/* ============================================
   MOBILE COMPONENTS (< 768px)
   ============================================ */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  width: 100%; /* Mobile buttons typically full width */
}

.btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
}
.btn-primary:active {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:active {
  background: var(--bg-hover);
}

.btn-danger {
  background: var(--expense-soft);
  color: var(--expense);
}

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 0.813rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 1rem; /* 16px prevents zoom on iOS */
  color: var(--text-primary);
  width: 100%;
}

.form-input:focus {
  border-color: var(--accent);
  background: var(--bg-secondary);
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-xs);
  margin-bottom: 16px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.badge-received { background: var(--accent-soft); color: var(--accent); }
.badge-paid { background: var(--income-soft); color: var(--income); }
.badge-pending { background: var(--pending-soft); color: var(--pending); }
.badge-overdue { background: var(--expense-soft); color: var(--expense); }