/* ═══════════════════════════════════════════════════════════════
   Ultimate SMM Panel Pro – Frontend CSS + Dynamic Theme System
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Variables – Light Theme (default) ───────────────────── */
:root,
[data-theme="light"] {
  --usmm-primary:      #0d6efd;
  --usmm-primary-rgb:  13, 110, 253;
  --usmm-success:      #22c55e;
  --usmm-warning:      #f59e0b;
  --usmm-danger:       #ef4444;
  --usmm-info:         #0ea5e9;

  /* Sidebar */
  --usmm-sidebar-bg:       #0f172a;
  --usmm-sidebar-text:     #94a3b8;
  --usmm-sidebar-active:   #3b82f6;
  --usmm-sidebar-hover-bg: rgba(255,255,255,.06);
  --usmm-sidebar-w:        260px;

  /* Body / Surface */
  --usmm-body-bg:      #f1f5f9;
  --usmm-card-bg:      #ffffff;
  --usmm-card-bg-2:    #f8fafc;
  --usmm-text:         #1e293b;
  --usmm-text-soft:    #334155;
  --usmm-muted:        #64748b;
  --usmm-border:       #e2e8f0;
  --usmm-input-bg:     #f8fafc;
  --usmm-table-head:   #f1f5f9;
  --usmm-table-hover:  rgba(13,110,253,.03);
  --usmm-shadow:       0 1px 3px rgba(0,0,0,.07), 0 4px 16px rgba(0,0,0,.04);
  --usmm-shadow-md:    0 4px 20px rgba(0,0,0,.10);
  --usmm-radius:       12px;
  --usmm-radius-sm:    8px;
  --usmm-transition:   0.22s ease;
}

/* ── Dark Theme Override ─────────────────────────────────────── */
[data-theme="dark"] {
  --usmm-body-bg:      #0a0e1a;
  --usmm-card-bg:      #141927;
  --usmm-card-bg-2:    #1a2035;
  --usmm-text:         #e2e8f0;
  --usmm-text-soft:    #cbd5e1;
  --usmm-muted:        #64748b;
  --usmm-border:       #1e2d45;
  --usmm-input-bg:     #0f172a;
  --usmm-table-head:   #141927;
  --usmm-table-hover:  rgba(255,255,255,.02);
  --usmm-shadow:       0 1px 3px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.2);
  --usmm-shadow-md:    0 4px 20px rgba(0,0,0,.4);
}

/* ── Base ───────────────────────────────────────────────────── */
#usmm-panel * { box-sizing: border-box; }

#usmm-panel {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--usmm-text);
  background: var(--usmm-body-bg);
  min-height: 100vh;
  transition: background var(--usmm-transition), color var(--usmm-transition);
}

/* ── Layout ─────────────────────────────────────────────────── */
.usmm-layout { min-height: 100vh; }

/* ── Sidebar ─────────────────────────────────────────────────── */
.usmm-sidebar {
  width: var(--usmm-sidebar-w);
  min-height: 100vh;
  height: 100vh;
  position: sticky;
  top: 0;
  background: var(--usmm-sidebar-bg);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
  z-index: 100;
  transition: transform var(--usmm-transition), width var(--usmm-transition);
}

/* Dark mode sidebar gets a slight tint */
[data-theme="dark"] .usmm-sidebar {
  background: #060b14;
  border-right: 1px solid rgba(255,255,255,.04);
}

/* Scrollbar */
.usmm-sidebar::-webkit-scrollbar { width: 3px; }
.usmm-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 2px; }

.usmm-sidebar-header {
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  flex-shrink: 0;
}

.usmm-avatar { display: flex; align-items: center; gap: 12px; }
.usmm-avatar img { width: 48px; height: 48px; border: 2px solid rgba(255,255,255,.15); }
.usmm-avatar-info { flex: 1; min-width: 0; color: #fff; }
.usmm-avatar-info .fw-bold { font-size: .9rem; }

.usmm-balance-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(34,197,94,.12);
  color: #4ade80;
  font-size: .78rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  margin-top: 4px;
  border: 1px solid rgba(34,197,94,.2);
}

/* ── Navigation ─────────────────────────────────────────────── */
.usmm-nav { padding: 10px 0; flex: 1; }

.usmm-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  color: var(--usmm-sidebar-text);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  transition: all var(--usmm-transition);
  border-left: 3px solid transparent;
  cursor: pointer;
  background: none;
  border-right: none;
  border-top: none;
  border-bottom: none;
  width: 100%;
  text-align: left;
  white-space: nowrap;
}

.usmm-nav-link i { font-size: 1rem; width: 20px; flex-shrink: 0; }

.usmm-nav-link:hover {
  color: #fff;
  background: var(--usmm-sidebar-hover-bg);
  text-decoration: none;
  border-left-color: rgba(255,255,255,.15);
}

.usmm-nav-link.active {
  color: #fff;
  background: rgba(59,130,246,.18);
  border-left-color: var(--usmm-sidebar-active);
}

.usmm-nav-divider {
  height: 1px;
  background: rgba(255,255,255,.07);
  margin: 8px 16px;
}

.usmm-nav-section-label {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,.25);
  padding: 12px 20px 4px;
}

.usmm-sidebar-footer {
  padding: 8px 0;
  border-top: 1px solid rgba(255,255,255,.07);
  flex-shrink: 0;
}

/* ── Main Content ───────────────────────────────────────────── */
.usmm-main {
  background: var(--usmm-body-bg);
  min-height: 100vh;
  padding: 28px;
  overflow-x: hidden;
  flex: 1;
  transition: background var(--usmm-transition);
}

/* ── Mobile Top Bar ─────────────────────────────────────────── */
.usmm-mobile-topbar {
  background: #0f172a;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 200;
  height: 56px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

[data-theme="dark"] .usmm-mobile-topbar { background: #060b14; }

.usmm-sidebar-toggle {
  background: none;
  border: none;
  color: #fff;
  padding: 8px;
  cursor: pointer;
}

/* Mobile overlay */
.usmm-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 99;
  backdrop-filter: blur(2px);
}
.usmm-sidebar-overlay.active { display: block; }

/* ── Page Header ─────────────────────────────────────────────── */
.usmm-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.usmm-page-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--usmm-text);
  margin: 0;
}

/* ── Cards ───────────────────────────────────────────────────── */
.usmm-card {
  background: var(--usmm-card-bg);
  border-radius: var(--usmm-radius);
  box-shadow: var(--usmm-shadow);
  border: 1px solid var(--usmm-border);
  overflow: hidden;
  transition: background var(--usmm-transition), border-color var(--usmm-transition);
}

.usmm-card-header {
  padding: 16px 20px;
  font-weight: 600;
  font-size: .92rem;
  border-bottom: 1px solid var(--usmm-border);
  background: var(--usmm-card-bg);
  color: var(--usmm-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--usmm-transition);
}

/* ── Stat Cards ──────────────────────────────────────────────── */
.usmm-stat-card {
  border-radius: var(--usmm-radius);
  padding: 20px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--usmm-shadow-md);
  transition: transform var(--usmm-transition), box-shadow var(--usmm-transition);
  position: relative;
  overflow: hidden;
}

.usmm-stat-card::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  right: -20px;
  top: -20px;
}

.usmm-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,.2);
}

.usmm-stat-card .stat-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(255,255,255,.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.usmm-stat-card .stat-value {
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.5px;
}

.usmm-stat-card .stat-label {
  font-size: .78rem;
  opacity: .82;
  margin-top: 5px;
  font-weight: 500;
}

/* ── Gradient Presets ────────────────────────────────────────── */
.gradient-blue   { background: linear-gradient(135deg, #1a73e8, #0ea5e9); }
.gradient-green  { background: linear-gradient(135deg, #16a34a, #22c55e); }
.gradient-orange { background: linear-gradient(135deg, #ea580c, #f59e0b); }
.gradient-purple { background: linear-gradient(135deg, #7c3aed, #a855f7); }
.gradient-pink   { background: linear-gradient(135deg, #db2777, #f472b6); }
.gradient-teal   { background: linear-gradient(135deg, #0d9488, #14b8a6); }

/* ── Inputs ──────────────────────────────────────────────────── */
.usmm-input,
.usmm-select {
  background: var(--usmm-input-bg) !important;
  color: var(--usmm-text) !important;
  border: 1.5px solid var(--usmm-border) !important;
  border-radius: var(--usmm-radius-sm) !important;
  padding: 10px 14px;
  font-size: .9rem;
  width: 100%;
  transition: border-color var(--usmm-transition), box-shadow var(--usmm-transition),
              background var(--usmm-transition), color var(--usmm-transition);
}

.usmm-input:focus,
.usmm-select:focus {
  border-color: var(--usmm-primary) !important;
  box-shadow: 0 0 0 3px rgba(var(--usmm-primary-rgb), .15) !important;
  outline: none;
}

.usmm-input::placeholder { color: var(--usmm-muted); }

/* Input group dark fixes */
[data-theme="dark"] .input-group-text {
  background: var(--usmm-input-bg);
  border-color: var(--usmm-border);
  color: var(--usmm-muted);
}

[data-theme="dark"] .btn-outline-secondary {
  border-color: var(--usmm-border);
  color: var(--usmm-muted);
}

[data-theme="dark"] .form-check-label { color: var(--usmm-text); }

/* ── Tables ──────────────────────────────────────────────────── */
.usmm-table { font-size: .87rem; width: 100%; }

.usmm-table thead th {
  background: var(--usmm-table-head);
  color: var(--usmm-muted);
  font-weight: 700;
  text-transform: uppercase;
  font-size: .72rem;
  letter-spacing: .6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--usmm-border);
  white-space: nowrap;
  transition: background var(--usmm-transition);
}

.usmm-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--usmm-border);
  vertical-align: middle;
  color: var(--usmm-text);
  transition: background var(--usmm-transition), color var(--usmm-transition);
}

.usmm-table tbody tr:last-child td { border-bottom: none; }

.usmm-table tbody tr:hover td {
  background: var(--usmm-table-hover);
}

/* ── Badge ───────────────────────────────────────────────────── */
.badge { font-size: .73em; letter-spacing: .2px; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-xs { font-size: .74rem; padding: 3px 9px; }

/* ── Balance Pill ────────────────────────────────────────────── */
.usmm-balance-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(34,197,94,.1);
  color: #16a34a;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: .88rem;
  border: 1.5px solid rgba(34,197,94,.2);
}
[data-theme="dark"] .usmm-balance-pill {
  background: rgba(34,197,94,.08);
  color: #4ade80;
}

/* ── Payment Method Selector ─────────────────────────────────── */
.usmm-payment-method {
  border: 2px solid var(--usmm-border);
  border-radius: 10px;
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  font-size: .85rem;
  font-weight: 600;
  color: var(--usmm-text);
  background: var(--usmm-card-bg);
  transition: all var(--usmm-transition);
}
.usmm-payment-method:hover { border-color: var(--usmm-primary); background: rgba(var(--usmm-primary-rgb),.04); }
.usmm-payment-method.active {
  border-color: var(--usmm-primary);
  background: rgba(var(--usmm-primary-rgb),.08);
  color: var(--usmm-primary);
  box-shadow: 0 0 0 3px rgba(var(--usmm-primary-rgb),.12);
}

/* ── Price Summary ───────────────────────────────────────────── */
.usmm-price-summary {
  background: var(--usmm-card-bg-2);
  border: 1px solid var(--usmm-border);
  border-radius: 10px;
  padding: 16px;
  font-size: .9rem;
}

/* ── Toast Notifications ─────────────────────────────────────── */
.usmm-toast {
  min-width: 290px;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  animation: toastIn .3s ease;
}
@keyframes toastIn { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }

/* ── Theme Toggle Button (in sidebar) ───────────────────────── */
.usmm-theme-toggle { user-select: none; }

/* ── Fade-in animation ───────────────────────────────────────── */
@keyframes usmmFadeUp { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:translateY(0); } }
.usmm-card, .usmm-stat-card { animation: usmmFadeUp .3s ease; }

/* ── Alert dark overrides ────────────────────────────────────── */
[data-theme="dark"] .alert-info    { background: #0c2340; border-color: #1a4060; color: #7dd3fc; }
[data-theme="dark"] .alert-success { background: #0a2e1a; border-color: #15532d; color: #86efac; }
[data-theme="dark"] .alert-warning { background: #2d1f00; border-color: #854d0e; color: #fde68a; }
[data-theme="dark"] .alert-danger  { background: #2d0a0a; border-color: #7f1d1d; color: #fca5a5; }

/* ── Dark Bootstrap overrides ────────────────────────────────── */
[data-theme="dark"] .modal-content {
  background: var(--usmm-card-bg);
  color: var(--usmm-text);
  border-color: var(--usmm-border);
}
[data-theme="dark"] .modal-header { border-color: var(--usmm-border); }
[data-theme="dark"] .modal-footer { border-color: var(--usmm-border); }
[data-theme="dark"] .list-group-item {
  background: var(--usmm-card-bg);
  border-color: var(--usmm-border);
  color: var(--usmm-text);
}
[data-theme="dark"] .list-group-item:hover { background: var(--usmm-card-bg-2); }
[data-theme="dark"] .card { background: var(--usmm-card-bg); border-color: var(--usmm-border); }
[data-theme="dark"] .card-header { background: var(--usmm-card-bg); border-color: var(--usmm-border); color: var(--usmm-text); }
[data-theme="dark"] .dropdown-menu { background: var(--usmm-card-bg); border-color: var(--usmm-border); }
[data-theme="dark"] .dropdown-item { color: var(--usmm-text); }
[data-theme="dark"] .dropdown-item:hover { background: var(--usmm-card-bg-2); }
[data-theme="dark"] .nav-tabs { border-color: var(--usmm-border); }
[data-theme="dark"] .nav-tabs .nav-link { color: var(--usmm-muted); border-color: transparent; }
[data-theme="dark"] .nav-tabs .nav-link.active {
  background: var(--usmm-card-bg);
  border-color: var(--usmm-border) var(--usmm-border) var(--usmm-card-bg);
  color: var(--usmm-primary);
}
[data-theme="dark"] .table { color: var(--usmm-text); }
[data-theme="dark"] .table-light { background: var(--usmm-table-head); color: var(--usmm-text); }
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background: var(--usmm-input-bg);
  border-color: var(--usmm-border);
  color: var(--usmm-text);
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus { background: var(--usmm-input-bg); color: var(--usmm-text); }
[data-theme="dark"] .form-text { color: var(--usmm-muted); }
[data-theme="dark"] .text-muted { color: var(--usmm-muted) !important; }
[data-theme="dark"] .text-dark  { color: var(--usmm-text) !important; }
[data-theme="dark"] .bg-light   { background: var(--usmm-card-bg-2) !important; }
[data-theme="dark"] .border     { border-color: var(--usmm-border) !important; }
[data-theme="dark"] .border-top { border-top-color: var(--usmm-border) !important; }
[data-theme="dark"] .border-bottom { border-bottom-color: var(--usmm-border) !important; }
[data-theme="dark"] pre, [data-theme="dark"] code {
  background: var(--usmm-card-bg-2);
  color: #93c5fd;
  border-radius: 4px;
  padding: 2px 6px;
}
[data-theme="dark"] hr { border-color: var(--usmm-border); }
[data-theme="dark"] .pagination .page-link {
  background: var(--usmm-card-bg);
  border-color: var(--usmm-border);
  color: var(--usmm-text);
}
[data-theme="dark"] .pagination .page-item.active .page-link {
  background: var(--usmm-primary);
  border-color: var(--usmm-primary);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .usmm-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    transform: translateX(-100%);
    box-shadow: 4px 0 20px rgba(0,0,0,.3);
  }
  .usmm-sidebar.open { transform: translateX(0); }
  .usmm-main { padding: 16px; }
  .usmm-page-title { font-size: 1.15rem; }
}

@media (max-width: 575.98px) {
  .usmm-stat-card .stat-value { font-size: 1.35rem; }
  .usmm-main { padding: 12px; }
}

/* ── Login Required ──────────────────────────────────────────── */
.usmm-login-required {
  text-align: center;
  padding: 60px 20px;
  font-size: 1rem;
  color: var(--usmm-text);
}

/* ── Spinner ─────────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; display: inline-block; }

/* ── Smooth color transitions everywhere ─────────────────────── */
#usmm-panel, #usmm-panel * {
  transition: background-color var(--usmm-transition),
              border-color var(--usmm-transition),
              color var(--usmm-transition);
}
/* Exclude transitions on buttons/links to keep interactions snappy */
#usmm-panel .btn,
#usmm-panel .nav-link,
#usmm-panel .usmm-nav-link,
#usmm-panel .usmm-stat-card {
  transition: transform .15s ease, box-shadow .15s ease,
              background-color var(--usmm-transition),
              border-color var(--usmm-transition),
              color var(--usmm-transition);
}