:root {
  --nb-primary: #0f2d52;
  --nb-accent: #1d6fa4;
  --nb-light-accent: #e8f1fb;
  --nb-gold: #c9a84c;
  --nb-success: #12b76a;
  --nb-danger: #f04438;
  --nb-warning: #f79009;
  --nb-bg: #f3f6fb;
  --nb-card: #ffffff;
  --nb-text: #1a1f36;
  --nb-muted: #6b7280;
  --nb-border: #e5e9f0;
  --nb-sidebar-w: 260px;
  --nb-sidebar-bg: #0f2d52;
  --nb-sidebar-text: rgba(255,255,255,0.85);
}
[data-theme="dark"] {
  --nb-bg: #0d1117;
  --nb-card: #161b22;
  --nb-text: #e6edf3;
  --nb-muted: #8b949e;
  --nb-border: #30363d;
  --nb-light-accent: #1c2e45;
  --nb-sidebar-bg: #010409;
}
* { box-sizing: border-box; }
body { font-family: 'Poppins', sans-serif; background: var(--nb-bg); color: var(--nb-text); margin: 0; transition: background .3s, color .3s; }
a { text-decoration: none; color: inherit; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* ===== AUTH ===== */
#auth-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #0f2d52 0%, #1d6fa4 60%, #0a1f38 100%); position: relative; overflow: hidden; }
#auth-screen::before { content:''; position:absolute; width:600px; height:600px; border-radius:50%; background:rgba(255,255,255,.04); top:-200px; right:-200px; }
#auth-screen::after { content:''; position:absolute; width:400px; height:400px; border-radius:50%; background:rgba(255,255,255,.03); bottom:-150px; left:-100px; }
.auth-card { background: rgba(255,255,255,.97); border-radius: 20px; padding: 2.5rem; width: 100%; max-width: 440px; box-shadow: 0 25px 60px rgba(0,0,0,.3); position: relative; z-index: 1; }
[data-theme="dark"] .auth-card { background: #161b22; }
.auth-logo { font-size: 2rem; font-weight: 700; color: var(--nb-primary); letter-spacing: -1px; }
.auth-logo span { color: var(--nb-gold); }
.nb-input { border: 1.5px solid var(--nb-border); border-radius: 10px; padding: .65rem 1rem; background: var(--nb-bg); color: var(--nb-text); width: 100%; font-family: inherit; font-size: .9rem; transition: border-color .2s; outline: none; }
.nb-input:focus { border-color: var(--nb-accent); box-shadow: 0 0 0 3px rgba(29,111,164,.15); }
[data-theme="dark"] .nb-input { background: #0d1117; }

/* ===== LAYOUT ===== */
#app { display: flex; min-height: 100vh; }
.sidebar { width: var(--nb-sidebar-w); background: var(--nb-sidebar-bg); color: var(--nb-sidebar-text); position: fixed; top: 0; left: 0; height: 100vh; overflow-y: auto; z-index: 1000; display: flex; flex-direction: column; transition: transform .3s; }
.sidebar-header { padding: 1.5rem; border-bottom: 1px solid rgba(255,255,255,.1); }
.sidebar-logo { font-size: 1.4rem; font-weight: 700; color: #fff; letter-spacing: -0.5px; }
.sidebar-logo span { color: var(--nb-gold); }
.sidebar-user { padding: 1rem 1.5rem; border-bottom: 1px solid rgba(255,255,255,.1); }
.sidebar-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--nb-gold); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .9rem; color: var(--nb-primary); }
.sidebar nav { flex: 1; padding: .75rem 0; display: flex; flex-direction: column; }
.nav-section { padding: .25rem 1.5rem; font-size: .65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; color: rgba(255,255,255,.4); margin-top: .5rem; }
.nav-item { display: flex; align-items: center; gap: .75rem; padding: .65rem 1.5rem; font-size: .88rem; color: var(--nb-sidebar-text); cursor: pointer; transition: all .2s; border-left: 3px solid transparent; }
.nav-item:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav-item.active { background: rgba(255,255,255,.12); color: #fff; border-left-color: var(--nb-gold); font-weight: 600; }
.nav-item i { font-size: 1.05rem; width: 20px; }
.admin-badge { background: var(--nb-gold); color: var(--nb-primary); font-size: .6rem; font-weight: 700; padding: 1px 6px; border-radius: 20px; text-transform: uppercase; margin-left: auto; }
.main-content { margin-left: var(--nb-sidebar-w); flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
.topbar { background: var(--nb-card); border-bottom: 1px solid var(--nb-border); padding: .75rem 2rem; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 100; }
.topbar-title { font-size: 1.1rem; font-weight: 600; }
.page-content { padding: 2rem; flex: 1; }
@media (max-width: 992px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .topbar { padding: .75rem 1rem; }
  .page-content { padding: 1rem; }
}

/* ===== CARDS ===== */
.nb-card { background: var(--nb-card); border: 1px solid var(--nb-border); border-radius: 14px; padding: 1.5rem; transition: box-shadow .2s; }
.nb-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.08); }
.stat-card { background: linear-gradient(135deg, var(--nb-primary), var(--nb-accent)); color: #fff; border-radius: 14px; padding: 1.5rem; }
.stat-card.gold { background: linear-gradient(135deg, #7c5a1e, var(--nb-gold)); }
.stat-card.green { background: linear-gradient(135deg, #064e3b, var(--nb-success)); }
.stat-card.red { background: linear-gradient(135deg, #7f1d1d, var(--nb-danger)); }
.stat-value { font-size: 1.8rem; font-weight: 700; font-family: 'JetBrains Mono', monospace; }
.stat-label { font-size: .8rem; opacity: .8; margin-top: .25rem; }

/* ===== BANK CARD ===== */
.bank-card { border-radius: 16px; padding: 1.5rem; color: #fff; position: relative; overflow: hidden; min-height: 180px; cursor: pointer; transition: transform .2s; }
.bank-card:hover { transform: translateY(-3px); }
.bank-card.blue { background: linear-gradient(135deg, #0f2d52, #1d6fa4); }
.bank-card.dark { background: linear-gradient(135deg, #1a1a2e, #16213e); }
.bank-card.gold { background: linear-gradient(135deg, #7c5a1e, #c9a84c); }
.bank-card::after { content:''; position:absolute; width:250px; height:250px; border-radius:50%; background:rgba(255,255,255,.06); bottom:-80px; right:-80px; }
.bank-card::before { content:''; position:absolute; width:150px; height:150px; border-radius:50%; background:rgba(255,255,255,.04); top:-50px; left:50px; }
.card-chip { width: 40px; height: 30px; border-radius: 5px; background: var(--nb-gold); margin-bottom: 1rem; }
.card-number { font-family: 'JetBrains Mono', monospace; font-size: .95rem; letter-spacing: 2px; }
.card-name { font-size: .75rem; opacity: .8; text-transform: uppercase; letter-spacing: 1px; }

/* ===== TABLE ===== */
.nb-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.nb-table th { background: var(--nb-bg); padding: .75rem 1rem; font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .8px; color: var(--nb-muted); border-bottom: 2px solid var(--nb-border); }
.nb-table td { padding: .75rem 1rem; font-size: .88rem; border-bottom: 1px solid var(--nb-border); vertical-align: middle; }
.nb-table tr:last-child td { border-bottom: none; }
.nb-table tbody tr:hover td { background: var(--nb-light-accent); }
.nb-table .amount-pos { color: var(--nb-success); font-weight: 600; font-family: 'JetBrains Mono', monospace; }
.nb-table .amount-neg { color: var(--nb-danger); font-weight: 600; font-family: 'JetBrains Mono', monospace; }

/* ===== BADGES ===== */
.badge-status { padding: 3px 10px; border-radius: 20px; font-size: .72rem; font-weight: 600; display: inline-block; }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-frozen { background: #dbeafe; color: #1e40af; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-closed { background: #fee2e2; color: #991b1b; }
[data-theme="dark"] .badge-active { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .badge-frozen { background: #1e3a5f; color: #93c5fd; }
[data-theme="dark"] .badge-pending { background: #451a03; color: #fbbf24; }

/* ===== BUTTONS ===== */
.btn-nb { padding: .55rem 1.2rem; border-radius: 10px; font-size: .88rem; font-weight: 500; border: none; cursor: pointer; display: inline-flex; align-items: center; gap: .4rem; transition: all .2s; font-family: inherit; }
.btn-nb-primary { background: var(--nb-accent); color: #fff; }
.btn-nb-primary:hover { background: var(--nb-primary); }
.btn-nb-outline { background: transparent; border: 1.5px solid var(--nb-border); color: var(--nb-text); }
.btn-nb-outline:hover { border-color: var(--nb-accent); color: var(--nb-accent); }
.btn-nb-danger { background: var(--nb-danger); color: #fff; }
.btn-nb-success { background: var(--nb-success); color: #fff; }
.btn-nb-gold { background: var(--nb-gold); color: var(--nb-primary); }
.btn-nb-sm { padding: .3rem .7rem; font-size: .78rem; }

/* ===== MODAL ===== */
.nb-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 9998; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.nb-modal { background: var(--nb-card); border-radius: 16px; padding: 2rem; width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto; position: relative; z-index: 9999; animation: modalIn .2s ease; }
@keyframes modalIn { from { opacity:0; transform: scale(.95) translateY(10px); } to { opacity:1; transform: scale(1) translateY(0); } }
.nb-modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.nb-modal-title { font-size: 1.1rem; font-weight: 700; }
.nb-modal-close { background: var(--nb-bg); border: none; width: 32px; height: 32px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--nb-muted); font-size: 1rem; }
.nb-modal-close:hover { background: var(--nb-border); }

/* ===== TOAST ===== */
#toast-container { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 99999; display: flex; flex-direction: column; gap: .5rem; }
.toast-item { background: var(--nb-card); border-radius: 12px; padding: .75rem 1.2rem; box-shadow: 0 8px 25px rgba(0,0,0,.15); display: flex; align-items: center; gap: .75rem; font-size: .88rem; min-width: 260px; animation: toastIn .3s ease; border-left: 4px solid var(--nb-accent); }
.toast-item.success { border-left-color: var(--nb-success); }
.toast-item.error { border-left-color: var(--nb-danger); }
.toast-item.warning { border-left-color: var(--nb-warning); }
@keyframes toastIn { from { opacity:0; transform: translateX(30px); } to { opacity:1; transform: translateX(0); } }

/* ===== MISC ===== */
.progress-bar-custom { height: 6px; border-radius: 3px; background: var(--nb-border); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--nb-accent), var(--nb-gold)); transition: width .5s ease; }
.search-bar { border: 1.5px solid var(--nb-border); border-radius: 10px; padding: .5rem 1rem .5rem 2.5rem; background: var(--nb-bg); color: var(--nb-text); font-family: inherit; font-size: .88rem; width: 100%; outline: none; transition: border-color .2s; }
.search-bar:focus { border-color: var(--nb-accent); }
.search-wrap { position: relative; }
.search-wrap i { position: absolute; left: .8rem; top: 50%; transform: translateY(-50%); color: var(--nb-muted); pointer-events: none; }
.tab-nav { display: flex; gap: .25rem; border-bottom: 2px solid var(--nb-border); margin-bottom: 1.5rem; }
.tab-btn { padding: .6rem 1.2rem; font-size: .88rem; font-weight: 500; border: none; background: none; color: var(--nb-muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; font-family: inherit; transition: all .2s; }
.tab-btn.active { color: var(--nb-accent); border-bottom-color: var(--nb-accent); font-weight: 600; }
.empty-state { text-align: center; padding: 3rem; color: var(--nb-muted); }
.empty-state i { font-size: 3rem; margin-bottom: 1rem; display: block; }
canvas { max-width: 100%; }
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 999; }
@media (max-width:992px) { .sidebar-overlay.active { display: block; } }
label { font-size: .85rem; font-weight: 500; margin-bottom: .3rem; display: block; color: var(--nb-muted); }
select.nb-input option { background: var(--nb-card); }
.form-group { margin-bottom: 1rem; }
.admin-section { background: linear-gradient(90deg, #2d1b00, #7c5a1e); border-radius: 10px; padding: .75rem 1.25rem; margin-bottom: 1rem; display: flex; align-items: center; gap: .75rem; color: #fff; }
.notification-dot { width: 8px; height: 8px; background: var(--nb-danger); border-radius: 50%; position: absolute; top: 2px; right: 2px; }
.divider { border: none; border-top: 1px solid var(--nb-border); margin: 1.5rem 0; }
.chip { display: inline-flex; align-items: center; gap: .3rem; padding: .3rem .7rem; border-radius: 20px; font-size: .75rem; font-weight: 500; background: var(--nb-light-accent); color: var(--nb-accent); }
.loan-progress { margin: .5rem 0; }
.topbar-actions { display: flex; align-items: center; gap: .75rem; }
.icon-btn { width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--nb-border); background: var(--nb-bg); cursor: pointer; display: flex; align-items: center; justify-content: center; position: relative; color: var(--nb-text); transition: all .2s; }
.icon-btn:hover { border-color: var(--nb-accent); color: var(--nb-accent); }

.dash-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 992px) { .dash-grid { grid-template-columns: 1.6fr 1fr; gap: 1.25rem; } }
.dash-panel { background: var(--nb-card); border: 1px solid var(--nb-border); border-radius: 16px; padding: 1.25rem; }
.dash-title-row { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .75rem; }
.dash-title { font-size: 1.15rem; font-weight: 700; letter-spacing: -.3px; }
.dash-sub { font-size: .85rem; color: var(--nb-muted); }
.dash-tabs { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; margin-top: .6rem; }
.dash-tab { border: 1px solid var(--nb-border); background: var(--nb-bg); color: var(--nb-muted); padding: .35rem .65rem; border-radius: 999px; font-size: .78rem; cursor: pointer; transition: all .15s; }
.dash-tab.active { background: rgba(29,111,164,.12); border-color: rgba(29,111,164,.25); color: var(--nb-accent); font-weight: 600; }
.dash-actions { display: flex; gap: .5rem; flex-wrap: wrap; margin: .75rem 0 1rem; }
.dash-icon-action { display: inline-flex; align-items: center; gap: .5rem; border: 1px solid var(--nb-border); background: var(--nb-card); border-radius: 999px; padding: .45rem .7rem; font-size: .8rem; color: var(--nb-text); cursor: pointer; transition: all .15s; }
.dash-icon-action i { color: var(--nb-accent); }
.dash-icon-action:hover { border-color: rgba(29,111,164,.35); transform: translateY(-1px); }
.dash-search { width: min(340px, 100%); }
.dash-cards { display: flex; gap: .9rem; overflow-x: auto; padding: .25rem .1rem .7rem; scroll-snap-type: x mandatory; }
.dash-cards::-webkit-scrollbar { height: 10px; }
.dash-cards::-webkit-scrollbar-thumb { background: rgba(29,111,164,.18); border-radius: 999px; }
.dash-card { min-width: 290px; flex: 0 0 auto; border-radius: 18px; color: #fff; padding: 1.1rem 1.1rem 1rem; position: relative; overflow: hidden; scroll-snap-align: start; box-shadow: 0 18px 45px rgba(0,0,0,.18); cursor: pointer; }
.dash-card::after { content:''; position:absolute; width:260px; height:260px; border-radius:50%; background:rgba(255,255,255,.12); right:-130px; bottom:-150px; }
.dash-card::before { content:''; position:absolute; width:180px; height:180px; border-radius:50%; background:rgba(255,255,255,.07); left:-90px; top:-110px; }
.dash-card .label { font-size: .72rem; opacity: .85; }
.dash-card .bal { font-size: 1.5rem; font-weight: 800; letter-spacing: -.5px; }
.dash-card .num { font-size: .8rem; opacity: .9; letter-spacing: 1.8px; margin-top: .5rem; }
.dash-card .meta { display: flex; justify-content: space-between; align-items: flex-end; margin-top: 1rem; font-size: .78rem; opacity: .92; }
.dash-card.blue { background: linear-gradient(135deg, #0f2d52 0%, #1d6fa4 70%); }
.dash-card.purple { background: linear-gradient(135deg, #5b21b6 0%, #9333ea 65%); }
.dash-card.gold { background: linear-gradient(135deg, #7c5a1e 0%, #c9a84c 75%); color: #0f2d52; }
.dash-card.gold::after, .dash-card.gold::before { background: rgba(15,45,82,.08); }
.dash-analytics { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; align-items: stretch; margin-top: 1rem; }
@media (max-width: 575px) { .dash-analytics { grid-template-columns: 1fr; } }
.dash-mini { border: 1px solid var(--nb-border); border-radius: 16px; background: var(--nb-bg); padding: 1rem; }
.dash-mini h6 { font-size: .9rem; font-weight: 700; margin: 0 0 .75rem; }
.dash-legend { display: grid; grid-template-columns: 1fr; gap: .5rem; margin-top: .75rem; font-size: .8rem; color: var(--nb-muted); }
.dash-legend-item { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.dash-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: .5rem; }
.dash-offers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin-top: 1rem; }
@media (max-width: 991px) { .dash-offers { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 575px) { .dash-offers { grid-template-columns: 1fr; } }
.offer-card { border-radius: 16px; padding: 1rem; color: #fff; position: relative; overflow: hidden; min-height: 92px; }
.offer-card::after { content:''; position:absolute; width:160px; height:160px; border-radius:50%; background:rgba(255,255,255,.16); right:-80px; top:-90px; }
.offer-card .t1 { font-weight: 800; }
.offer-card .t2 { font-size: .78rem; opacity: .9; margin-top: .15rem; }
.offer-card.yellow { background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 70%); color: #0f2d52; }
.offer-card.teal { background: linear-gradient(135deg, #14b8a6 0%, #2dd4bf 70%); }
.offer-card.violet { background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 70%); }
.txn-panel { padding: 1rem; }
.txn-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .75rem; }
.txn-head h6 { margin: 0; font-weight: 800; }
.txn-list { display: flex; flex-direction: column; gap: .6rem; }
.txn-item { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .75rem .75rem; border: 1px solid var(--nb-border); border-radius: 14px; background: var(--nb-bg); }
.txn-ico { width: 38px; height: 38px; border-radius: 12px; background: rgba(29,111,164,.12); color: var(--nb-accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.txn-meta { display: flex; flex-direction: column; min-width: 0; }
.txn-desc { font-weight: 700; font-size: .88rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 220px; }
.txn-sub { font-size: .75rem; color: var(--nb-muted); }
.txn-amt { font-weight: 800; font-size: .88rem; white-space: nowrap; }
.txn-amt.pos { color: var(--nb-success); }
.txn-amt.neg { color: var(--nb-danger); }