact-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.contact-btn {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px; border-radius: 10px; border: 1px solid var(--border);
  color: var(--slate-700); background: white; font-weight: 500; font-size: .9rem;
  text-decoration: none;
}
.contact-btn:hover { background: var(--blue-50); color: var(--blue-700); }
.contact-btn.wa { color: var(--blue-600); }
.contact-btn.wa:hover { background: var(--blue-50); color: var(--blue-700); }

/* Category badge */
.cat-badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .7rem; font-weight: 700; color: white; letter-spacing: .05em; }
.cat-badge.A { background: var(--blue); }
.cat-badge.B { background: var(--slate-500); }
.cat-badge.C { background: var(--slate-800); }

/* Table */
.table-panel { padding: 0; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; padding: 14px 18px; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--slate-600); background: var(--blue-50); border-bottom: 1px solid var(--border); }
.data-table td { padding: 14px 18px; border-bottom: 1px solid var(--border); font-size: .92rem; color: var(--slate-800); }
.data-table tr:hover td { background: var(--blue-50); }
.data-table tr:last-child td { border-bottom: 0; }
.data-table .actions { text-align: right; white-space: nowrap; }
.data-table .actions .btn { padding: 6px 10px; font-size: .8rem; margin-left: 4px; }

/* Modal */
.modal-content { border-radius: var(--radius-lg); border: 0; box-shadow: var(--shadow); }
.modal-header { border-bottom: 1px solid var(--border); }
.modal-title { font-weight: 700; color: var(--slate-900); }

/* Chart wrappers */
.chart-wrap { position: relative; height: 260px; }

/* Toast */
.toast-host { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast-msg {
  background: white; border: 1px solid var(--border);
  border-left: 4px solid var(--blue); box-shadow: var(--shadow);
  padding: 12px 16px; border-radius: 10px; font-size: .9rem; color: var(--slate-900);
  min-width: 240px; animation: toastIn .2s ease;
}
.toast-msg.success { border-left-color: var(--blue); }
.toast-msg.error   { border-left-color: var(--slate-900); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* Upload dropzone */
.dropzone {
  border: 2px dashed var(--blue); border-radius: 14px;
  padding: 40px 20px; text-align: center; color: var(--slate-600);
  background: var(--blue-50);
}
.dropzone i { font-size: 2.5rem; color: var(--blue); }

/* Search input */
.search-input { position: relative; }
.search-input i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--slate-500); }
.search-input .form-control { padding-left: 40px; }

/* Utility grid */
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 991px) {
  .grid.cols-4, .grid.cols-6 { grid-template-columns: repeat(3, 1fr); }
  .grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid.cols-2, .grid.cols-3, .grid.cols-4, .grid.cols-6 { grid-template-columns: repeat(2, 1fr); }
  .voter-meta { grid-template-columns: 1fr; }
  .app-topbar { padding: 10px 14px; }
  .app-content { padding: 18px 14px 60px; }
  .panel { padding: 16px; }
  .login-card { padding: 28px 22px; }
  .login-card h1 { font-size: 1.75rem; }
}

.overlay { position: fixed; inset: 0; background: rgba(15,23,42,.4); z-index: 35; display: none; }
.overlay.on { display: block; }