/* ============ Client Area + Admin Panel ============ */
:root {
  --primary: #16a34a; --dark: #064e3b; --accent: #84cc16;
  --ink: #0f172a; --text: #334155; --muted: #94a3b8; --line: #e2e8f0;
  --bg: #f1f5f9; --radius: 14px; --sb: 250px;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, "Hind Siliguri", sans-serif; font-size: 15px; color: var(--text); background: var(--bg); line-height: 1.55; }
a { color: var(--primary); text-decoration: none; }
h1, h2, h3 { color: var(--ink); margin: 0 0 .6em; line-height: 1.25; }
.muted { color: var(--muted); }

/* sidebar */
.sidebar { position: fixed; inset: 0 auto 0 0; width: var(--sb); background: var(--dark); color: rgba(255,255,255,.75); display: flex; flex-direction: column; z-index: 60; transition: transform .25s; }
.admin-panel .sidebar { background: #0f172a; }
.sb-logo { display: flex; align-items: center; gap: 8px; padding: 20px 22px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sb-logo img { max-height: 38px; }
.logo-text { font-size: 25px; font-weight: 800; letter-spacing: -1px; color: #fff; }
.logo-text b { color: var(--accent); }
.sb-logo small { background: var(--primary); color: #fff; font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 6px; letter-spacing: 1px; }
.sb-nav { flex: 1; overflow-y: auto; padding: 10px 0; scrollbar-width: thin; }
.sb-label { font-size: 11px; font-weight: 700; letter-spacing: 1.2px; color: rgba(255,255,255,.4); padding: 16px 22px 6px; }
.sb-item { display: flex; align-items: center; gap: 13px; padding: 10px 22px; color: rgba(255,255,255,.8); font-weight: 500; font-size: 14.5px; border-left: 3px solid transparent; }
.sb-item i { width: 18px; text-align: center; }
.sb-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.sb-item.active { background: rgba(255,255,255,.1); color: #fff; border-left-color: var(--accent); }
.sb-item em { font-style: normal; background: #ef4444; color: #fff; font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 10px; margin-left: 6px; }
.sb-user { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.08); background: rgba(0,0,0,.12); }
.sb-user b { display: block; color: #fff; font-size: 14px; }
.sb-user small { color: var(--accent); font-size: 12px; }
.avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 700; flex-shrink: 0; }
.sb-logout { margin-left: auto; color: rgba(255,255,255,.6); }
.sb-logout:hover { color: #fff; }
.sb-overlay { display: none; }

.panel-main { margin-left: var(--sb); min-height: 100vh; }
.panel-body { padding: 30px 32px 60px; max-width: 1280px; }
.page-title { border-bottom: 1px solid var(--line); margin-bottom: 26px; position: relative; }
.page-title h1 { font-size: 24px; font-weight: 700; padding-bottom: 14px; margin: 0; }
.page-title::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 60px; height: 3px; background: var(--primary); }
.mobile-bar { display: none; }

/* cards */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 24px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 22px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.card-head h3 { margin: 0; font-size: 16px; display: flex; align-items: center; gap: 10px; }
.card-head h3 i { color: var(--primary); }
.card-body { padding: 22px; }
.grid { display: grid; gap: 20px; }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g-side { grid-template-columns: 2fr 1fr; align-items: start; }

.stat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.stat-top { display: flex; align-items: center; gap: 12px; border-bottom: 3px solid var(--c); padding-bottom: 14px; margin-bottom: 12px; }
.stat-top i { font-size: 26px; color: var(--c); }
.stat-top span { font-weight: 600; color: var(--ink); }
.stat-top b { margin-left: auto; font-size: 30px; color: var(--ink); font-weight: 800; }
.stat-card a { display: block; text-align: center; font-weight: 600; font-size: 14px; color: var(--c); }

.quick { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.quick a { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 10px; padding: 14px; color: var(--ink); font-weight: 600; font-size: 14px; }
.quick a:hover { border-color: var(--primary); color: var(--primary); }
.quick i { color: var(--primary); }

/* tables */
.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: #64748b; background: #f8fafc; padding: 12px 16px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl td { padding: 13px 16px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
.tbl tr:hover td { background: #fafcff; }
.tbl td b { color: var(--ink); }
.tbl .actions { white-space: nowrap; text-align: right; }
.tbl .actions form { display: inline; }
.days { display: inline-block; background: #ecfdf5; color: #059669; font-weight: 600; font-size: 11px; padding: 1px 8px; border-radius: 10px; }
.days.over { background: #fef2f2; color: #dc2626; }
.empty-row { text-align: center; color: var(--muted); padding: 34px !important; }

/* badges */
.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 3px 11px; border-radius: 20px; background: #f1f5f9; color: #475569; white-space: nowrap; }
.b-active, .b-paid, .b-answered { background: #dcfce7; color: #15803d; }
.b-pending, .b-unpaid, .b-open, .b-customerreply { background: #fef3c7; color: #b45309; }
.b-suspended, .b-cancelled, .b-expired, .b-terminated, .b-high, .b-closed, .b-inactive { background: #fee2e2; color: #b91c1c; }
.b-closed { background: #e2e8f0; color: #475569; }
.b-refunded, .b-transferred { background: #e0e7ff; color: #4338ca; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 9px 16px; border-radius: 9px; border: 1px solid transparent; font: 600 14px Inter, sans-serif; cursor: pointer; background: #e2e8f0; color: var(--ink); text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-dark { background: var(--dark); color: #fff; }
.btn-danger { background: #fee2e2; color: #b91c1c; }
.btn-light { background: #fff; border-color: var(--line); color: var(--ink); }
.btn:hover { filter: brightness(.96); }
.btn-sm { padding: 5px 11px; font-size: 13px; border-radius: 7px; }
.btn-block { width: 100%; }

/* forms */
label { display: block; font-weight: 600; font-size: 14px; color: var(--ink); margin-bottom: 16px; }
label small { font-weight: 400; color: var(--muted); }
input, select, textarea { display: block; width: 100%; margin-top: 6px; padding: 10px 13px; border: 1px solid #cbd5e1; border-radius: 9px; font: 15px Inter, "Hind Siliguri", sans-serif; color: var(--ink); background: #fff; }
input:focus, select:focus, textarea:focus { outline: 0; border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent); }
textarea { min-height: 110px; resize: vertical; }
input[type=checkbox] { display: inline-block; width: auto; margin: 0 8px 0 0; }
input[type=color] { height: 44px; padding: 4px; }
.check { display: flex; align-items: center; font-weight: 500; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.toolbar input, .toolbar select { margin: 0; width: auto; }
.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-tabs a { padding: 6px 14px; border-radius: 8px; font-weight: 600; font-size: 13px; color: var(--text); background: #f1f5f9; }
.filter-tabs a.active { background: var(--dark); color: #fff; }

.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-weight: 500; }
.alert-success { background: #dcfce7; color: #166534; }
.alert-danger { background: #fee2e2; color: #991b1b; }
.alert-info { background: #e0f2fe; color: #075985; }

/* invoice */
.invoice-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.inv-head { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 26px; }
.inv-head h2 { font-size: 26px; }
.inv-total td { font-weight: 800; font-size: 17px; color: var(--ink); }
.pay-box { background: #f8fafc; border: 1px dashed #cbd5e1; border-radius: 12px; padding: 20px; margin-top: 24px; white-space: pre-line; }

/* tickets */
.msg { border: 1px solid var(--line); border-radius: 12px; margin-bottom: 16px; background: #fff; }
.msg-head { display: flex; justify-content: space-between; padding: 12px 18px; border-bottom: 1px solid var(--line); background: #f8fafc; border-radius: 12px 12px 0 0; font-size: 14px; }
.msg.staff { border-color: color-mix(in srgb, var(--primary) 40%, #fff); }
.msg.staff .msg-head { background: color-mix(in srgb, var(--primary) 9%, #fff); }
.msg-body { padding: 18px; white-space: pre-wrap; word-break: break-word; }

/* cart */
.cart-layout { display: grid; grid-template-columns: 240px 1fr; gap: 24px; align-items: start; }
.cat-list a { display: block; padding: 11px 14px; border: 1px solid var(--line); border-radius: 9px; margin-bottom: 8px; background: #fff; color: var(--text); font-weight: 600; font-size: 13px; text-transform: uppercase; }
.cat-list a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.prod-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: flex; flex-direction: column; }
.prod-card .tagc { align-self: flex-start; background: #ecfdf5; color: var(--primary); font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 6px; margin-bottom: 8px; text-transform: uppercase; }
.prod-card h3 { font-size: 17px; margin-bottom: 6px; }
.prod-card .pp { font-size: 26px; font-weight: 800; color: var(--ink); margin: 6px 0 12px; }
.prod-card .pp small { font-size: 13px; color: var(--muted); font-weight: 500; }
.prod-card ul { list-style: none; padding: 0; margin: 0 0 16px; font-size: 13.5px; flex: 1; }
.prod-card li { padding: 4px 0; }
.prod-card li i { color: var(--primary); margin-right: 6px; }
.summary-row { display: flex; justify-content: space-between; padding: 8px 0; }
.summary-total { font-size: 20px; font-weight: 800; color: var(--ink); border-top: 2px solid var(--line); margin-top: 8px; padding-top: 14px; }

/* auth */
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 30px 16px;
  background: radial-gradient(900px 400px at 10% 0%, color-mix(in srgb, var(--primary) 30%, transparent), transparent), linear-gradient(135deg, var(--dark), #0f172a); }
.auth-card { width: 100%; max-width: 440px; background: #fff; border-radius: 20px; padding: 36px 34px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.5); }
.auth-card.wide { max-width: 640px; }
.auth-card .logo-text { color: var(--dark); font-size: 30px; display: block; text-align: center; margin-bottom: 14px; }
.auth-card .logo-text b { color: var(--primary); }
.auth-card h1 { text-align: center; font-size: 22px; }
.auth-card .muted { text-align: center; margin-top: -6px; margin-bottom: 22px; }
.auth-foot { text-align: center; margin-top: 18px; font-size: 14px; }

.kv { display: grid; grid-template-columns: 160px 1fr; gap: 10px 16px; }
.kv dt { color: var(--muted); font-weight: 500; }
.kv dd { margin: 0; color: var(--ink); font-weight: 600; }
.pagination { display: flex; gap: 6px; justify-content: flex-end; padding: 14px 18px; }
.pagination a, .pagination span { padding: 5px 12px; border: 1px solid var(--line); border-radius: 7px; font-size: 13px; color: var(--text); }
.pagination span { background: var(--dark); color: #fff; }
.help { font-size: 12.5px; color: var(--muted); font-weight: 400; display: block; margin-top: 4px; }

@media (max-width: 1100px) { .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: none; }
  .sb-overlay.show { display: block; position: fixed; inset: 0; background: rgba(15,23,42,.5); z-index: 55; }
  .panel-main { margin-left: 0; }
  .mobile-bar { display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 50; background: var(--dark); color: #fff; padding: 12px 16px; font-weight: 600; }
  .admin-panel .mobile-bar { background: #0f172a; }
  .mobile-bar button, .mobile-bar a { background: none; border: 0; color: #fff; font-size: 18px; cursor: pointer; }
  .panel-body { padding: 22px 16px 50px; }
  .g3, .g2, .g-side, .form-grid, .cart-layout { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; gap: 2px; }
  .kv dd { margin-bottom: 10px; }
  .invoice-box { padding: 20px; }
}
@media (max-width: 560px) { .g4 { grid-template-columns: 1fr; } }