/* ============================================================
   PUBG POP Management System — Main Stylesheet
   Design: Dark tactical theme, amber/gold accent, monospace data
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Palette */
  --bg-base:      #0a0c10;
  --bg-surface:   #111520;
  --bg-card:      #161b27;
  --bg-card-hover:#1c2235;
  --border:       #252d40;
  --border-light: #2e3850;

  --accent:       #f5a623;
  --accent-dim:   #c8871c;
  --accent-glow:  rgba(245,166,35,0.15);
  --accent-text:  #ffc14d;

  --danger:       #e53e3e;
  --danger-dim:   rgba(229,62,62,0.15);
  --success:      #38a169;
  --success-dim:  rgba(56,161,105,0.15);
  --info:         #3182ce;
  --info-dim:     rgba(49,130,206,0.15);
  --warning:      #d69e2e;

  --text-primary:   #e8eaf0;
  --text-secondary: #8b93a8;
  --text-muted:     #546078;
  --text-inverse:   #0a0c10;

  /* Type */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Radius */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;

  /* Spacing */
  --gap: 16px;
  --gap-lg: 24px;
  --gap-xl: 32px;

  /* Shadows */
  --shadow-card: 0 2px 8px rgba(0,0,0,0.4), 0 0 0 1px var(--border);
  --shadow-glow: 0 0 20px var(--accent-glow);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; }

.mono { font-family: var(--font-mono); }
.text-accent { color: var(--accent-text); }
.text-muted  { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }

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

.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform 0.25s ease;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo .logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent-text);
  text-decoration: none;
}

.sidebar-logo .logo-icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  font-size: 0.9rem;
  color: var(--text-inverse);
  font-weight: 800;
}

.sidebar-user {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-user .user-name {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user .user-role {
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.nav-section-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 10px 20px 4px;
  font-weight: 600;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}

.nav-item:hover {
  color: var(--text-primary);
  background: var(--bg-card);
  border-left-color: var(--border-light);
}

.nav-item.active {
  color: var(--accent-text);
  background: var(--accent-glow);
  border-left-color: var(--accent);
}

.nav-item .nav-icon {
  width: 18px;
  text-align: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}

.main-content {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--gap-lg);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-content {
  padding: var(--gap-lg);
  flex: 1;
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--gap-lg);
}

.card-sm { padding: var(--gap); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--gap);
  padding-bottom: var(--gap);
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Stat Cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--gap);
  margin-bottom: var(--gap-lg);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--gap);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}

.stat-card.accent::before { background: var(--accent); }
.stat-card.success::before { background: var(--success); }
.stat-card.danger::before  { background: var(--danger); }
.stat-card.info::before    { background: var(--info); }

.stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 6px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  white-space: nowrap;
  line-height: 1.4;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: var(--text-inverse);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--border);
  color: var(--text-primary);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--border-light);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover:not(:disabled) { background: #c53030; }

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover:not(:disabled) { background: #276749; }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.btn-sm { padding: 5px 10px; font-size: 0.78rem; }
.btn-lg { padding: 11px 22px; font-size: 0.95rem; }
.btn-icon { padding: 7px; }

.btn-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ── Forms ── */
.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input, select, textarea {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 9px 12px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  transition: border-color 0.15s;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input[type="number"] { font-family: var(--font-mono); }

select option { background: var(--bg-surface); }

.input-group {
  display: flex;
  gap: 0;
}
.input-group input { border-radius: var(--r-md) 0 0 var(--r-md); }
.input-group .btn { border-radius: 0 var(--r-md) var(--r-md) 0; flex-shrink: 0; }

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: 0.75rem;
  color: var(--danger);
  margin-top: 4px;
}

/* ── Tables ── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

thead {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}

th {
  padding: 10px 14px;
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }

tbody tr {
  transition: background 0.1s;
}

tbody tr:hover { background: var(--bg-card-hover); }

.td-mono { font-family: var(--font-mono); font-size: 0.82rem; }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.badge-success { background: var(--success-dim); color: var(--success); }
.badge-danger  { background: var(--danger-dim);  color: var(--danger); }
.badge-info    { background: var(--info-dim);     color: var(--info); }
.badge-accent  { background: var(--accent-glow);  color: var(--accent); }
.badge-muted   { background: var(--border);       color: var(--text-secondary); }
.badge-warning { background: rgba(214,158,46,0.15); color: var(--warning); }

/* ── Toggle ── */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border-light);
  border-radius: 22px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(18px); }

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--gap-lg);
}

.tab-btn {
  padding: 9px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  margin-bottom: -1px;
}

.tab-btn:hover { color: var(--text-primary); }

.tab-btn.active {
  color: var(--accent-text);
  border-bottom-color: var(--accent);
}

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Alerts ── */
.alert {
  padding: 12px 16px;
  border-radius: var(--r-md);
  font-size: 0.85rem;
  border-left: 3px solid;
  margin-bottom: var(--gap);
}

.alert-success { background: var(--success-dim); border-color: var(--success); color: var(--success); }
.alert-danger  { background: var(--danger-dim);  border-color: var(--danger);  color: var(--danger); }
.alert-info    { background: var(--info-dim);     border-color: var(--info);    color: var(--info); }
.alert-warning { background: rgba(214,158,46,0.15); border-color: var(--warning); color: var(--warning); }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 16px;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.modal-body { padding: 22px; }
.modal-footer { padding: 16px 22px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  padding: 4px;
  border-radius: var(--r-sm);
  transition: color 0.15s;
}
.modal-close:hover { color: var(--text-primary); }

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.page-btn {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}

.page-btn:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.page-btn.active { background: var(--accent); color: var(--text-inverse); border-color: var(--accent); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Page Header ── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--gap-lg);
  gap: var(--gap);
  flex-wrap: wrap;
}

.page-header-left h2 { color: var(--text-primary); }
.page-header-left p { color: var(--text-muted); font-size: 0.85rem; margin-top: 3px; }

/* ── Filter Bar ── */
.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--gap);
  margin-bottom: var(--gap-lg);
  display: flex;
  gap: var(--gap);
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-bar .form-group { margin-bottom: 0; min-width: 160px; }
.filter-bar select,
.filter-bar input { background: var(--bg-surface); }

/* ── POP Display ── */
.pop-breakdown {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pop-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
  border: 1px solid;
}

.pop-pill.card  { background: rgba(49,130,206,0.12); border-color: rgba(49,130,206,0.3); color: #63b3ed; }
.pop-pill.heli  { background: rgba(56,161,105,0.12); border-color: rgba(56,161,105,0.3); color: #68d391; }
.pop-pill.mix   { background: rgba(245,166,35,0.12); border-color: rgba(245,166,35,0.3); color: var(--accent-text); }
.pop-pill.gem   { background: rgba(159,122,234,0.12); border-color: rgba(159,122,234,0.3); color: #b794f4; }
.pop-pill.mini  { background: rgba(237,137,54,0.12); border-color: rgba(237,137,54,0.3); color: #fbd38d; }

/* ── UC Credit/Debit colors ── */
.amount-credit { color: var(--success); font-weight: 600; }
.amount-debit  { color: var(--danger);  font-weight: 600; }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state p { font-size: 0.9rem; }

/* ── Hamburger (mobile) ── */
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 6px;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,0.5);
  }
  .main-content {
    margin-left: 0;
  }
  .hamburger { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .page-content { padding: var(--gap); }
  .stats-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .card { padding: var(--gap); }
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.2rem; }
  .modal { max-width: 100%; margin: 0; max-height: 100vh; border-radius: var(--r-lg) var(--r-lg) 0 0; }
  .modal-overlay { align-items: flex-end; }
}

/* ── Overlay for mobile sidebar ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}
.sidebar-overlay.open { display: block; }

/* ── Loading spinner ── */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast notifications ── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 320px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 12px 16px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  animation: toastIn 0.25s ease;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.info    { border-left: 3px solid var(--info); }

/* ── Landing page only ── */
.landing-page { background: var(--bg-base); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }