/* =====================================================
   Infographics Designer — Common Styles
   Brandmakers Agency Design System
   ===================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #FF4F00;
  --primary-dark: #e64500;
  --primary-light: #fff0eb;
  --secondary: #0047FF;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --bg: #F4F4F4;
  --bg-card: #FFFFFF;
  --bg-card2: #F8F8F8;
  --border: rgba(0,0,0,0.10);
  --border-strong: #050505;
  --text: #050505;
  --text-muted: #505050;
  --text-dim: #999999;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 6px rgba(0,0,0,0.04);
  --shadow-hover: 0 20px 40px rgba(0,0,0,0.08);
}

html { font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(0,0,0,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { opacity: 0.8; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: #050505; color: #fff; border-color: #050505; }
.btn-primary:hover:not(:disabled) { background: var(--primary); border-color: var(--primary); transform: translateY(-1px); }
.btn-secondary { background: #fff; color: #050505; border-color: rgba(0,0,0,0.15); }
.btn-secondary:hover:not(:disabled) { border-color: #050505; }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-ghost { background: transparent; color: var(--text-muted); border-color: transparent; }
.btn-ghost:hover { color: var(--text); }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-full { width: 100%; }
.btn-loading { opacity: 0.7; pointer-events: none; }

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.25s, border-color 0.25s;
}
.card:hover { box-shadow: var(--shadow-hover); }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.card-title { font-size: 17px; font-weight: 700; font-family: 'Unbounded', sans-serif; }

/* ---- Forms ---- */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; color: var(--text-muted); margin-bottom: 8px; font-weight: 500; }
.form-input {
  width: 100%;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-input:focus { border-color: #050505; box-shadow: 0 0 0 3px rgba(5,5,5,0.06); }
.form-input::placeholder { color: var(--text-dim); }
.form-hint { font-size: 13px; color: var(--text-muted); margin-top: 6px; }
.form-error { font-size: 13px; color: var(--danger); margin-top: 6px; }

textarea.form-input { resize: vertical; min-height: 80px; }
select.form-input { cursor: pointer; }

/* ---- Nav ---- */
.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 32px;
  height: 64px;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}
.nav-logo {
  font-size: 17px;
  font-weight: 700;
  font-family: 'Unbounded', sans-serif;
  color: var(--text);
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--primary); }
.nav-links { display: flex; gap: 4px; }
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
}
.nav-link:hover, .nav-link.active { background: #f0f0f0; color: var(--text); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-balance {
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(255,79,0,0.15);
}
.nav-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #050505;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  overflow: hidden;
}
.nav-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ---- Layout ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.page-content { padding: 40px 0; }
.page-header { margin-bottom: 32px; }
.page-title { font-size: 28px; font-weight: 700; margin-bottom: 8px; font-family: 'Unbounded', sans-serif; }
.page-subtitle { color: var(--text-muted); font-size: 16px; }

/* ---- Alerts ---- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 16px;
}
.alert-error { background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; }
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #16a34a; }
.alert-info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1d4ed8; }

/* ---- Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-pending { background: #fef3c7; color: #d97706; border: 1px solid #fde68a; }
.badge-processing { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }
.badge-completed { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }
.badge-failed { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }

/* ---- Spinner ---- */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(0,0,0,0.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Divider ---- */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dim);
  font-size: 13px;
  margin: 20px 0;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---- Tabs ---- */
.tabs { display: flex; gap: 4px; background: #f0f0f0; border-radius: var(--radius-sm); padding: 4px; margin-bottom: 24px; }
.tab-btn {
  flex: 1;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}
.tab-btn.active { background: #050505; color: #fff; }

/* ---- Summary row (transactions/profile) ---- */
.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.summary-row:last-child { border-bottom: none; }
.summary-row .label { color: var(--text-muted); }
.summary-row .value { font-weight: 600; }

/* ---- Grid ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ---- Utils ---- */
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-sm { font-size: 13px; }
.text-center { text-align: center; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.ml-8 { margin-left: 8px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.hidden { display: none !important; }

@media (max-width: 768px) {
  .nav { padding: 0 16px; }
  .nav-links { display: none; }
  .container { padding: 0 16px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .page-content { padding: 24px 0; }
}