:root {
  --bg: #0f1220;
  --bg-2: #151a2e;
  --panel: #1a2035;
  --panel-2: #212843;
  --line: #2a3357;
  --text: #e7ecf6;
  --muted: #8b95b5;
  --primary: #5b8cff;
  --primary-2: #3f6fe0;
  --success: #2fd48f;
  --danger: #ff5c6c;
  --warn: #ffb648;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #1c2a55 0, transparent 60%), var(--bg);
  background-color: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
a { cursor: pointer; text-decoration: none; color: inherit; }

/* ---------- LOGIN ---------- */
.login-screen {
  position: fixed; inset: 0; display: grid; place-items: center;
  background: radial-gradient(900px 500px at 50% -10%, #24305c 0, transparent 60%), var(--bg);
  padding: 20px;
}
.login-card {
  width: 100%; max-width: 380px; background: var(--panel);
  border: 1px solid var(--line); border-radius: 18px; padding: 34px 30px;
  box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 8px;
}
.login-logo, .brand-logo {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--primary), #8a5bff);
}
.login-logo { margin: 0 auto 8px; font-size: 20px; }
.login-card h1 { text-align: center; font-size: 22px; margin: 4px 0 0; }
.login-sub { text-align: center; color: var(--muted); margin: 0 0 14px; font-size: 14px; }
.login-card label { font-size: 13px; color: var(--muted); margin-top: 8px; }
.login-error {
  background: rgba(255, 92, 108, 0.12); color: var(--danger);
  border: 1px solid rgba(255, 92, 108, 0.3); padding: 9px 12px; border-radius: 10px; font-size: 13px;
}

/* ---------- INPUTS ---------- */
input, select {
  width: 100%; padding: 11px 13px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg-2); color: var(--text); font-size: 14px; font-family: inherit; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(91, 140, 255, .15); }
input:disabled { color: var(--muted); background: #171c30; cursor: not-allowed; }
label.field { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 6px; }

/* ---------- BUTTONS ---------- */
.btn {
  border: 1px solid transparent; border-radius: 10px; padding: 10px 16px; font-size: 14px;
  font-weight: 600; cursor: pointer; font-family: inherit; transition: transform .05s, background .15s, opacity .15s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-2); }
.btn-success { background: var(--success); color: #06231a; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: var(--panel-2); }
.btn-block { width: 100%; justify-content: center; margin-top: 14px; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.icon-btn { background: transparent; border: none; color: var(--text); font-size: 20px; cursor: pointer; }

/* ---------- APP LAYOUT ---------- */
.app { display: grid; grid-template-columns: 250px 1fr; height: 100vh; }
.sidebar {
  background: var(--bg-2); border-right: 1px solid var(--line); padding: 20px 16px;
  display: flex; flex-direction: column; gap: 8px; z-index: 40;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; padding: 4px 6px 16px; }
.brand-logo { width: 40px; height: 40px; border-radius: 11px; font-size: 15px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-text small { font-weight: 500; font-size: 11px; color: var(--muted); font-style: italic; }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 11px 13px; border-radius: 11px;
  color: var(--muted); font-weight: 500; font-size: 14.5px;
}
.nav-item .ic { width: 20px; text-align: center; font-size: 16px; }
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active { background: linear-gradient(135deg, rgba(91,140,255,.2), rgba(138,91,255,.12)); color: #fff; }
.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; padding-top: 14px; border-top: 1px solid var(--line); }
.user-chip { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 13px; }

.main { display: flex; flex-direction: column; overflow: hidden; }
.topbar {
  display: flex; align-items: center; gap: 14px; padding: 16px 26px; border-bottom: 1px solid var(--line);
  background: rgba(21,26,46,.6); backdrop-filter: blur(6px);
}
.topbar h2 { margin: 0; font-size: 19px; }
.topbar-actions { margin-left: auto; display: flex; gap: 10px; }
.view { padding: 26px; overflow-y: auto; }

/* ---------- CARDS / STATS ---------- */
.grid { display: grid; gap: 16px; }
.stats-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow);
}
.stat-card { display: flex; flex-direction: column; gap: 8px; }
.stat-card .label { color: var(--muted); font-size: 13px; }
.stat-card .value { font-size: 30px; font-weight: 800; }
.stat-card .ic {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  font-size: 20px; background: rgba(91,140,255,.15); color: var(--primary); margin-bottom: 4px;
}
.stat-card.green .ic { background: rgba(47,212,143,.15); color: var(--success); }
.stat-card.red .ic { background: rgba(255,92,108,.15); color: var(--danger); }
.stat-card.warn .ic { background: rgba(255,182,72,.15); color: var(--warn); }
.card-title { font-size: 15px; font-weight: 700; margin: 0 0 14px; display: flex; align-items: center; justify-content: space-between; }

/* trend bars */
.bars { display: flex; align-items: flex-end; gap: 10px; height: 160px; padding-top: 10px; }
.bar-wrap { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.bar { width: 100%; max-width: 42px; border-radius: 8px 8px 0 0; background: linear-gradient(180deg, var(--primary), var(--primary-2)); min-height: 4px; transition: height .4s; }
.bar-label { font-size: 11px; color: var(--muted); }
.bar-val { font-size: 12px; font-weight: 700; }

/* ---------- TABLE ---------- */
.table-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.table-tools { display: flex; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); align-items: center; flex-wrap: wrap; }
.table-tools .search { flex: 1; min-width: 200px; max-width: 340px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 13px 16px; font-size: 14px; }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .04em; background: var(--bg-2); }
tbody tr { border-top: 1px solid var(--line); transition: background .15s; }
tbody tr:hover { background: var(--panel-2); }
tr.row-highlight { animation: flash 1.6s ease; }
@keyframes flash { 0% { background: rgba(91,140,255,.35); } 100% { background: transparent; } }
td.num { color: var(--muted); width: 46px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.gray { background: var(--panel-2); color: var(--muted); }
.badge.blue { background: rgba(91,140,255,.16); color: var(--primary); }
.badge.green { background: rgba(47,212,143,.16); color: var(--success); }
.badge.red { background: rgba(255,92,108,.16); color: var(--danger); }
.badge.warn { background: rgba(255,182,72,.16); color: var(--warn); }
.mono { font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace; font-size: 13px; }

/* pagination */
.pagination { display: flex; gap: 6px; padding: 14px 16px; align-items: center; justify-content: flex-end; flex-wrap: wrap; }
.pagination .info { margin-right: auto; color: var(--muted); font-size: 13px; }
.page-btn { min-width: 34px; height: 34px; padding: 0 8px; border-radius: 9px; border: 1px solid var(--line); background: var(--bg-2); color: var(--text); cursor: pointer; font-size: 13px; }
.page-btn:hover:not(:disabled) { border-color: var(--primary); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-btn:disabled { opacity: .4; cursor: default; }

/* ---------- MODAL ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(6,8,18,.6); backdrop-filter: blur(3px); display: grid; place-items: center; z-index: 100; padding: 18px; animation: fade .15s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.modal { width: 100%; max-width: 460px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); animation: pop .16s ease; max-height: 92vh; overflow-y: auto; }
@keyframes pop { from { transform: translateY(10px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.modal-head h3 { margin: 0; font-size: 17px; }
.modal-body { padding: 20px; }
.modal-foot { padding: 16px 20px; border-top: 1px solid var(--line); display: flex; gap: 10px; justify-content: flex-end; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.seg { display: flex; gap: 8px; }
.seg label { flex: 1; }
.seg input { display: none; }
.seg .opt { display: block; text-align: center; padding: 11px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-2); cursor: pointer; font-weight: 600; font-size: 14px; }
.seg input:checked + .opt { border-color: var(--primary); background: rgba(91,140,255,.16); color: var(--primary); }

/* ---------- TOAST ---------- */
.toast-root { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 10px; z-index: 200; }
.toast { min-width: 240px; max-width: 360px; padding: 13px 16px; border-radius: 12px; background: var(--panel-2); border: 1px solid var(--line); box-shadow: var(--shadow); font-size: 14px; animation: slidein .2s ease; }
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--primary); }
@keyframes slidein { from { transform: translateX(30px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- MISC ---------- */
.empty { text-align: center; color: var(--muted); padding: 40px 20px; }
.spinner { width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.muted { color: var(--muted); }
.backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 30; }
.mobile-only { display: none; }

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 250px; transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; }
  .mobile-only { display: inline-flex; }
  .row2 { grid-template-columns: 1fr; }
}