/* GsmFlow — EasyGSM-inspired admin theme */
:root {
  --gf-bg: #0b0e13;
  --gf-sidebar: #080a0f;
  --gf-card: #12161d;
  --gf-card-hover: #171c25;
  --gf-border: #1e2530;
  --gf-border-light: #2a3344;
  --gf-text: #e8edf5;
  --gf-muted: #7b8798;
  --gf-green: #22c55e;
  --gf-green-dim: rgba(34, 197, 94, 0.12);
  --gf-yellow: #eab308;
  --gf-yellow-dim: rgba(234, 179, 8, 0.12);
  --gf-pink: #ec4899;
  --gf-pink-dim: rgba(236, 72, 153, 0.12);
  --gf-blue: #3b82f6;
  --gf-blue-dim: rgba(59, 130, 246, 0.12);
  --gf-radius: 12px;
  --gf-sidebar-w: 240px;
}

* { box-sizing: border-box; }

body.gf-admin {
  margin: 0;
  background: var(--gf-bg);
  color: var(--gf-text);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

.gf-layout { min-height: 100vh; overflow-x: hidden; }

.gf-sidebar {
  width: var(--gf-sidebar-w);
  background: var(--gf-sidebar);
  border-right: 1px solid var(--gf-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 40;
  transition: transform 0.2s ease;
}

.gf-sidebar-brand {
  padding: 1.25rem 1rem;
  font-weight: 700;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--gf-border);
}

.gf-sidebar-brand span { color: var(--gf-green); }

.gf-nav { flex: 1; overflow-y: auto; padding: 0.75rem 0; }

.gf-nav-section {
  padding: 0.5rem 1rem 0.35rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gf-muted);
  text-transform: uppercase;
}

.gf-nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 1rem;
  margin: 0.1rem 0.5rem;
  border-radius: 8px;
  color: var(--gf-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: background 0.15s, color 0.15s;
}

.gf-nav-link:hover { background: var(--gf-card); color: var(--gf-text); }
.gf-nav-link.active { background: var(--gf-green-dim); color: var(--gf-green); font-weight: 500; }
.gf-nav-icon { width: 18px; height: 18px; flex-shrink: 0; }

.gf-sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--gf-border);
  font-size: 0.75rem;
  color: var(--gf-muted);
}

.gf-main {
  margin-left: var(--gf-sidebar-w);
  width: calc(100% - var(--gf-sidebar-w));
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.gf-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--gf-border);
  background: rgba(11, 14, 19, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 30;
}

.gf-topbar-left { display: flex; align-items: center; gap: 1rem; }
.gf-menu-btn { display: none; background: none; border: none; color: var(--gf-text); cursor: pointer; }
.gf-page-title { font-size: 1.1rem; font-weight: 600; margin: 0; }
.gf-topbar-right { display: flex; align-items: center; gap: 0.75rem; }

.gf-balance {
  background: var(--gf-green-dim);
  color: var(--gf-green);
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.gf-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--gf-green-dim);
  color: var(--gf-green);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.gf-content { padding: 1.5rem; flex: 1; }

.gf-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 1200px) { .gf-stats { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .gf-stats { grid-template-columns: repeat(2, 1fr); } }

.gf-stat {
  background: var(--gf-card);
  border: 1px solid var(--gf-border);
  border-radius: var(--gf-radius);
  padding: 1rem 1.1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.gf-stat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.gf-stat-icon.green { background: var(--gf-green-dim); color: var(--gf-green); }
.gf-stat-icon.pink { background: var(--gf-pink-dim); color: var(--gf-pink); }
.gf-stat-icon.yellow { background: var(--gf-yellow-dim); color: var(--gf-yellow); }
.gf-stat-icon.blue { background: var(--gf-blue-dim); color: var(--gf-blue); }

.gf-stat-label { font-size: 0.75rem; color: var(--gf-muted); margin: 0; }
.gf-stat-value { font-size: 1.35rem; font-weight: 700; margin: 0.15rem 0 0; }
.gf-stat-sub { font-size: 0.7rem; color: var(--gf-muted); margin: 0.1rem 0 0; }

.gf-card {
  background: var(--gf-card);
  border: 1px solid var(--gf-border);
  border-radius: var(--gf-radius);
  padding: 1.25rem;
}

.gf-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gf-grid-2-1 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (max-width: 1024px) { .gf-grid-2-1 { grid-template-columns: 1fr; } }

.gf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--gf-border-light);
  background: transparent;
  color: var(--gf-text);
}

.gf-btn:hover { background: var(--gf-card-hover); }
.gf-btn-primary { background: var(--gf-green); border-color: var(--gf-green); color: #052e14; font-weight: 600; }
.gf-btn-warning { background: var(--gf-yellow); border-color: var(--gf-yellow); color: #422006; font-weight: 600; }
.gf-btn-stack { display: flex; flex-direction: column; gap: 0.5rem; }
.gf-btn-full { width: 100%; }

.gf-table-wrap { overflow-x: auto; }
.gf-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
.gf-table th { text-align: left; padding: 0.65rem 0.75rem; color: var(--gf-muted); border-bottom: 1px solid var(--gf-border); }
.gf-table td { padding: 0.65rem 0.75rem; border-bottom: 1px solid var(--gf-border); }
.gf-table tr:hover td { background: rgba(255,255,255,0.02); }

.gf-badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.7rem; font-weight: 500; }
.gf-badge-pending { background: var(--gf-yellow-dim); color: var(--gf-yellow); }
.gf-badge-processing { background: var(--gf-blue-dim); color: var(--gf-blue); }
.gf-badge-completed { background: var(--gf-green-dim); color: var(--gf-green); }
.gf-badge-rejected, .gf-badge-refunded { background: rgba(239,68,68,0.12); color: #f87171; }

.gf-empty { text-align: center; padding: 2.5rem 1rem; color: var(--gf-muted); font-size: 0.85rem; }
.gf-link { color: var(--gf-green); text-decoration: none; font-size: 0.8rem; }
.gf-link:hover { text-decoration: underline; }
.gf-link-danger { color: #f87171; }
.gf-link-danger:hover { text-decoration: underline; }

.gf-btn-delete {
  background: none;
  border: none;
  color: #ef4444;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}
.gf-btn-delete:hover { color: #fca5a5; text-decoration: underline; }

.gf-alert { padding: 0.75rem 1rem; border-radius: 8px; font-size: 0.85rem; margin-bottom: 1rem; }
.gf-alert-success { background: var(--gf-green-dim); border: 1px solid rgba(34,197,94,0.3); color: var(--gf-green); }
.gf-alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #f87171; }

.gf-input, .gf-select, .gf-textarea {
  width: 100%;
  background: var(--gf-bg);
  border: 1px solid var(--gf-border-light);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  color: var(--gf-text);
  font-size: 0.875rem;
}

.gf-input:focus, .gf-select:focus, .gf-textarea:focus { outline: none; border-color: var(--gf-green); }
.gf-label { display: block; font-size: 0.8rem; color: var(--gf-muted); margin-bottom: 0.35rem; }
.gf-form-group { margin-bottom: 1rem; }
.gf-logout { background: none; border: none; color: var(--gf-muted); font-size: 0.8rem; cursor: pointer; }
.gf-logout:hover { color: var(--gf-text); }

.gf-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

/* Sidebar must always be visible (no off-canvas on mobile). */
@media (max-width: 768px) {
  :root { --gf-sidebar-w: 220px; }
  .gf-main { margin-left: var(--gf-sidebar-w); width: calc(100% - var(--gf-sidebar-w)); }
  .gf-menu-btn { display: none; }
}

.gf-stats-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1200px) { .gf-stats-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .gf-stats-4 { grid-template-columns: 1fr; } }

.gf-service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (max-width: 768px) { .gf-service-grid { grid-template-columns: 1fr; } }

.gf-service-card {
  background: var(--gf-card);
  border: 1px solid var(--gf-border);
  border-radius: var(--gf-radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.gf-chart-wrap {
  position: relative;
  height: 280px;
  width: 100%;
}

.gf-api-box {
  background: var(--gf-bg);
  border: 1px solid var(--gf-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  word-break: break-all;
}

.gf-price-box {
  background: var(--gf-bg);
  border: 1px solid var(--gf-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
}

.gf-filter-tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.gf-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.gf-tab {
  padding: 0.45rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--gf-border);
  background: transparent;
  color: var(--gf-muted);
  font-size: 0.8rem;
  cursor: pointer;
}
.gf-tab:hover { background: var(--gf-card-hover); color: var(--gf-text); }
.gf-tab.active { background: var(--gf-green-dim); border-color: rgba(34,197,94,0.35); color: var(--gf-green); font-weight: 600; }
.gf-help { width: 100%; margin: 0.35rem 0 0; font-size: 0.75rem; color: var(--gf-muted); }